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3.5 J104 connector (SIM)
J104 is a standard 1V8 or 3V SIM socket. The Table bellow gives the description of the signals of
this connector.
Pin number
Signal name
I/O
I/O type
Description
Comment
1
SIM_VCC
O
1V8 or 3V
SIM card
Power Supply
2
SIM_RST
O
1V8 or 3V
SIM card
Reset
3
SIM_CLK
O
1V8 or 3V
SIM card
Clock
4 SIM_PRES
I CMOS
1V8 max.(*)
SIM Card
presence detect
Multiplexed with GPIO3
and RTS2
5 GND
Ground
6 VPP
Not
connected
7 SIM_DATA
I/O
CMOS/1V8-3V
SIM
card
Data
8
CC8
1V8 digital supply
(V-CORE)
SIM_PRES
signal supply
(*) For either 1V8 or 3V SIM cards.
3.6 J200 connector (external power supply)
2
1
J200 is the external power supply connector. It is a 2-pin male connector. The Table bellow gives
the description of its signals.
Pin number
Signal name
I/O
I/O type
Description
1 VBATT
I Supply External
supply
4.2 VDC max.
2 GND
I
Supply
Ground
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