TM ISL37300XU-EVAL PRELIMINARY Data Sheet September 2001 File Number FNXXXX PRISM 2.5 11Mbps Wireless Local Area Network USB Card The Intersil ISL37300XU WLAN USB-
card is a complete wireless high speed Network Interface Card (NIC) utilizing the Intersil PRISM 2.5 Direct Sequence Spread Spectrum Wireless Transceiver chip set. It provides a complete PRISM 2.5 reference design evaluation platform of hardware and software to system providers or integrators requiring wireless data communications capability and ideal for integration into computer platforms. is The Evaluation kit (ISL37300XU-EVAL) includes two WLAN USB-cards designed to Intersils Prism reference design, Microsoft Windows Driver, Local Area Network evaluation software, Prism Test Utilities (PTU) (note 1) software and documentation to complete the evaluation. It supports the IEEE 802.11b network specification for Direct Sequence Spread spectrum DSSS signaling, providing data rates of 1, 2, 5.5, and 11 Mbps. Evaluation kit software updates are available on the Intersil Web Site. In addition to the evaluation kit, a complete PRISM chipset WLAN reference design package (ISL37300XU-CD) is available. It contains all the documentation needed for manufacturing of the Prism 2.5 USB wireless network card including: Cadence/Allegro Layout, Gerber files, Concept schematic, Bill of Materials, assembly and mechanical drawings, test plan, and even a copy of the application for FCC equipment authorization. Customers who license the reference design also receive password access to FCC Intersils Premier Web site for up to the minute updates on hardware and software. Packaging tle jec ho w
() ato CI ar e e O es C W ar Features
Certified Under Part 15 to Operate in 2.4GHz ISM Band
(Approval Pending)
Support for 11, 5.5, 2 and 1 Megabit Per Second (Mbps) Data Rates
Supports the lEEE 802.11 Direct Sequence Specification
Driver Supports Microsoft Windows 95, 98, 98SE, 2000, NT and ME
Supports Dual Diversity Antennas
Advanced RAKE Receiver Design with Decision Feedback Equalizer combats multipath fading
Provides Wireless Data Communications at Full Ethernet Speed
Designed to Fully Support USB specification 1.1 Defined Mechanical and Environmental Stress Conditions
Intelligent Power Control, Including IEEE 802.11 Power Save Mode
Complete Reference Design, the ISL37300XU CD is available to ensure Minimum Time-to-Market NOTES:
1. At present, PTU supports Windows 95, 98 and 98SE. An upgrade is in process which will add support for NT. 2. The range will vary in different operating environments due to effects such as building construction Ordering Information PART NUMBER ISL37300XU-EVAL DESCRIPTION WLAN Evaluation Kit CARDS/SET 2 1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil and Design is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2001, All Rights Reserved FNXXXX Access Points will be available from a number of suppliers, enabling a totally wireless network solution. Typical operating ranges are shown in Table 1.. TABLE 1. TYPICAL OPERATING RANGE (NOTE 2 ) DATA RATE
(Mbps) 11 5.5 2 1 INDOOR RANGE 120 feet (37 meters) 200 feet (61 meters) 240 feet (73 meters) 300 feet (91 meters) OUTDOOR RANGE 500 feet (152 meters) 800 feet (243 meters) 1300 feet (396 meters) 1750 feet (533 meters) Functional Overview The WLAN USB-Card is designed to operate in the 2.4GHz ISM frequency band, channels 1 to 11, as specified by the FCC in the USA. The card will also operate on channels 12 through 14, where permitted by local regulatory authorities. Radio equipment must be certified in a country prior to use. Refer to Table 4 for a list of countries and agencies that have approved the ISL37300XU-EVAL for operation. The Intersil PRISM Chip Set allows for high level integration for reduced size, increased throughput, improved radio performance and faster time to market. The WLAN USB-card implements Direct Sequence Spread Spectrum DSSS technology providing superior noise and signal jamming immunity including less severe impact from unintentional radiators such as microwave ovens. The user can connect the USB-card in an ad-hoc peer to peer networking scheme, allowing for instant network setup in any office environment. By using an access point, the wireless LAN can be set up to allow for a greater number of users to interconnect, and to increase the coverage area. With a portal (i.e. Access Point), the wireless LAN can be easily connected into an existing wired LAN, allowing for easy expansion of the service. Compared to the PRISM II chip set, the PRISM 2.5 generation offers:
Low loss front end designed for maximum range
Higher level of chip integration and less peripheral components to reduce material costs
Support of optional IEEE 802.11 Short Preamble for significantly increased data throughput A complete Reference Design for the ISL37300XU is available to ensure minimum time-to-market. This information contains details for manufacturing a USB-card WLAN assembly, including Gerber PC board files, a Bill of Material with component sourcing, mechanical drawings, a detailed Radio Description with debug directions and a test plan. The ISL3873 Media Access Controller (MAC) Protocol Handler The ISL3873 MAC/Baseband Processor and its firmware are responsible for running the IEEE 802.11 protocol in the WLAN card. This section describes the features of IEEE 802.11 that are implemented. The functions supported by the STA (station) Firmware are:
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance) with Random Backoff
WEP Security
Short/Long Preamble with multirate
RTS/CTS Handshake (Ready To Send/Clear To Send) and NAV Management (Network Allocation Vector)
MAC Level Acknowledgments (Media Access Control)
Re-Transmission of Unacknowledged Frames
Duplicate Detection and Rejection
Broadcast and Multicast Frames
Fragmentation and Re-Assembly
Power Management (Planned)
Timestamp Synchronization
DCF (Distributed Coordination Function)
Beacon Generation in an Ad-Hoc Network
Probe Response Generation in an Ad-Hoc Network Card Information Structure The standard Intersil WLAN USB-card will be supplied with information embedded in the PDA for use in enumeration. Table 2 shows the Plug Record and the default information. Customization of the enumeration values can be performed by modifying the PDA plug records and reflashing the PDA, Primary, and Secondary. Please refer to the Prism Driver Programmers Manual for more information. Plug Record Contents 401 407 TABLE 2. Usage Default Vendor/Product ID XXXX XXXX Bus/Self Powered Bus Powered
(value XXXX) 2 FNXXX IEEE 802.11 International Agreement and Frequency Assignments The IEEE 802 LAN committee has forged an international agreement providing for wireless data communication standards for the frequency range of 2.4GHz to 2.4835GHz, as allocated by the FCC in the USA, and in the 2.471GHz to 2.497GHz frequency range, as specified by the regulatory authority in Japan. These standards are designed to focus the industry to develop highly integrated, low cost, interoperable WLAN equipment, of which the ISL37300XU-EVAL is a prime example. In the U.S., there are 11 channels specified by the FCC in the 2.412GHz to 2.462GHz range. In Japan, one channel at 2.484GHz is authorized. The ETSl (European) regulatory body conforms to the USA (FCC) channel assignments with the exception that channels 12 and 13 are also allowed. Some countries in Europe, notably France and Spain have unique channel restrictions. Although information contained in Table 3 is deemed to be accurate, local regulatory authorities should be consulted before using such equipment. The ISL37300XU is shipped with FCC-compliant firmware. In order to ensure regulatory-compliant channel usage in a particular country, special geographic-specific firmware is available for customer production assemblies which restricts channel usage. Examples include ETSI-compliant firmware, etc. Since the end user does not have the ability to alter this firmware, regulatory compliance is ensured The available channels of operation in the 2.4GHz to 2.4835GHz and 2.471GHz to 2.497GHz ranges are as follows:
3 TABLE 3. IEEE 802.11 CHANNELS CHANNEL NUMBER CHANNEL FREQUENCY GEOGRAPHIC USAGE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 2412MHz 2417MHz 2422MHz 2427MHz 2432MHz 2437MHz 2442MHz 2447MHz 2452MHz US, CA, ETSI, MKK US, CA, ETSI, MKK US, CA, ETSI, MKK US, CA, ETSI, MKK US, CA, ETSI, MKK US, CA, ETSI, MKK US, CA, ETSI, MKK US, CA, ETSI, MKK US, CA, ETSI, MKK 2457MHz US, CA, ETSI, MKK, FR, SP 2462MHz US, CA, ETSI, MKK, FR, SP 2467MHz 2472MHz 2484MHz ETSI, FR, MKK ETSI, FR, MKK MKK KEY:
US = United States, CA = Canada, ETSI = European countries
(except France and Spain), FR = France, SP = Spain, MKK = Japan
. Agency and Regulatory Body Approvals The WLAN USB-card will comply to the standards shown in Table 4:
TABLE 4. COMPLIANCE STANDARDS COUNTRY APPROVAL NOTES USA FCC part 15, Sec. 15.247, Sec. 15.107 and 15.109 Canada ICAN RSS-210 Europe EN 60950 EN 301 489-1 V1.2.1 (2000-08) EN 301 489-17 V1.1.1 (2000-09) EN 300 328 Part 1 V1.2.2 (2000-07) EN 300 328 Part 2 V1.1.1 (2000-07) Approval pending for Intentional Radiators &
Computer Peripheral Designed for compliance Designed for compliance Japan ARIB STD-T66 ARIB STD-33 Designed for compliance FNXXXX References For Intersil documents available on the internet, see web site http://www.intersil.com or Intersil AnswerFAX (321) 724-7800.
[1] TB337 Tech Brief, Intersil Corporation, A Brief Tutorial on Spread Spectrum and Packet Radio, AnswerFAX document No. 82337.
[2] TB382 Tech Brief, Intersil Corporation, Measurement of WLAN Receiver Sensitivity
[3] AN9850 Application Note, Intersil Corporation, Complementary Code Keying Made Simple
[4] TB395, Tech Brief, Intersil Corporation, RF Probing of the ISL37300P and the ISL37300XU
[5] AN9829 Application Note, Intersil Corporation, Brief Tutorial on IEEE 802.11 Wireless LANs
[6] AN9820 Application Note, Intersil Corporation, A Condensed Review of Spread Spectrum Techniques for ISM Band Systems Further information can be found in the following:
Intersil PRISM 2.5 data sheets, web home page, http://www.intersil.com/design/prism/ser-p25-11mbps.asp IEEE 802.11 Standards Project (available from the IEEE, New York, USA). FCC Information to user This product does not contain any user serviceable components and is to be used with approved antennas only. Any product changes or modifications will invalidate all applicable regulatory certifications and approvals. FCC Electronic Emission Notices 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 2. This device must accept any interference received, including interference that may cause undesired operation. FCC Radio Frequency Interference statement 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 when the equipment is operated in a commercial environment. 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. Operation of this equipment in a residential area may cause harmful interference in which case the user will be required to correct the interference at his own expense. 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. 4
FNXXXX Absolute Maximum Ratings Supply Voltage . -0.3V to 5.5V (Max) Storage Temperature (Note 3). -20oC to 85oC Operating Conditions Temperature Range . 0oC TA 70oC Supply Voltage Range. 4.5V to 5.5V Caution: These are the absolute maximum ratings for the USB-card product. Exceeding these limits could cause permanent damage to the card. NOTE:
3. All temperature references refer to ambient conditions. 1 Electrical Specifications Test Conditions: Supply Voltage (VCC) = 5.0V, Ambient Temperature (TA) = 25oC, Unless Otherwise Specified PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS CURRENT CONSUMPTION Initialization Current Average Current
(2% TX; 8% RX; 90% Power Save) Continuous Transmit Mode Continuous Receive Mode Current in IEEE 802.11 Power Save Mode USB LOGIC LEVELS Differential 1 Differential 0 RF SYSTEM SPECIFICATIONS Transmitter Power Output EIRP Receive Sensitivity ICC ICC ICC ICC ICC Pout EIRP RX_S Receiving Valid Packets Required at target connector input
(D+) - (D-) > 200mV and D+ > Vih
(D-) - (D+) > 200mV and D- > Vih Using Murata probe
(MXGS83RK3000) at J1 and series blocking capacitor
@ -30 dB 1st Side Lobes 1Mbps, 8% PER 2Mbps, 8% PER 5.5Mbps, 8% PER 11Mbps, 8% PER Multipath Delay Spread using Naftali Model
(TDelay) 2Mbps, 8% PER 5.5Mbps, 8% PER 11Mbps, 8% PER Multipath Receive Sensitivity using JTC models (note 5) RX_SJTC 1Mbps, 8% PER, Office C Delay spread = 450ns 2Mbps, 8% PER, Commercial B Delay spread = 150ns 5.5Mbps, 8% PER, Commercial B Delay spread = 150ns 11Mbps, 8% PER, Commercial B Delay spread = 150ns Maximum Receive Level RX_MAX PER <8% (11 Mbps) 5
346 237 TBD 3.3 3.3 16 18.7
-93
-90
-89
-85 TBD TBD TBD TBD TBD TBD TBD
>10 mA mA mA mA mA V V dBm dBm dBm dBm dBm dBm nSec nSec nSec dBm dBm dBm dBm dBm FNXXX Electrical Specifications Test Conditions: Supply Voltage (VCC) = 5.0V, Ambient Temperature (TA) = 25oC, Unless Otherwise Specified (Continued) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS Third Order Intercept Point (Input) IIP3_HG High gain mode Carrier Suppression Image Rejection IF Rejection Adjacent Channel Rejection Data Rate (Physical Layer) IIP3_LG Low gain mode TX_sup Test Mode
-51 PER <8%
PER <8%
PER <8%, 11Mbps signal w/ 11 Mbps jammer 25 MHz offset (Note 4) 46 IR IFR ACR Rate
-10 TBD
-41 45
>84 47 1, 2, 5.5 and 11
-35 49 dBm dBm dB dB dB dB Mbps 4. The adjacent channel measurement is carried out on two channels separated by 25MHz (5 channels). 5. The jammer signal is a continuos DSSS 11 Mbps waveform with -40dBc first sidelobes All Intersil products are manufactured, assembled and tested utilizing ISO9000 quality systems. Intersil Corporations quality certifications can be viewed at website www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see web site www.intersil.com Sales Office Headquarters NORTH AMERICA Intersil Corporation 2401 Palm Bay Rd. Palm Bay, FL 32905 TEL: (321) 724-7000 FAX: (321) 724-7240 6 EUROPE Intersil SA Mercure Center 100, Rue de la Fusee 1130 Brussels, Belgium TEL: (32) 2.724.2111 FAX: (32) 2.724.22.05 ASIA Intersil Ltd. 8F-2, 96, Sec. 1, Chien-kuo North, Taipei, Taiwan 104 Republic of China TEL: 886-2-2515-8508 FAX: 886-2-2515-8369 Addendum 1 to ISL37300XU-eval datasheet CAUTION:
To comply with FCC RF exposure compliance requirements, a separation distance of at least 20 cm must be maintained between the antenna of this device and all persons.