SimCom SIM800L User Manual

Smart Machine Smart Decision
SIM800L(MT6261)_Hardware Design_V1.01 3 2016-07-07
Contents
Table Index ................................................................................................................... 6
Figure Index ................................................................................................................. 8
Version History .......................................................................................................... 10
1. Introduction ........................................................................................................ 11
2. SIM800L Overview ............................................................................................ 11
2.1. SIM800L ............................................................................................................................. 11
2.2. SIM800L Key Features ....................................................................................................... 11
2.3. Operating Mode .................................................................................................................. 13
2.4. Functional Diagram............................................................................................................. 14
3. Package Information ......................................................................................... 15
3.1. Pin Out Diagram ................................................................................................................. 15
3.2. Pin Description .................................................................................................................... 15
3.3. Package Dimensions ........................................................................................................... 18
4. 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 SIM800L ............................................................................................................................. 22
4.2.2. Power down SIM800L ........................................................................................................................ 23
4.2.3. Reset Function ..................................................................................................................................... 24
4.3. Power Saving Mode ............................................................................................................ 25
4.3.1. Minimum Functionality Mode ............................................................................................................ 26
4.3.2. Sleep Mode 1 (AT+CSCLK=1) .......................................................................................................... 26
4.3.3. W
ake Up SIM800L from Sleep Mode 1 ............................................................................................. 26
4.3.4. Sleep Mode 2 (AT+CSCLK=2) .......................................................................................................... 26
4.3.5. Wake Up 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 ........................................................................................................................ 28
4.5.2 Serial Interfaces ................................................................................................................................... 29
4.5.3 Debug Interface ................................................................................................................................... 31
4.5.4 Software Upgrade ................................................................................................................................ 32
4.6. RI Behaviors ....................................................................................................................... 32
4.7. Audio Interfaces .................................................................................................................. 33
SIMCOM CONFIDENTIAL FILE

SimCom SIM800L Specifications

General

Brand	SimCom
Model	SIM800L
Category	Recording Equipment
Language	English