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Development Kit Manual

SIM900B-EVB_UGD_V1.01

Summary of content (20 pages)

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Development Kit Manual SIM900B-EVB_UGD_V1.
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SIM900B EVB User Guide Document Title: SIM900B EVB User Guide Version: 1.01 Date: 2010-04-14 Status: Release Document Control ID: SIM900B-EVB_UGD_V1.01 General Notes Simcom offers this information as a service to its customers, to support application and engineering efforts that use the products designed by Simcom. The information provided is based upon requirements specifically provided to Simcom by the customers.
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SIM900B EVB User Guide Contents Contents ............................................................................................................................................3 1. SIM900B EVB..............................................................................................................................5 2. EVB accessory ..............................................................................................................................7 3. Accessory Interface ..................
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SIM900B EVB User Guide SCOPE This document give the usage of SIM900B EVB, user can get useful info about the SIM900B EVB quickly through this document. This document is subject to change without notice at any time. SIM900B-EVB_UGD_V1.01 4 14.04.
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SIM900B EVB User Guide 1. SIM900B EVB Figure 1： EVB TOP view SIM900B-EVB_UGD_V1.01 5 14.04.
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SIM900B EVB User Guide Figure 2： EVB BOTTOM view A: B: C: D: E: F: G: H: I: J: K: L: M: N: O: SIM900B module interface SIM card interface headset interface Download switch, turn on or off download function VBAT switch, switch the voltage source from the adaptor or external battery PWRKEY key, turn on or turn off SIM900B buzzer expand port, such as keypad port, main and debug serial port, display port MAIN serial port for downloading, AT command transmiting, data exchanging DEBUG serial port hole for fixin
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SIM900B EVB User Guide 2. EVB accessory Figure 3： EVB accessory A: 5V DC source adapter B: headset C: antenna D: antenna transmit cable E: serial port cable SIM900B-EVB_UGD_V1.01 7 14.04.
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SIM900B EVB User Guide 3. Accessory Interface 3.1 Power Interface Figure 4： Power Interface Pin 1 Signal Adapter input SIM900B-EVB_UGD_V1.01 I/O Description I 5V/2.5A DC source input 8 14.04.
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SIM900B EVB User Guide 3.2 Audio Interface Figure 5： Audio Interface Headset interface: Pin Signal I/O Description 1 MIC1P I Positive microphone input 2 SPK1P O Positive speak output 3 SPK1N O Negative speak output 4 MIC1N I Negative microphone input Earphone interface: Pin Signal 5 MIC2P&SPK2P SIM900B-EVB_UGD_V1.01 Input/Output I/O Description Auxiliary positive input and output 9 14.04.
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SIM900B EVB User Guide 3.3 SIM card interface Figure 6： SIM card interface SIM900B-EVB_UGD_V1.01 10 14.04.
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SIM900B EVB User Guide 3.4 Antenna Interface Figure 7： Antenna Interface SIM900B-EVB_UGD_V1.01 11 14.04.
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SIM900B EVB User Guide 3.
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SIM900B EVB User Guide 3.6 Operating Status LED Figure 9： StatusLED Working state of status LED as list: State Module function Off Module is not running 64ms On/ 800ms Off Module does not find the network 64ms On/ 3000ms Off Module find the network 64ms On/ 300ms Off GPRS communication 4. Test Interface Figure 10： Test interface overview SIM900B-EVB_UGD_V1.01 13 14.04.
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SIM900B EVB User Guide 4.1 Serial Interface J1---RS232 Interface Figure 11： J1 Interface RS232 Interface Pin List: Pin Signal I/O Description 1 TXD O Transmit data 2 RXD I Receive data 3 DCD O Data carrier detection 4 RI O Ring Indicator 5 CTS O Clear to Send 6 GND 7 DTR I Data Terminal Ready 8 DBG_RXD I Receive data 9 RTS I Request to Send 10 DBG_TXD O Transmit data SIM900B-EVB_UGD_V1.01 GND 14 14.04.
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SIM900B EVB User Guide 4.2 J2---KEY & CTRL Figure 12： J2 Interface KEY & CTRL Pin List Pin Signal I/O 1 KBC0 O 2 KBR0 I 3 KBC1 O 4 KBR1 I 5 KBC2 O 6 KBR2 I 7 KBC3 O 8 KBR3 I 9 KBC4 O 10 KBR4 I 11 NC 12 PWRKEY 13 GND 14 VBAT SIM900B-EVB_UGD_V1.01 I Description Keypad array interface power on key GND I VBAT 15 14.04.
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SIM900B EVB User Guide 4.3 J3---LCD & I/O Figure 13： J3 Interface LCD & I/O Interface Pin List: Pin Signal I/O Description 1 DISP_DATA I/O Display data line 2 DISP_D/C O Display data or address select 3 DISP_CLK O Display clock output 4 DISP_RST O Display reset outplay 5 DISP_CS O Display enable output 6 ADC0 I Adc input 7 GPIO0 I/O GPIO5 reserved for user 8 BUZZER I/O Buzzer reserved for user 9 SIM_PRESENCE I SIM Card Detection 10 NC SIM900B-EVB_UGD_V1.
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SIM900B EVB User Guide 5. EVB and accessory equipment At normal circumstance, the EVB and its accessory are equipped as the Figure 14 Figure 14： EVB and accessory equipment SIM900B-EVB_UGD_V1.01 17 14.04.
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SIM900B EVB User Guide 6. Illustration: 6.1 Running: (1) Connect the SIM900B module to the 60pins connector on SIM900B EVB, inserting 5V direct current source adapter, switching the S1 switch on off state, S2 switch on ON state; (2) Press the PWRKEY for about 1 second, and then SIM900B module begins running. You can see the light on the EVB flashing at a certain frequency. By the state, you can judge whether the EVB and SIM900B can run or not.
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SIM900B EVB User Guide Notes: the SIM900B EVB is almost the same with the SIM300 EVB.The difference between the two EVBs are as following: 1.Board to board connector:on SIM900B EVB,the connector is SUNCAGEY’s BB530-06001-20R; on SIM300 EVB, the connector is ENTERY Company’s 1008-G60N-01R or JXT’s 210-106001-001 2. R411:on SIM900B EVB,R411 is 15k ohm; on SIM300 EVB,R411 is 0 ohm. SIM900B-EVB_UGD_V1.01 19 14.04.
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SIM900B EVB User Guide Contact us: Shanghai SIMCom Wireless Solutions Ltd. Add: SIM Technology Building，No.633，Jinzhong Road，Changning District， Shanghai P.R. China 200335 Tel: +86 21 3235 3300 Fax: +86 21 3235 3301 URL: www.sim.com/wm SIM900B-EVB_UGD_V1.01 20 14.04.