SIM800L datasheet(3/73 Pages) SIMCOM

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Smart Machine Smart Decision

SIM800H&SIM800L_Hardware Design_V2.02

2015-07-27

Contents

Table Index................................................................................................................... 6

Figure Index ................................................................................................................. 8

Version History.......................................................................................................... 10

Introduction........................................................................................................ 11

SIM800H&SIM800L Overview........................................................................ 11

2.1.

SIM800H&SIM800L.......................................................................................................... 11

2.2.

SIM800H&SIM800L Key Features.................................................................................... 11

2.3.

Operating Mode ..................................................................................................................13

2.4.

Functional Diagram.............................................................................................................14

Package Information ......................................................................................... 15

3.1.

Pin Out Diagram .................................................................................................................15

3.2.

Pin Description....................................................................................................................16

3.3.

Package Dimensions ...........................................................................................................18

Application Interface......................................................................................... 20

4.1.

Power Supply ......................................................................................................................20

4.1.1.

Power Supply Pin................................................................................................................................ 21

4.1.2.

Monitoring Power Supply ................................................................................................................... 22

4.2.

Power on/off Scenarios .......................................................................................................22

4.2.1.

Power on SIM800H&SIM800L .......................................................................................................... 22

4.2.2.

Power down SIM800H&SIM800L ..................................................................................................... 23

4.2.3.

Reset Function..................................................................................................................................... 25

4.3.

Power Saving Mode............................................................................................................26

4.3.1.

Minimum Functionality Mode ............................................................................................................ 26

4.3.2.

Sleep Mode 1 (AT+CSCLK=1) .......................................................................................................... 27

4.3.3.

Wake Up SIM800H&SIM800L from Sleep Mode 1 .......................................................................... 27

4.3.4.

Sleep Mode 2 (AT+CSCLK=2) .......................................................................................................... 27

4.3.5.

Wake Up SIM800H&SIM800L from Sleep Mode 2 .......................................................................... 27

4.4.

RTC Backup........................................................................................................................27

4.5.

Serial Port and USB Interface.............................................................................................28

4.5.1

Function of Serial Port ........................................................................................................................ 29

4.5.2

Serial Interfaces................................................................................................................................... 30

4.5.3

Debug Interface................................................................................................................................... 32

4.5.4

Software Upgrade................................................................................................................................ 33

4.6.

RI Behaviors .......................................................................................................................34

4.7.

Audio Interfaces..................................................................................................................35

SIM800L 数据表(PDF) 3 Page - SIMCom

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