FCC ID: Z64-WL1835MOD WiFi and Bluetooth Module

WL18MOD Product Certification 1 WL18MOD Product Certification Introduction The TIWL1835MODGA Module is now certified for FCC, IC, CE and TELEC as well as by the Wi-Fi Alliance. TI Customers that build products based on the TIWL1835MODGA module can save, in testing cost, and time per product family. This feature can realize customers savings of over $25K per model family along with avoidance of test cycling and support resources. For more details please refer to the information below. Certifications & Compliance Certified for United States Tests reports recognized by other countries for filing Certified for Canada Accepts FCC test reports for CE Radio Approval ETSI testing is recognized by 40+ countries for filing certifications filing Certified for Japan TELEC Test reports are available FCC [1] Certification Module The TIWL1835MODGA moduleis designed to be certified for FCC as a single-modular transmitter (Approval not yet granted). The TIWL1835MODGAis designed to bea FCC certified radio module that carries a Modular grant

(Approval not yet granted). Certified radio modules complies to the Intentional Radiator portion (Part 15c) for FCC certification: Part 15.247 Transmitter tests. Part 15.247 transmitter tests consists of AC Power Conducted Emissions Radiated Emissions Band Edge Measurements 6dB bandwidth Conducted Power Power Spectral Density Meeting Antenna Requirements The customer can refer to TI'sWL1835MOD FCC certification, once available (Not Yet Approved). Modular certified radio modules are allowed for integration into multiple host end products by the FCC Useful Links:

WL18MOD Product Certification 2 WL1835MODGAFCC modular grant (Not Yet Available) App note on modular FCC certification [2]

Host End Products An end product, incorporatingWL1835MODGA module, does not require additional testing or authorization for the WiFi transmitter as long as An antenna of the same or similar type and equal or less gain to the antenna used in theWL1835MODGA COM8Board (WL1835MODCOM8A [3])is used on the product Any restrictions found in the grants are followed in the OEMs end product integrating the TI module. Host end products can use the FCC ID of the certified module as the FCC ID of the host end product A label displaying the modules FCC ID must be affixed and visible on the host end product for approval FCC IDs are required for host end products with radio transmitters Customer's Responsibilities The manufacturer of the host end products are still responsible for any additional testing covered by the Class of the product. Device Class A and B. Customers still need to take their products through other FCC/IC testing such as unintentional radiators (FCC sub part 15B) including any other required regionally driven end product certifications including but not limited to EU directives. FCC Part 15 Cert. Process/Flow Step 1 Step 2 Step 3 Step 4 Sub Part A General Provisions &

Definitions Sub Part B Unintentional Radiators Devices, whose purpose is not to produce radio waves, but which do anyway, such as computers. Sub Part C Devices designed to produce Intentional Radiators coherent radio waves, such as small transmitters Customers can reuse TI's Certifications Device Class A and B Additional testing for intended use Additional testing maybe required for Host end product type. Class A: Digital Device for use in a commercial, industrial or business environment. Class B: Digital Device for use in a residential environment not withstanding use in commercial, business and industrial environments. The FCC allows for self-declaration for Part B so the process should be relatively painless The customer can refer to the Electronic Code of Federal Regulation for Telecommunications, Part 15: Radio Frequencies Devices [4] for more details on each sub part. WL18MOD Product Certification 3 IC [5] Certification The TI WL1835MODGAmodule is designed to be certified for Industry Canada (IC) as a single-modular transmitter

(Approval not yet granted). For Industry Canada, the TI WL1835MODGAmodule is designed tomeet modular approval and labeling requirements ((Approval not yet granted). Industry Canada follows the same testing and rules as the FCC in regards to certified modules in authorized equipment. Host Product The IC ID of TIWL1835MODGA (once available)can be used on the Host End Product with a label that is visible, and displays the IC ID of theWL1835MODGA module The customer can refer to TI'sWL1835MODGA IC certification, once available (Not Yet Approved). Useful Links:

WL1835MODGA IC modular grant (Not Yet Available) App note on IC modular certification (see section 3.2 inside) [6]

ETSI [7]/CE Certification WL1835MODGAis designed toCE Certified The TIWL1835MODGA moduleis designed to havecertifications to the appropriate EU radio and EMC directives summarized in TIs Declaration of Conformity(Not Yet Available)and evidenced by the CE Mark (Not Yet Available). This certification eliminates EU RTTE based retesting efforts, resulting in savings of more than $25K per product model family including test cycling and support resource benefits. For the conformity implications of attaching the antenna to a module that already has a conformance document -

From section 1.3.1 of the Guide to the R&TTE Directive 1999/5/EC [8]

Manufacturers who place on the market products without an antenna or with an antenna that is intended to allow replacement have a responsibility to provide information on the general types and/or characteristics of antennas that may be used with their equipment in order that the overall radio equipment remains compliant. The guidance of the transmitter manufacturer has to be followed when they are installed. It is important to note that ETSI reports meet CE Radio Approval requirements of the R&TTE (Europe) directive TIWL1835MODGA module is tested with ETSI EN300-328 radio tests which can be accepted by a number of countries for radio compliance. ETSI is not a certification or regulatory body but a set of standards. Host Products If a product has minimal risk, it can be self-certified where manufacturers complete a Declaration of Conformity and affixes the CE marking to their own product. Warning: EMC testing obligations may still be required as determined by the specific end product requirements. The end product will need to be filed in each country for certification using the FCC/ETSI reports. 40+ countries recognize and accept radio test reports compliant to ETSI standards as part of the filing process. Note that some countries do not recognize modular approval. ETSI reports help with End product testing with the module integrated, thus the tests do not need to be repeated. WL18MOD Product Certification 4 TELEC [9] Certification WL1835MODGAis designed to beTELEC Certified TELEC Certification number for the TIWL1835MODGA Module will be available upon request Once certified, Customerwill not need to take additional test for Japan radio raw for WL1835MODGA, when they use the recommended antenna with WL1835MODGA. Customers can find more information about TELEC certifications at these websites Ministry of Internal Affairs and communications (Japan) [10]

Test and Certification Services for Wireless Devices under Japanese Radio Law [11]

Countries Accepting FCC/ETSI Reports TIs FCC/ETSI test reports can be used to file for certifications with 40+ other countries. The end product's manufacturer will need to file in each country for certification using the FCC/ETSI reports. Some countries do not recognize modular approval. FCC/ESTI reports help with End product testing with the module integrated and the tests do not need to be repeated. Countries in red, can file FCC/ETSI reports. Certification in these countries, can be as easy as a paperwork exercise and Fees, when accompanied with the FCC/ETSI reports during the filing process. Countries in blue are covered by CE Marking Note: Please consult with your Telecommunication Certification Body (TCB) regarding any regulatory certifications. The information are recommended guidelines only and shall not be used as a process for regulatory Host End Product, Module or any other regulatory certifications WL18MOD Product Certification 5 References

[1] http:/ / www. fcc. gov/

[2] https:/ / apps. fcc. gov/ kdb/ GetAttachment. html?id=%2BfFRmd2u009kcjrH4nqK9A%3D%3D

[3] http:/ / www. ti. com/ tool/ wl1835modcom8a

[4] http:/ / www. ecfr. gov/ cgi-bin/ text-idx?c=ecfr& SID=a9f9d244cc20be8b56099003689d6cc3& rgn=div5& view=text& node=47:1. 0. 1. 1. 16& idno=47

[5] http:/ / www. ic. gc. ca/ Intro. html

[6] http:/ / www. ic. gc. ca/ eic/ site/ smt-gst. nsf/ vwapj/ rssgen-i3. pdf/ $file/ rssgen-i3. pdf

[7] http:/ / www. etsi. org/

[8] http:/ / ec. europa. eu/ enterprise/ sectors/ rtte/ files/ guide2009-04-20_en. pdf

[9] http:/ / www. telec. or. jp/ ENG/ services/ index. html

[10] http:/ / www. tele. soumu. go. jp/ e/ index. htm

[11] http:/ / www. ul. com/ japan/ eng/ pages/ services/ emc/ certification/ japanradiolaw/

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WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI Sitara Platform User's Guide Literature Number: SWRU359A September 2013Revised October 2013 Contents 2 2.1 3 4 1.1 1.2 1.3 Preface ....................................................................................................................................... 3 Introduction ........................................................................................................................ 4 1 Features .................................................................................................................. 4 Applications .............................................................................................................. 5 TI Module Key Benefits ................................................................................................. 5 Board Pin Assignment ......................................................................................................... 6 Pin Descriptions ......................................................................................................... 7 Electrical Characteristics ..................................................................................................... 9 Antenna Characteristics ....................................................................................................... 9 VSWR ..................................................................................................................... 9 Efficiency ................................................................................................................ 10 Antenna Characteristics ..................................................................................................... 10 Radio Pattern ........................................................................................................... 10 Circuit Design ................................................................................................................... 14 Schematic ............................................................................................................... 14 Bill of Materials (BOM) ................................................................................................ 15 Layout Guidelines ............................................................................................................. 16 Board Layout ........................................................................................................... 16 4.1 4.2 6.1 6.2 5.1 7.1 5 6 7 2 Table of Contents Copyright 2013, Texas Instruments Incorporated SWRU359ASeptember 2013Revised October 2013 Submit Documentation Feedback Preface SWRU359ASeptember 2013Revised October 2013 Read This First About This Manual This user's guide describes how to use the TI WL1835MODCOM8A board to evaluate the performance of the TI WL1835MODGA module. Related Documentation From Texas Instruments TI WiLink8 Single-Band Combo Module Wi-Fi, BT, and BLE (SWRS152) WiLink 8 Wiki: http://www.ti.com/wilink8wiki If You Need Assistance The primary sources of WL1835MODGA information are the device-specific data sheets and users guides. For the most up-to-date version of the users guide and data sheets, go to http://www.ti.com/product/wl1835mod. Warning The WL1835MODCOM8A board is tested to comply with ETSI/R&TTE over temperatures from 0 to

+70C. The WL1835MODCOM8A board is FCC and IC certified. This board should not be modified to operate in other frequency bands other than what they are designed for. FCC/IC Regulatory compliance (WL1835MODCOM8A board only) FCC Part 15 Class A Compliant IC ICES-003 Class A Compliant SWRU359ASeptember 2013Revised October 2013 Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated Preface 3 User's Guide SWRU359ASeptember 2013Revised October 2013 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI Sitara Platform 1 Introduction The WL1835MODCOM8A device is a WiFi MIMO, Bluetooth, and Bluetooth Low Energy (BLE) module board with the TI WL1835MODGA module. WL1835MODGA is built-in TI WL1835 IEEE 802.11 b/g/n and Bluetooth 4.0 solutions to provide the best WiFi and Bluetooth coexistence interoperability and power-

saving technologies from TI. Figure 1. WL1835MODCOM8A Top View 1.1 100-pin board card Features WLAN, Bluetooth, BLE on a module board Dimension 76.0 mm(L) x 31.0 mm(W) WLAN 2.4 GHz SISO (20- and 40-MHz channels), 2.4-GHz MIMO (20-MHz channels) Support for BLE dual mode Seamless integration with TI Sitara and other application processors Design for TI AM335X general-purpose EVM WLAN and Bluetooth, BLE cores are software and hardware compatible with prior WL127x, WL128x and CC256x offerings, for smooth migration to device. Shared HCI transport for Bluetooth and BLE over UART and SDIO for WLAN. WiFi / Bluetooth single antenna co-existence Built-in chip antenna Optional U.FL RF connector for external 2.4-GHz band antenna Direct connection to battery using external switching mode power supply supporting 4.8-V to 2.9-V operation VIO in the 1.8-V domain 4 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI SWRU359ASeptember 2013Revised October 2013 Sitara Platform Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated www.ti.com 1.2 Applications Introduction Internet of Things Multimedia Home Electronics Home Appliances and White Goods Smart Gateway and Metering Video Conferencing Video Camera and Security Industrial and Home Automation 1.3 TI Module Key Benefits Reduces Design Overhead: Single WiLink8 Module Scales Across Wi-Fi and Bluetooth. WLAN High Throughput: 80 Mbps (TCP), 100 Mbps (UDP) Bluetooth 4.0 + BLE (Smart Ready) WiFi-Bluetooth Single Antenna Coexistence Available as Easy-to-Use FCC, ETSI, and Telec Certified Module AM335x Linux and Android Reference Platform Accelerates Customer Development and Time to Lower Manufacturing Costs, Saving Board Space and Minimizing RF Expertise Low Power (3050% Less than Previous Generation) Market SWRU359ASeptember 2013Revised October 2013 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI Sitara Platform Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated 5 Board Pin Assignment 2 Board Pin Assignment www.ti.com Figure 2. Board Top View Figure 3. Board Bottom View 6 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI SWRU359ASeptember 2013Revised October 2013 Sitara Platform Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated www.ti.com 2.1 Pin Descriptions Board Pin Assignment No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 Name SLOW_CLK GND GND WL_EN VBAT GND VBAT VIO GND N.C. WL_RS232_TX N.C. WL_RS232_RX N.C. WL_UART_DBG N.C. N.C. GND GND SDIO_CLK N.C. GND N.C. SDIO_CMD N.C. SDIO_D0 N.C. SDIO_D1 N.C. SDIO_D2 N.C. SDIO_D3 N.C. WLAN_IRQ N.C. N.C. GND N.C. N.C. N.C. N.C. GND N.C. N.C. N.C. N.C. GND Type I G G I P G P P G O I O G G I G I/O I/O I/O I/O I/O O G G G Description Slow clock input Ground Ground WLAN Enable Power supply input Ground Power supply input Power supply input for I/O pin Ground No connection WLAN tool RS232 output No connection WLAN tool RS232 input No connection WLAN Logger output No connection No connection Ground Ground WLAN SDIO clock No connection Ground No connection WLAN SDIO command No connection WLAN SDIO data bit 0 No connection WLAN SDIO data bit 1 No connection WLAN SDIO data bit 2 No connection WLAN SDIO data bit 3 No connection WLAN SDIO interrupt out No connection No connection Ground No connection No connection No connection No connection Ground No connection No connection No connection No connection Ground SWRU359ASeptember 2013Revised October 2013 Submit Documentation Feedback WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI Sitara Platform 7 Copyright 2013, Texas Instruments Incorporated Board Pin Assignment www.ti.com No. 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 Name N.C. N.C. N.C. N.C. PCM_IF_CLK N.C. PCM_IF_FSYNC N.C. PCM_IF_DIN N.C. PCM_IF_DOUT N.C. GND N.C. N.C. GND GND N.C. BT_UART_IF_TX N.C. BT_UART_IF_RX N.C. BT_UART_IF_CTS N.C. BT_UART_IF_RTS N.C. BT_FUNC1 N.C. BT_UART_DEBUG GND GPIO9 N.C. N.C. N.C. N.C. GND N.C. N.C. N.C. GND N.C. BT_EN N.C. N.C. GND BT_FUNC2 N.C. GND GPIO11 Type I/O I/O I O G G G O I I O O O G I/O G G I G I G I/O Description No connection No connection No connection No connection Bluetooth PCM clock input or output No connection Bluetooth PCM frame sync input or output No connection Bluetooth PCM data input No connection Bluetooth PCM data output No connection Ground No connection No connection Ground Ground No connection Bluetooth HCI UART transmit output No connection Bluetooth HCI UART receive input No connection Bluetooth HCI UART Clear to Send input No connection Bluetooth HCI UART Request to Send output No connection BT_HOST_WAKE_UP Signal to wake up the host from Bluetooth No connection Bluetooth Logger UART output Ground General-purpose I/O No connection No connection No connection No connection Ground No connection No connection No connection Ground No connection Bluetooth Enable No connection No connection Ground BT_WAKE_UP Bluetooth wakeup from host No connection Ground General-purpose I/O 8 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI Sitara Platform SWRU359ASeptember 2013Revised October 2013 Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated www.ti.com No. 97 98 99 100 Name GND GPIO12 N.C. GPIO10 Type G I/O I/O Description Ground General-purpose I/O General-purpose I/O General-purpose I/O Electrical Characteristics 3 4 Electrical Characteristics Refer to the detailed data in the WL1835MODGA data sheet for electrical characteristics. Antenna Characteristics 4.1 VSWR Figure 4 shows the antenna VSWR. Figure 4. Antenna VSWR SWRU359ASeptember 2013Revised October 2013 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI Sitara Platform Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated 9 Antenna Characteristics 4.2 Efficiency Figure 5 shows the antenna efficiency. www.ti.com Figure 5. Antenna Efficiency 5 Antenna Characteristics 5.1 Radio Pattern Figure 6 shows the radio pattern of the WL1835MODCOM8A device. Figure 6. 10 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI SWRU359ASeptember 2013Revised October 2013 Sitara Platform Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated www.ti.com 5.1.1 ANT1 Figure 7 shows the ANT1 polarization of the WL1835MODCOM8A device. Antenna Characteristics Figure 7. Figure 8. SWRU359ASeptember 2013Revised October 2013 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI Sitara Platform Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated 11 Antenna Characteristics www.ti.com Figure 9. 5.1.2 ANT2 Figure 10 shows the ANT2 polarization of the WL1835MODCOM8A device. Figure 10. 12 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI SWRU359ASeptember 2013Revised October 2013 Sitara Platform Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated www.ti.com Antenna Characteristics Figure 11. Figure 12. SWRU359ASeptember 2013Revised October 2013 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI Sitara Platform Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated 13 Circuit Design 6 Circuit Design 6.1 Schematic www.ti.com 14 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI Sitara Platform SWRU359ASeptember 2013Revised October 2013 Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated Figure 13. Schematic U1WL1835MODGAE-13.4X13.3-N100_0.75-TOPWL_BGANT2WL_BG/BTANT1Short PIN Header (1-2)for entering test mode.Open for function mode.These two TPs for test modewhen WL_IRQ pull high.EDGE CONNECTOR - MALEJ5U.FL-R-SMT(10)U.FL123SDIO_CMD_WLR280R0402J2NU_100pinMicroEdgeMEC6SD-100P123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100R300R0402SDIO_CLK_WLANT2ANT016008LCD2442MA1ANT-N3-1.6X0.8MM-B5GB2FEEDA2.4GB1R100R0402ANT1ANT016008LCD2442MA1ANT-N3-1.6X0.8MM-A5GB2FEEDA2.4GB1WLAN_EN_SOCC12NU0402L104021.1nHC8NU_10pF0402R5NU_0R0402J6U.FL-R-SMT(10)U.FL123L21.5nH0402GPIO93GPIO125GPIO112GPIO104GND17VIO38VBAT47EXT_32K36BT_AUD_FSYNC58BT_AUD_IN56BT_AUD_OUT57BT_AUD_CLK60WL_SDIO_D212WL_SDIO_CLK8WL_SDIO_D313WL_SDIO_D010WL_SDIO_D111WL_SDIO_CMD6BT_HCI_RTS50BT_HCI_RX53BT_HCI_TX52BT_HCI_CTS51GND16GPIO_425GPIO_226GPIO_127BT_EN_SOC41WLAN_IRQ14WLAN_EN_SOC40BT_UART_DBG43WL_UART_DBG42GNDG13GNDG14GNDG15GNDG16GNDG9GNDG10GND48GNDG11GNDG12VBAT46GND28GNDG1GNDG2GNDG3GNDG4GNDG5GNDG6GNDG7GNDG82G4_ANT1_WB32GND64GND1GND20RESERVED121RESERVED222GND37GND19RESERVED362GNDG17GNDG18GNDG19GNDG20GNDG21GNDG22GNDG23GNDG24GNDG25GNDG26GNDG27GNDG28GNDG29GNDG30GNDG31GNDG32GNDG33GNDG34GNDG35GND23GND59GND34GND29GND72G4_ANT2_W18GND49GND9GND31GND35GND15GND55GND45GND44GND30GND24GND63GND61GND39GND33GND54GNDG36C510pF0402C610pF0402C111.2pF0402C144pF0402C10NU_0.3pF0402C92pF0402VBAT_INVIO_INBT_FUNC1C40.1uF0402C30.1uF0402R40R0402J3HEADER 1x2H-1X2_2MM12SLOW_CLKTP21TP81R60R0402TP11OSC11V8/32.768kHzOSC-3.2X2.5EN1VCC4OUT3GND2R30R0402J1HEADER 1x2H-1X2_2MM12VBAT_INVIO_INVIO_INWL_UART_DBGC11uF0402BT_UART_DBGBT_EN_SOCWLAN_EN_SOCR310R0402R320R0402R20R0402GPIO10C210uF0603R10R0402R290R04020RR240402R270R04020RR220402R230R0402J4HEADER 1x2H-1X2_2MM120RR260402R2010k0402R250R0402SDIO_D3_WLGPIO12SDIO_D2_WLGPIO11SDIO_D0_WLSDIO_D1_WLGPIO9WLAN_IRQGPIO10VIO_IN0RR210402BT_FUNC2GPIO92G4_ANT2_WR170R0402TP51R120R0402WL_RS232_TXTP41WL_RS232_RX2G4_ANT1_WBBT_FUNC1BT_FUNC2R130R0402TP310RR1904022G4_ANT2_WWLAN_IRQGPIO11BT_AUD_CLKBT_AUD_FSYNCBT_AUD_INWL_RS232_TXWL_RS232_RXBT_HCI_TXBT_HCI_RXBT_HCI_CTSBT_HCI_RTSBT_EN_SOCBT_UART_DBGSDIO_CLK_WLSDIO_CMD_WLSDIO_D0_WLSDIO_D2_WLSDIO_D3_WLSDIO_D1_WLC138pF0402GPIO12R140R0402R150R0402R180R0402R160R0402TP61R110R0402BT_HCI_RXR90R0402BT_HCI_TXBT_HCI_CTSBT_HCI_RTSBT_AUD_INBT_AUD_OUTBT_AUD_CLKBT_AUD_FSYNCR80R0402R70R04022G4_ANT1_WBBT_AUD_OUTSLOW_CLKC7NU_10pF0402WL_UART_DBG www.ti.com 6.2 Bill of Materials (BOM) Table 1 lists the bill of materials. Circuit Design Table 1. BOM TI WL1835 WiFi/Bluetooth Module XOSC 3225 / 32.768 kHz / 1.8 V / 50 ppm WL1835MODGA 7XZ3200005 ANT / Chip / 2.4 GHz, 5 GHz / Peak Gain >5 dBi ANT016008LCD2442MA1 CON Male 1x2 / Pitch DC JUMPER / PITCH 2.0 mm Mini RF Header Receptacle IND 0402 / 1.1 nH / 0.05 nH / SMD IND 0402 / 1.5 nH / 0.05 nH / SMD CAP 0402 / 1.2 pF / 50 V / C0G / 0.1 pF CAP 0402 / 2.2 pF / 50 V / C0G / 0.1 pF CAP 0402 / 4 pF / 50 V / C0G / 0.1 pF CAP 0402 / 8 pF / 50 V / C0G / 0.1 pF CAP 0402 / 10 pF / 50 V / NPO / 5%

CAP 0402 / 0.1 F / 6.3 V / X7R / 10%

P301-SGP-040/028-02 CMJ-20BB U.FL-R-SMT-1(10) LQP15MN1N1W02 LQP15MN1N5W02 GJM1555C1H1R2BB01 GJM1555C1H2R2BB01 GJM1555C1H4R0BB01 GJM1555C1H8R0BB01 0402N100J500LT 0402B104K100CT CAP 0402 / 1 F / 6.3 V / X5R / 10% / HF GRM155R60J105KE19D CAP 0603 / 10 F / 6.3 V / X5R / 20%

C1608X5R0J106M RES 0402 / 0R / 5%

WR04X000 PTL U1 OSC1 ANT1, ANT2 J1, J3, J4 J1, J3 J5, J6 L1 L2 C11 C9 C14 C13 C7, C8 C3, C4 C1 C2 R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31, R32 RES 0402 / 10K / 5%

WR04X103 JTL R20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 SWRU359ASeptember 2013Revised October 2013 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI Sitara Platform Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated 15 Layout Guidelines 7 Layout Guidelines 7.1 Board Layout www.ti.com Figure 14 shows the WL1835MODCOM8A 4-layer board. Table 2, Figure 15, Figure 16, Figure 17, Figure 18, and Figure 19 show instances of good layout practices. Figure 14. Layer 1 Figure 15. Layer 2 16 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI SWRU359ASeptember 2013Revised October 2013 Sitara Platform Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated www.ti.com Layout Guidelines Figure 16. Layer 3 Figure 17. Layer 4 Table 2. Module Layout Guidelines Guideline Description The proximity of ground vias must be close to the pad. Signal traces must not be run underneath the module on the layer where the module is mounted. Have a complete ground pour in layer 2 for thermal dissipation. Have a solid ground plane and ground vias under the module for stable system and thermal dissipation. Increase the ground pour in the first layer and have all of the traces from the first layer on the inner layers, if possible. Signal traces can be run on a third layer under the solid ground layer, which is below the module mounting layer. Reference 1 2 3 4 5 6 SWRU359ASeptember 2013Revised October 2013 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI Sitara Platform Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated 17 Layout Guidelines www.ti.com Figure 18. Module Layout Guidelines (Top Layer) Figure 19. Module Layout Guidelines (Bottom Layer) Figure 20 shows the trace design for the PCB. A 50- impedance match on the trace to the antenna should be used. Also, 50- traces are recommended for the PCB layout. 18 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI SWRU359ASeptember 2013Revised October 2013 Sitara Platform Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated www.ti.com Layout Guidelines Figure 20. Trace Design for the PCB Layout Figure 21 shows layer 1 with the trace to the antenna over ground layer 2. Figure 21. Layer 1 Combined With Layer 2 Table 3, Figure 22, and Figure 23 describe instances of good layout practices for the antenna and RF trace routing. Table 3. Antenna and RF Trace Routing Layout Guidelines Reference Guideline Description 1 2 3 4 5 6 7 The RF trace antenna feed must be as short as possible beyond the ground reference. At this point, the trace starts to radiate. The RF trace bends must be gradual with an approximate maximum bend of 45 degrees with trace mitered. RF traces must not have sharp corners. RF traces must have via stitching on the ground plane beside the RF trace on both sides RF traces must have constant impedance (microstrip transmission line). For best results, the RF trace ground layer must be the ground layer immediately below the RF trace. The ground layer must be solid. There must be no traces or ground under the antenna section. RF traces must be as short as possible. The antenna, RF traces, and modules must be on the edge of the PCB product. The proximity of the antenna to the enclosure and the enclosure material must also be considered. SWRU359ASeptember 2013Revised October 2013 Submit Documentation Feedback WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI Sitara Platform 19 Copyright 2013, Texas Instruments Incorporated Layout Guidelines www.ti.com Figure 22. Top Layer Antenna and RF Trace Routing Layout Guidelines Figure 23. Bottom Layer Antenna and RF Trace Routing Layout Guidelines 20 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI SWRU359ASeptember 2013Revised October 2013 Sitara Platform Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated www.ti.com Layout Guidelines Figure 24 describes the MIMO antenna spacing. The distance of ANT1 and ANT2 must be greater than half of wavelength (62.5 mm @ 2.4 GHz). Figure 24. MIMO Antenna Spacing The supply routing guidelines are as follows:

For power supply routing, the power trace for VBAT must be at least 40 mil wide. The 1.8-V trace must be at least 18 mil wide. Make VBAT traces as wide as possible to ensure reduced inductance and trace resistance. The digital signals routing guidelines are as follows:

SDIO signals traces (CLK, CMD, D0, D1, D2, and D3) should be routed in parallel to each other and If possible, shield VBAT traces with ground above, below, and beside the traces. as short as possible (less than 12 cm). In addition, every trace length must be the same as the others. There should be enough space between traces greater than 1.5 times the trace width or ground to ensure signal quality, especially for the SDIO_CLK trace. Remember to keep them away from the other digital or analog signal traces. TI recommends adding ground shielding around these buses. SDIO Clock, PCM clock These digital clock signals are a source of noise. Keep the traces of these signals as short as possible. Whenever possible, maintain a clearance around them. SWRU359ASeptember 2013Revised October 2013 WL1835MODCOM8A WLAN MIMO and BT Module Evaluation Board for TI Sitara Platform Submit Documentation Feedback Copyright 2013, Texas Instruments Incorporated 21 Revision History This user's guide revision history highlights the technical changes made to the SWRU359 device-specific user's guide. www.ti.com Revision SWRS359A Revision History Date October 2013 Description / Changes Changed all references of the device name from WL1835MODCOM8 to WL1835MODCOM8A. NOTE: Page numbers for previous revisions may differ from page numbers in the current version. 22 Revision History Copyright 2013, Texas Instruments Incorporated SWRU359ASeptember 2013Revised October 2013 Submit Documentation Feedback

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The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all claims arising from the handling or use of the goods. Should this evaluation board/kit not meet the specifications indicated in the Users Guide, the board/ kit may be returned within 30 days from the date of delivery for a full refund. THE FOREGOING LIMITED WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES. Texas Instruments (TI) provides the enclosed Evaluation Board/Kit/Module (EVM) under the following conditions:

The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all claims arising from the handling or use of the goods. Should this evaluation board/kit not meet the specifications indicated in the Users Guide, the board/kit may be returned within 30 days from the date of delivery for a full refund. THE FOREGOING LIMITED WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES. Please read the Users Guide and, specifically, the Warnings and Restrictions notice in the Users Guide prior to handling the product. This notice contains important safety information about temperatures and voltages. For additional information on TIs environmental and/or safety programs, please visit www.ti.com/esh or contact TI. No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, or combination in which such TI products or services might be or are used. TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not exclusive. TI assumes no liability for applications assistance, customer product design, software performance, or infringement of patents or services described herein. No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, or combination in which such TI products or services might be or are used. TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not exclusive. TI assumes no liability for applications assistance, customer product design, software performance, or infringement of patents or services described herein. Please read the Users Guide and, specifically, the Warnings and Restrictions notice in the Users Guide prior to handling the product. This notice contains important safety information about temperatures and voltages. For additional information on TIs environmental and/or safety programs, please contact the TI application engineer or visit www.ti.com/esh or contact TI. As noted in the EVM Users Guide and/or EVM itself, this EVM and/or accompanying hardware may or may not be subject to the Federal Communications Commission (FCC) and Industry Canada (IC) rules. As noted in the EVM Users Guide and/or EVM itself, this EVM and/or accompanying hardware may or may not be subject to the Federal Communications Commission (FCC) and Industry Canada (IC) rules. REGULATORY COMPLIANCE INFORMATION REGULATORY COMPLIANCE INFORMATION For EVMs not subject to the above rules, this evaluation board/kit/module is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing For EVMs not subject to the above rules, this evaluation board/kit/module is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES-003 rules, which are designed to provide reasonable protection against radio frequency interference. Operation of the equipment may cause interference with radio communications, in which case the user at his own expense will be required to take whatever measures may be required to correct this interference. devices pursuant to part 15 of FCC or ICES-003 rules, which are designed to provide reasonable protection against radio frequency interference. Operation of the equipment may cause interference with radio communications, in which case the user at his own expense will be required to take whatever measures may be required to correct this interference. General Statement for EVMs including a radio User Power/Frequency Use Obligations: This radio is intended for development/professional use only in legally allocated frequency and power limits. Any use of radio frequencies and/or power availability of this EVM and its development application(s) must comply with local laws governing radio spectrum allocation and power limits for this evaluation module. It is the users sole responsibility to only operate this radio in legally acceptable frequency space and within legally mandated power limitations. Any exceptions to this is strictly prohibited and unauthorized by Texas Instruments unless user has obtained appropriate experimental/development licenses from local regulatory authorities, which is responsibility of user including its acceptable authorization. General Statement for EVMs including a radio User Power/Frequency Use Obligations: This radio is intended for development/professional use only in legally allocated frequency and power limits. Any use of radio frequencies and/or power availability of this EVM and its development application(s) must comply with local laws governing radio spectrum allocation and power limits for this evaluation module. It is the users sole responsibility to only operate this radio in legally acceptable frequency space and within legally mandated power limitations. Any exceptions to this are strictly prohibited and unauthorized by Texas Instruments unless user has obtained appropriate experimental/development licenses from local regulatory authorities, which is responsibility of user including its acceptable authorization. For EVMs annotated as FCC FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant For EVMs annotated as FCC FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant Caution This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Caution This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. REGULATORY COMPLIANCE INFORMATION (continued) REGULATORY COMPLIANCE INFORMATION (continued) FCC Interference Statement for Class A EVM devices This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equip-

ment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. FCC Interference Statement for Class A EVM devices This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commer-

cial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. FCC Interference Statement for Class B EVM devices This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

FCC Interference Statement for Class B EVM devices This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. For EVMs annotated as IC INDUSTRY CANADA Compliant This Class A or B digital apparatus complies with Canadian ICES-003. Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. For EVMs annotated as IC INDUSTRY CANADA Compliant This Class A or B digital apparatus complies with Canadian ICES-003. Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. Concerning EVMs including radio transmitters This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Concerning EVMs including radio transmitters This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Concerning EVMs including detachable antennas Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication. Concerning EVMs including detachable antennas Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication. This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permis-

sible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device. This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device. Cet appareil numrique de la classe A ou B est conforme la norme NMB-003 du Canada. Cet appareil numrique de la classe A ou B est conforme la norme NMB-003 du Canada. Les changements ou les modifications pas expressment approuvs par la partie responsable de la conformit ont pu vider lautorit de lutilisateur pour actionner lquipement. Les changements ou les modifications pas expressment approuvs par la partie responsable de la conformit ont pu vider lautorit de lutilisateur pour actionner lquipement. Concernant les EVMs avec appareils radio Le prsent appareil est conforme aux CNR dIndustrie Canada applicables aux appareils radio exempts de licence. Lexploitation est autorise aux deux conditions suivantes : (1) lappareil ne doit pas produire de brouillage, et (2) lutilisateur de lappareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible den compromettre le fonctionnement. Concernant les EVMs avec appareils radio Le prsent appareil est conforme aux CNR dIndustrie Canada applicables aux appareils radio exempts de licence. Lexploitation est autorise aux deux conditions suivantes : (1) lappareil ne doit pas produire de brouillage, et (2) lutilisateur de lappareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible den compromettre le fonctionnement REGULATORY COMPLIANCE INFORMATION (continued) REGULATORY COMPLIANCE INFORMATION (continued) Concernant les EVMs avec antennes dtachables Conformment la rglementation dIndustrie Canada, le prsent metteur radio peut fonctionner avec une antenne dun type et dun gain maximal

(ou infrieur) approuv pour lmetteur par Industrie Canada. Dans le but de rduire les risques de brouillage radiolectrique lintention des autres utilisateurs, il faut choisir le type dantenne et son gain de sorte que la puissance isotrope rayonne quivalente (p.i.r.e.) ne dpasse pas lintensit ncessaire ltablissement dune communication satisfaisante. Concernant les EVMs avec antennes dtachables Conformment la rglementation dIndustrie Canada, le prsent metteur radio peut fonctionner avec une antenne dun type et dun gain maximal (ou infrieur) approuv pour lmetteur par Industrie Canada. Dans le but de rduire les risques de brouillage radiolec-

trique lintention des autres utilisateurs, il faut choisir le type dantenne et son gain de sorte que la puissance isotrope rayonne quivalente (p.i.r.e.) ne dpasse pas lintensit ncessaire ltablissement dune communication satisfaisante. Le prsent metteur radio a t approuv par Industrie Canada pour fonctionner avec les types dantenne numrs dans le manuel dusage et ayant un gain admissible maximal et limpdance requise pour chaque type dantenne. Les types dantenne non inclus dans cette liste, ou dont le gain est suprieur au gain maximal indiqu, sont strictement interdits pour lexploitation de lmetteur. Le prsent metteur radio a t approuv par Industrie Canada pour fonctionner avec les types dantenne numrs dans le manuel dusage et ayant un gain admissible maximal et limpdance requise pour chaque type dantenne. Les types dantenne non inclus dans cette liste, ou dont le gain est suprieur au gain maximal indiqu, sont strictement interdits pour lexploitation de lmetteur.

[Important Notice for Users of EVMs for RF Products in Japan]

[Important Notice for Users of this Product in Japan]

This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan!

If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with respect to this product:

(1) Use this product in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministrys Rule for Enforcement of Radio Law of Japan, This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with respect to this product:

1. Use this product in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and Com-

(2) Use this product only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to munications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministrys Rule for Enforcement of Radio Law of Japan,

(3) Use of this product only after you obtained the Technical Regulations Conformity Certification as provided in Radio Law of 2. Use this product only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product, or this product, or Japan with respect to this product. 3. Use of this product only after you obtained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect to this product. Also, please do not transfer this product, unless you give the same notice above to the transferee. Please note that if you could not follow the instructions above, you will be subject to penalties of Radio Law of Japan. Also, please do not transfer this product, unless you give the same notice above to the transferee. Please note that if you could not follow the instructions above, you will be subject to penalties of Radio Law of Japan.

(address) 24-1, Nishi-Shinjuku 6 chome, Shinjukku-ku, Tokyo, Japan

(address) 24-1, Nishi-Shinjuku 6 chome, Shinjuku-ku, Tokyo, Japan Texas Instruments Japan Limited Texas Instruments Japan Limited http://www.tij.co.jp 61118328173 http://www.tij.co.jp

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