Specifications

Product Technical Specification & Customer Design Guidelines
Interfaces
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This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without
prior written agreement.
WA_DEV_Q64_PTS_001-003 January 9, 2009
3.8.2 Pin Description
Signal Pin
number
I/O I/O type Reset
state
Description Multiplexed
with
SIMCLK
19
O 2V9 / 1V8 0 SIM Clock Not mux
SIMRST
17
O
2V9 / 1V8
0 SIM Reset
Not mux
SIMDAT
18
I/O
2V9 / 1V8
Pull up* SIM Data
Not mux
SIMVCC
15
O
2V9 / 1V8
- SIM Power
Supply
Not mux
SIMDET
16
I
1V8
Pull-up# SIM Card
Detect
Not mux
*SIMDAT pull-up is about 10K Ω
#SIMDET pull-up is about 100 K Ω.
See chapter
3.4, “Electrical Information for Digital I/O” on page 30 for 2V8-1, 2V8-2, pull-up and open drain
voltage characteristics and for Reset state definition.
3.8.3 Application
Figure 9: Example of SIM Socket implementation