Wavecom WMOi3 - Table 23: SIM Interface Electrical Characteristics; Table 24: SIM Socket Pin Description

January 2001/ version 1.4
WMOi3 Integrated Modem
confidential ©
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Table 23 : SIM interface electrical characteristics
Parameter Conditions Min Typ Max Unit
SIMDATA V
IH
I
IH
= ± 20µA 0.7xSIMVCC V
SIMDATA V
IL
I
IL
= 1mA 0.3xSIMVCC V
SIMRST,
SIMDATA
SIMCLK V
OH
Source current =
20µA
SIMVCC – 0.1V V
SIMRST,
SIMDATA
SIMCLK V
OL
Sink current =
- 200µA
0.1 V
SIMVCC Output
Voltage
I
SIMVCC
<= 6mA 2.70 2.80 2.85 V
SIMCLK Rise/Fall
Time
Loaded with 30pF 50 ns
SIMRST,
SIMDATA
Rise/Fall Time
Loaded with 30pF 1 µs
SIMCLK
Frequency
Loaded with 30pF 3.25 MHz
Table 24 : SIM socket pin description
SignalSignal Pin numberPin number DescriptionDescription
VCC 1 SIMVCC
RST 2 SIMRST
CLK 3 SIMCLK
CC4 4 R10 to GROUND
GND 5 GROUND
VPP 6 Not connected
I/O 7 SIMDATA
CC8 8 SIMPRES1