Specifications

Integra M2106+
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WA_DEV_M2106+_PTS_003-001 April, 2007
SIM socket pin description
Signal Pin number Description
VCC 1 SIMVCC
RST 2 SIMRST
CLK 3 SIMCLK
CC4 4 Resistor connected to GROUND
GND 5 GROUND
VPP 6 Not connected
I/O 7 SIMDATA
CC8 8 SIMPRES1
SIMVCC 1
SIMRST 2
SIMCL
K
3
SIMDATA 7
SIMPRES1 8
1 K
VCC
RST
CL
K
CC4
GND
VPP
I / O
CC8
GND
Figure 17: Schematic for external SIM card holder
When the external SIM card is used, the internal SIM card must be removed.
When no SIM card detection is required on the application, SIMPRES1 must be tied to VCC.
When SIM card detection is required on the application:
• A low-to-high transition means that the SIM card is inserted
• A high-to-low transition means that the SIM card is removed