ADS0902 LM2471-EM Datasheet REVISION HISTORY Version Date Description VER.1.0 2014.10.10
First version release. www.radiopulse.co.kr ADS0902 LM2471-EM Datasheet INTRODUCTION 1. The LM2471-EM is a module applied by the MG2471-F48, System-on-Chip (SOC) of RadioPulse. It is designed for IEEE802.15.4 and RF4CE to realize low power and low cost application. Basically it is used on ISM band of 2.405~2.48GHz, and it supports multiple data-rate modes(31.25Kbps ~ 1Mbps) applied with channel coding beside IEEE802.15.4 data-rate. 2. DEFINITIONS MG2471-F48: 2.4GHz System-on-Chip developed by RadioPulse. LM2471-EM: 2.4GHz Evaluation module(2-Layer) applied to ZigBee, IEEE802.15.4, and RF4CE. www.radiopulse.co.kr ADS0902 LM2471-EM Datasheet 3. APPLICATIONS
2.4 GHz IEEE 802.15.4 Applications
RF4CE Remote Control Systems
Lighting Systems
Voice Applications
Home/Building Automation
Industrial Control and Monitoring
Energy Management
Low Power Wireless Sensor Networks
Consumer Electronics
Health-care equipments
Toys 4. FEATURES RF Transceiver
Single-chip 2.4GHz RF Transceiver
Low Power Consumption
High Sensitivity of 98dBm at 250kbps
No External T/R Switch or Filter needed
On-chip VCO, LNA, and PA
Programmable Output Power up to +9dBm
Direct Sequence Spread Spectrum
O-QPSK Modulation
Scalable Data Rate including 250Kbps specified in IEEE802.15.4: 31.25Kbps ~ 1Mbps
RSSI Measurement
Compliant to IEEE802.15.4 Hardwired MAC
Two 256-byte circular FIFOs
FIFO management
AES Encryption/Decryption Engine(128 bit)
CRC-16 Computation and Check www.radiopulse.co.kr ADS0902 LM2471-EM Datasheet 8051-Compatible MCU
8051 Compatible (single cycle execution)
64KB Embedded Flash Memory
6KB Data Memory
128-byte CPU dedicated Memory
1KB Boot ROM
Dual DPTR Support
I2S/PCM Interface with two 256-byte FIFOs
Two High-Speed UARTs with Two 16-byte FIFOs(up to 1Mbps)
Four Timer/Counters
5 PWM channels
Watchdog Timer
Sleep Timer using the 32KHz RC-OSC clock
Quadrature Signal Decoder
22 General Purpose I/Os for MG2471-F48B
Internal 32KHz RC oscillator for Sleep Timer
16 MHz High Speed RC oscillator for the fast start-up from reset & power-down mode
On-chip Power-on-Reset and Brown-out detector
4-channel 12-bit ADC( ENOB > 10-bit)
SPI Master/Slave Interface with two 16-byte FIFOs
Programmable IR(Infra-Red) Modulator
ISP (In System Programming)
External clock output function(500KHz, 1/2/4/8/16/32 MHz selectable) Clock Inputs
32MHz Crystal for System Clock Power
1.8V(Core)/2.0~3.6V(I/O) Operation
Power Management Scheme with Deep Sleep Mode
Separate On-chip Regulators for Analog and Digital Circuitry.
Power Supply Range for Internal Regulator(2.0V(Min) ~ 3.6V(Max)) Package
Lead-Free 48-pin QFN Package (7mm x 7mm) www.radiopulse.co.kr ADS0902 LM2471-EM Datasheet HARDWARE DESCRIPTION 5. LM2471-EM is a ZigBee module using MG2471-F48. The components of LM2471-EM are as follows;
- MG2471-F48
: RadioPulse ZigBee System-on-Chip (SOC)
- Crystal
: 32MHz Crystal (CL=9pF)
-
RF Connector
: SMA Type RF Connector
- CON(20PIN)
: 20-Pin Connector*2 with 1.27mm pin pitch In addition, this module needs only few components such as resistors and capacitors. 5.1. Block Diagram As shown in [Figure 1], LM2471-EM includes the following features.
- MG2471: ZigBee Single chip embedded with 2.4GHz RF transceiver, base-band modem, a hardwired MAC, 64KB internal flash memory, 8051 microcontroller, 6KB data RAM, voice codec block, I2C, and 5-channel PWM.
- SMA type Antenna.
- 22 General Purpose I/Os, 4-channel 10-bit ADC, various peripherals such as Two High-Speed UARTs etc.
- Firmware downloading by UART1 in ISP mode (In-System-Programming) mode. Figure 1. LM2471 EM Block Diagram www.radiopulse.co.kr ADS0902 LM2471-EM Datasheet Figure 2. Appearance of LM2471-EM www.radiopulse.co.kr ADS0902 LM2471-EM Datasheet 5.2. Module Dimension The following [Figure 3] shows the dimension of the LM2471-EM module. (a), (c) in [Figure 3]
shows the component placement. (b) in [Figure 3] shows the dimension of LM2471-EM and placement for the connector pin. Two 20-pin connectors are located at the bottom.
(a) Top (b) Dimension
(C) Bottom Figure 3. LM2471-EM www.radiopulse.co.kr ADS0902 LM2471-EM Datasheet 5.3. Antenna Matching Circuitry
[Figure 4] shows the recommended RF matching circuit. For PCB pattern, please refer to the
[Figure 5]. Figure 4. Antenna Matching Circuit www.radiopulse.co.kr ADS0902 LM2471-EM Datasheet RF Matching Procedure
. The value of L2/C2/L4/C4 is adjusted to 2.4GHz. L4 and C4 are fixed value to organize Narrow Band-Filter. Adjust L1 and C5 value to maximize output level. Adjust L4 and C4 to minimize 2nd and 3rd harmonic.
*PCB Thickness: 1mm /0.5 OZ(2- Layer) Figure 5. Antenna PCB Pattern Table 1. PCB Thickness 50ohm Line Width H(mm) W(mm) 0.4 0.8 1.0 1.2 1.6 0.5 0.7 0.8 0.8 0.9 www.radiopulse.co.kr Z0(Ohm) 49.487 50.514 49.798 50.821 50.192 ADS0902 LM2471-EM Datasheet 6. SPECIFICATION 6.1. Absolute maximum ratings Symbol Parameter Rating Unit AVDD3V1,AVDD3V2,DVDD3V1
,DVDD3V2 ADCOUPL1,ADCOUPL2,ADCO UPL3,AVDD18V,DVDD,DXOSC 18V
-0.3 to 3.6
-0.3 to 2 V V Input RF level 10 dBm 3V_IN Core RFIN TSTG Max 3.6 0.4 0.4 85 Unit V V V V V Storage Temperature
-40 to 85 6.2. DC Characteristics Symbol Parameter Min Typ. 3V_IN AVDD3V1,AVDD3V2,DVDD3V1
,DVDD3V2 VIH VIL VOH VOL TA High level input voltage Low level input voltage High level output voltage Low level output voltage Air temperature 2 2.5 2.5
-40 3.0 www.radiopulse.co.kr ADS0902 LM2471-EM Datasheet
, 3V_IN=3.0V, Freq=2.45GHz, Chip rate =2MCPS Spec Remark 2400 ~ 2480MHz
<20ppm 2MHz 9dBm (1dB) Min. 7dBm
<2.0 : 1
<1.5 dB
<-50dBm
<-50dBm
<-50dBm
<-42dBm
<-45dBm
<-45dBm
>30dBc
<-59dBm
-80dBc / Hz
-103dBc / Hz
-111dBc / Hz
-113dBc / Hz
<-96dBm 0 dBm
<10%
Limit of secondary radiated emissions. Per 1% condition 6.3. RF Characteristics (25 6.3.1. Electrical specifications
) Condition: EVM Board, at 25 Item Frequency Range Frequency Tolerance Occupied B.W Output Power (Normal) VSWR Flatness Spurious Emissions 1GHz Under 1GHz ~ 2.4GHz
~ 12GHz 2nd Harmonic 3rd Harmonic Inband Spurious Adjacent Channel 3.5MHz Rejection Secondary Radiated Emission Phase Noise 100KHz 1MHz 2MHz 3MHz Rx Sensitivity Max. Input Power Level Error Vector Magnitude www.radiopulse.co.kr ADS0902 LM2471-EM Datasheet 7. PIN DESCRIPTION The following [Table 2] and [Table 3] describe the interface signals to be used to communicate with external devices. Pin Name Type Description Table 2. Left Pin Header(JP1) pins 1 ACH0 2 ACH1 3 ACH2 4 ACH3 5 VCC 6 VCC 7 RESETB 8 ISP 9 P1_6 10 P1_7 11 P1_3 ANALOG IN
(0~VCC) Level Analog ADC0 Input ANALOG IN
(0~VCC) Level Analog ADC1 Input ANALOG IN ANALOG IN
(0~VCC) Level Analog ADC2 Input
(0~VCC) Level Analog ADC3 Input 3.0V 3.0V INPUT INPUT IN/OUT IN/OUT IN/OUT POWER(3.0V) POWER(3.0V) Active Low RESETB Input Active High In-System-Programming Input General Purpose IO (Port P1.6 / I2C_SCL) General Purpose IO (Port P1.7 / I2C_SDA) General Purpose IO Port P1.3/QUADZA/PTC_GATE3/IR_TX/CLK_OUT 12 P1_4 IN/OUT General Purpose IO 13 P1_0 / RXD1 IN/OUT General Purpose IO ( 8051 Port P1.0) Port P1.4/QUADZB/EXT_RTC_CLK/PTC_GATE4 14 P1_1 / TXD1 IN/OUT General Purpose IO ( 8051 Port P1.1) UART1 RXD1 15 P3_6 16 P3_7 17 P3_4 IN/OUT IN/OUT IN/OUT UART1 TXD1 General Purpose IO (Port P3.6/RTS1/SPICLK) General Purpose IO (Port P3.7/CTS1/SPICSN) General Purpose IO Port P3.4/RTS0/QUADYA/SPIDI/T0 18 P3_5 IN/OUT General Purpose Port P3.5/CTS0/QUADYB/SPIDO/T1 19 GND 20 GND Ground Ground Ground Ground
*** Digital I/O : 16mA drive capability www.radiopulse.co.kr ADS0902 LM2471-EM Datasheet Table 3. Right Pin Header(JP2) pins Pin Name Type Description 1 P0_1 IN/OUT General Purpose IO Port P0.1/I2SRX_LRCLK/PWM1 2 P0_0 IN/OUT General Purpose IO Port P0.0/I2SRX_DI/PWM0 3 P0_2 IN/OUT General Purpose IO 4 GND 5 P0_3 6 NC 7 P0_4 8 NC 9 P0_5 10 NC 11 P0_6 12 NC 13 P0_7 Ground IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT Port P0.2/I2SRX_BCLK/PWM2 Ground General Purpose IO Port P0.3/I2SRX_MCLK/PWM3 General Purpose IO Port P0.4/I2STX_DO/PWM4 General Purpose IO Port P0.5/I2STX_LRCLK/PTC_GATE0 General Purpose IO Port P0.6/I2STX_BCLK/PTC_GATE1 General Purpose IO Port P0.7/I2STX_MCLK/PTC_GATE2 14 NC 15 P3_0 / RXD0 IN/OUT General Purpose IO ( 8051 Port P3.0) UART0 RXD0 16 NC 17 P3_1 / TXD0 IN/OUT General Purpose IO ( 8051 Port P3.1) 18 GND 19 P3_2 / INT0#
Ground IN/OUT UART0 TXD0 Ground General Purpose IO ( 8051 Port P3.2) External Active Low Interrupt Input 20 P3_3 / INT1#
IN/OUT General Purpose IO ( 8051 Port P3.3) External Active Low Interrupt Input
*** Digital I/O : 16mA drive capability www.radiopulse.co.kr ADS0902 LM2471-EM Datasheet 20-Pin Female Connector www.radiopulse.co.kr ADS0902 LM2471-EM Datasheet 8. CONNECTOR DIMENSION 20-Pin male Connector V1.0 Page:16/19 www.radiopulse.co.kr ADS0902 LM2471-EM Datasheet FCC compliance Information FCC Information to User 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 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. Caution Modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. FCC Compliance Information : 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 This device is intended only for OEM integrators under the following conditions:
1) The transmitter module may not be co-located with any other transmitter or antenna, 2) OEM shall not supply any tool or info to the end-user regarding to Regulatory Domain change. As long as 2 conditions above are met, further transmitter test will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed (for example, digital device emissions, PC peripheral requirements, etc.). IMPORTANT NOTE: In the event that these conditions can not be met (for example certain www.radiopulse.co.kr ADS0902 LM2471-EM Datasheet laptop configurations or co-location with another transmitter), then the FCC authorization is no longer considered valid and the FCC ID can not be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization. End Product Labeling To satisfy FCC exterior labeling requirements, the following text must be placed on the exterior of the end product : Contains Transmitter Module FCC ID : UNTLM2471-EM Manual Information To the End User The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module in the users manual of the end product which integrates this module. The end user manual shall include all required regulatory information/warning as show in this manual. www.radiopulse.co.kr