SimCom SIM900B EVB Development Kit Manual
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Also See for SIM900B EVB:
- Hardware design (49 pages) ,
- Application note (35 pages) ,
- User manual (21 pages)
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Summary of Contents for SimCom SIM900B EVB
- Page 1 Development Kit Manual SIM900B-EVB_UGD_V1.01...
- Page 2 Document Control ID: 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. Simcom has not undertaken any independent search for additional relevant information, including any information that may be in the customer’s possession.
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Page 3: Table Of Contents
SIM900B EVB User Guide Contents Contents ............................3 1. SIM900B EVB..........................5 2. EVB accessory ..........................7 3. Accessory Interface ........................8 3.1 Power Interface ........................8 3.2 Audio Interface........................9 3.3 SIM card interface......................10 3.4 Antenna Interface ......................11 3.5 RS232 Interface.........................12 3.6 Operating Status LED .......................13 4. - Page 4 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 14.04.2010...
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Page 5: Sim900B Evb
SIM900B EVB User Guide 1. SIM900B EVB Figure 1： EVB TOP view SIM900B-EVB_UGD_V1.01 14.04.2010... - Page 6 SIM900B EVB User Guide Figure 2： EVB BOTTOM view A: SIM900B module interface B: SIM card interface C: headset interface D: Download switch, turn on or off download function E: VBAT switch, switch the voltage source from the adaptor or external battery...
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Page 7: Evb Accessory
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 14.04.2010... -
Page 8: Accessory Interface
SIM900B EVB User Guide 3. Accessory Interface 3.1 Power Interface Figure 4： Power Interface Signal Description Adapter input 5V/2.5A DC source input SIM900B-EVB_UGD_V1.01 14.04.2010... -
Page 9: Audio Interface
SIM900B EVB User Guide 3.2 Audio Interface Figure 5： Audio Interface Headset interface: Signal Description MIC1P Positive microphone input SPK1P Positive speak output SPK1N Negative speak output MIC1N Negative microphone input Earphone interface: Signal Input/Output Description MIC2P&SPK2P Auxiliary positive input and output SIM900B-EVB_UGD_V1.01... -
Page 10: Sim Card Interface
SIM900B EVB User Guide 3.3 SIM card interface Figure 6： SIM card interface SIM900B-EVB_UGD_V1.01 14.04.2010... -
Page 11: Antenna Interface
SIM900B EVB User Guide 3.4 Antenna Interface Figure 7： Antenna Interface SIM900B-EVB_UGD_V1.01 14.04.2010... -
Page 12: Rs232 Interface
SIM900B EVB User Guide 3.5 RS232 Interface Figure 8： Serial Port and Debug Port Serial Port——MAIN Interface Debug Port——DEBUG Interface Main Interface: Signal Description Data carrier detection Transmit data Receive data Data Terminal Ready Request to Send Clear to Send... -
Page 13: Operating Status Led
SIM900B EVB User Guide 3.6 Operating Status LED Figure 9： StatusLED Working state of status LED as list: State Module function Module is not running Module does not find the network 64ms On/ 800ms Off Module find the network 64ms On/ 3000ms Off... -
Page 14: Serial Interface
SIM900B EVB User Guide 4.1 Serial Interface J1---RS232 Interface Figure 11： J1 Interface RS232 Interface Pin List: Signal Description Transmit data Receive data Data carrier detection Ring Indicator Clear to Send Data Terminal Ready Receive data DBG_RXD Request to Send... -
Page 15: J2---Key & Ctrl
SIM900B EVB User Guide 4.2 J2---KEY & CTRL Figure 12： J2 Interface KEY & CTRL Pin List Signal Description KBC0 KBR0 KBC1 KBR1 KBC2 Keypad array interface KBR2 KBC3 KBR3 KBC4 KBR4 power on key PWRKEY VBAT VBAT SIM900B-EVB_UGD_V1.01 14.04.2010... -
Page 16: J3---Lcd & I/O
SIM900B EVB User Guide 4.3 J3---LCD & I/O Figure 13： J3 Interface LCD & I/O Interface Pin List: Signal Description Display data line DISP_DATA Display data or address select DISP_D/C Display clock output DISP_CLK Display reset outplay DISP_RST Display enable output... -
Page 17: Evb And Accessory Equipment
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 14.04.2010... -
Page 18: Illustration
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. - Page 19 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...
- Page 20 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 14.04.2010...
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