Chapter 3 – Electrical Characteristics
Multi-Tech Systems, Inc. MMCModem GPRS Developer’s Guide (S000445D)
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SIM Socket Pin Description
Signal
Pin #
Description
Vcc 1 SIMVCC
RST 2 SIMRST
CLK 3 SIMCLK
CC4
4
R10 to Ground
GND 5 Ground
VPP 6 not
connected
I/O 7
SIMDATA
CC8 8 SIMPRES1
GND
SIMVCC
IK
1
SIMRST
SIMCLK
SIMDATA
SIMPRES1 8
7
3
2
VCC
RST
CLK
CC4
GND
VPP
I/O
CC8
SIM Socket Drawing