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 #41 background imageLoading...
Page #41 background image
SIM900 Hardware Design
Pin Name Signal Description
C1
SIM_VDD SIM Card Power supply, it can identify automatically the SIM Card power
modeone is 3.0V±10%, another is 1.8V±10%. Current is about 10mA.
C2
SIM_RST SIM Card Reset.
C3
SIM_CLK SIM Card Clock.
C5
GND Connect to GND.
C6
VPP Not connect.
C7
SIM_DATA SIM Card data I/O.
For 8 pins SIM card holder, we recommend to use Molex 91228.You can visit http://www.molex.com for more
information about the holder.
Figure 30: Molex 91228 SIM card holder
Table
14: Pin description (Molex SIM card holder)
Pin Name Signal Description
C1
SIM_VDD SIM Card Power supply, it can identify automatically the SIM Card power
modeone is 3.0V±10%, another is 1.8V±10%. Current is about 10mA.
C2
SIM_RST SIM Card Reset
SIM900_HD_V1.05 06.23.2010
41

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