Q2686

Manufacturer Part NumberQ2686
DescriptionWireless CPU
ManufacturerWavecom
Q2686 datasheet
 


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Page 39/89

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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:
SIM-VCC: SIM power supply
www.DataSheet4U.com
~SIM-RST: reset
SIM-CLK: clock
SIM-IO: I/O port
SIMPRES: SIM card detect
The SIM interface controls a 3V/1V8 SIM. This interface is fully compliant with
the GSM 11.11 recommendations concerning SIM functions.
Signal
SIM-CLK
~SIM-RST
SIM-IO
SIM-VCC
SIMPRES
*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
®
via this dedicated interface.
SIM interface pin description
Pin
I/O
I/O type
number
14
O
2V9 / 1V8
2V9 / 1V8
13
O
2V9 / 1V8
11
I/O
2V9 / 1V8
9
O
1V8
12
I
confidential ©
Q2686 Wireless CPU
Interfaces
Reset
Description
Multiplexed
state
with
0
SIM Clock
Not mux
Not mux
0
SIM Reset
Not mux
*Pull-up
SIM Data
Not mux
SIM Power
Supply
Z
SIM Card
GPIO18
Detect
®
Page: 38 / 87
March 6, 2007