Nokia RM-291 Service Manual page 184

Nokia Customer Care
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
Page 8 –14
Figure 127 Keyboard layout in UI side
Table 15 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
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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
System module
Unit Notes
V Supply voltage
V
V SIM reset (output)
V
MHz
ns
V
V
RM-291
Issue 1