Sim Interface - Nokia RH-99 Service Manual

SIM interface

The SIM interface is programmed to support 3V and 1.8V SIMs.
The SIM interface is the electrical interface between the Subscriber Identity Module Card (SIM Card) and mobile
phone.
Pin Name
1 VSIM
2 SIMRST
3 SIMCLK
4 DATA
5 NC
6 GND
VSIM specified in regulator section in this document
Page 6 –12
Table 8 SIM interface
Parameter Min
1.8V SIM 1.6
Card
3V SIM Card 2.8
1.8V SIM 0.9xVSI
Card M
0
3V SIM Card 0.9xVSI
M
0
Frequency
Trise/Tfall
1.8V Voh 0.9xVSI
M
1.8V Vol 0
3V Voh 0.9xVSI
M
3V Vol 0
1.8V Voh 0.9xVSI
M
1.8V Vol 0
3V Voh 0.9xVSI
M
3V Vol 0
1.8V Vih 0.7xVSI
M
1.8V Vil 0
3V Vil 0.7xVSI
M
3V Vil 0
GND 0
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Typ Max
1.8 1.9
3.0 3.2
VSIM
0.15xVSIM
VSIM
0.15xVSIM
3.25
50
VSIM
VSIM
VSIM
0.15xVSIM
VSIM
0.15xVSIM
VSIM
0.15xVSIM
VSIM
0.15xVSIM
0
RH-99; RH-100; RH-105; RH-106
System module
Unit Notes
V Supply voltage
V
V SIM reset (output)
V
MHz
ns
V
V
V SIM data (output)
V SIM data (input)
Trise/Tfall max
1us
Not connected
V Ground
Issue 2