User Guide

NHM-8NX
System Module & UI PAMS Technical Documentation
Page 18 ãNokia Corporation Issue 1 05/02
Table 20: SIM Connector
Functional Description
Modes of Operation
NHM-8NX baseband engine has six different operating modes (in normal mode):
• No supply
•Power_off
•Acting Dead
•Active
•Sleep
• Charging
Additionally two modes exist for product verification: 'testmode' and 'local mode'.
No supply
In NO_SUPPLY mode, the phone has no supply voltage. This mode is due to disconnection
of main battery or low battery voltage level.
Pin Name Parameter Min Typ Max Unit Notes
1 CLK Frequency - 3.25 - MHz SIM clock
Trise/Tfall - - 50 ns
2 RST 1.8V SIM
Card
1.62
0
”1”
”0”
VSIM
0.27
V SIM reset
(output)
3V SIM
Card
2.7
0
”1”
”0”
VSIM
0.45
V
3 VCC 1.8V SIM
Card
1.6 1.8 2.0 V Supply
voltage
3V SIM
Card
2.8 3.0 3.2 V
4 GND GND - 0 - V Ground
5 VCC - - - Not con-
nected
6 I/O 1.8V Voh
1.8V Vol
1.62
0
”1”
”0”
VSIM
0.27
V SIM data
(output)
3 Voh
3 Vol
2.7
0
”1”
”0”
VSIM
0.45 V
1.8V Vih
1.8V Vil
1.26
0
”1”
”0”
VSIM
0.27
V SIM data
(input)
Trise/Tfall
max 1us
3V Vil
3V Vil
2.1
0
”1”
”0”
VSIM
0.45 V