SIM700-EVB User Guide

SIM700-EVB User Guide

1 SIM700-EVB

1.1 General Description

SIMCom supplies the SIM700 kit to assist the designer, during the developing project phase, to develop your applications based on SIM700.

The SIM700 kit provides a fully functional solution for a complete data/phone application. We assume you have to provide are:

1) A personal computer;

2) A SIM card with a valid network subscription;

3) Knowledge of AT commands programming;

4) A power supply.

1.2 Block Digaram

The SIM700-EVB can be split into several functional blocks depending on the implemented function; the following drawings show a block diagram and the displacement of the main blocks on the kit.

X204

UART

X206

ADC&CTRL

X205

SD&SPI

X207

POWER,LCD& SIM

X101

RS232

AUXLIARY

X 103

X102

RS232

MAIN

S403

+3.3V

UART

U401

LDO

Full

UART

Fuction

X201

SIM700

USB

AUDIO1

AUDIO2

SIM card holder

X401

DC 5-7V

Vin

SIM700-EVB_UGD_V1.04

U 402

LDO

+4.2V

S401 VCHG

S402 VBAT

PWRKEY

S201

S202

EMERGE_OFF

S203

X302

EARPHONE

X303

RJ11

J1

USB

Figure 1: EVB block diagram

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SIM700-EVB User Guide

As you see, you can use this development kit for audio or some data applications. There are following features in our kit:

· Quad-band GSM/GPRS/EDGE (850, 900, 1800, 1900 MHz)

· Class 4 (2W at 850/900MHz)

· Class 1 (1W at 1800/1900 MHz)

· Small size and low power consumption

· Voice, SMS

· Fax and data transmission

· Internal 3V/1.8V SIM interface

· USB interface

· Easy remote control by AT commands for dedicated applications

1.3 Electrical & Mechanical feature

· Power supply: 5-7 V DC +/- 5% 2A

· Length: 131 mm

· Width: 85 mm

· Height: 25 mm

· Weight: 68.8g (without any interface)

· Operating temperature range: -20°C to + 60°C

· Storage temperature: -40°C to +85°C

The following figure shows the interface placement of the EVB:

SIM700-EVB_UGD_V1.04

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