Nokia 9000i - Page 36

After Sales
Technical Documentation
RAE/RAK–1N
Baseband
Page 2–10
Original, 08/96
6 / SIMFLEX SIMCLK
3.6V 4.85V 5.0V State ”1”
Clock for
SIM d
0V 0.2V 0.7V State ”0”
SIM card
7 / SIMFLEX SIMRESET
4.7V 4.85V 5.0V Output high
Reset for
SIM d
0V 0.7V Output low
SIM card
8 / SIMFLEX VSIM 4.7V 4.85V 5.0V SIM card
reader
supply
voltage
9 / SIMFLEX SIMDATA
0V 0.8V Input low level
Data for
SIM d
2.0V 5.0V Input high level
SIM card
0V 0.2V 0.7V Output low level
4.7V 4.85V 5.0V Output high level
Table 5. Battery monitoring signals
Pin / Type Line Symbol Minimum Typical /
Nominal
Maxi-
mum
Unit / Notes
11 / SIMFLEX
12 / SIMFLEX
MICN
MICP
5 mV
rms
19 mV
rms
Differential
3 / SIMFLEX
4 / SIMFLEX
EARN
EARP
124
mV
rms
1.965
V
rms
Differential,
R
L
= 32
3 / B2B
4 / B2B
PHFMICN
PHFMICP
5 mV
rms
19mV
rms
Differential
1 / PHF
2 / PHF
PHFEARP
PHFEARN
1.0 V
rms
2.8 V
rms
Differential
R
L
= 8 
41 / B2B EXTMIC 200
mV
rms
530
mV
rms
minimum
DC–level 2.0V.
42 / B2B EXTEAR 160
mV
rms
410
mV
rms
minimum
DC–level 2.0V.