Q2686 Wavecom, Q2686 Datasheet - Page 39

• Manufacturer Part Number: Q2686
• Description: Wireless CPU
• Manufacturer: Wavecom

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3.8 SIM Interface
The Subscriber Identification Module (SIM) may be directly connected to the
Q2686 Wireless CPU
3.8.1 General Description
The five signals are:
The SIM interface controls a 3V/1V8 SIM. This interface is fully compliant with
the GSM 11.11 recommendations concerning SIM functions.
*SIM-IO pull-up is about 10K ohm
See Chapter 3.3 “Electrical information for digital I/O” for Open drain, 2V8 and 1V8 voltage
characteristics and Reset state definition.
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without
prior written agreement.
WM_PRJ_Q2686_PTS_001-007
~SIM-RST
SIMPRES
SIM-VCC
SIM-CLK
SIM-IO
Signal
•
•
•
•
•
SIM-VCC: SIM power supply
~SIM-RST: reset
SIM-CLK: clock
SIM-IO: I/O port
SIMPRES: SIM card detect
number
Pin
14
13
11
12
confidential ©
9
®
via this dedicated interface.
I/O
I/O
SIM interface pin description
O
O
O
I
2V9 / 1V8
2V9 / 1V8
2V9 / 1V8
2V9 / 1V8
I/O type
1V8
*Pull-up
Reset
state
0
0
Z
Q2686 Wireless CPU
Description
SIM Power
SIM Reset
SIM Clock
SIM Data
SIM Card
Supply
Detect
Multiplexed
Not mux
Not mux
Not mux
Not mux
Interfaces
GPIO18
with
March 6, 2007
Page: 38 / 87
®