EasyManuals Logo

SimCom SIM900 Hardware Design

SimCom SIM900
59 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #26 background imageLoading...
Page #26 background image
SIM900 Hardware Design
PWRKEY_OUT
PWRKEY
MODULE
SIM900
Figure 10: Turn on SIM900 using button
The power on scenarios illustrates as following figure.
Figure 11: Timing of turn on system using PWRKEY and PWRKEY_OUT
3.4.2 Turn Off SIM900
Following ways can be used to turn off the SIM900:
z Normal power down procedure: Turn off SIM900 using the PWRKEY pin
z Normal power down procedure: Turn off SIM900 using AT command
z Over-voltage or under-voltage automatic shutdown: Take effect if over-voltage or under-voltage is detected
z Over-temperature or under-temperature automatic shutdown: Take effect if over-temperature or
under-temperature is detected
SIM900_HD_V1.05 06.23.2010
26

Table of Contents

Other manuals for SimCom SIM900

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the SimCom SIM900 and is the answer not in the manual?

SimCom SIM900 Specifications

General IconGeneral
BrandSimCom
ModelSIM900
CategoryModem
LanguageEnglish