Nokia 9000i - Page 34

After Sales
Technical Documentation
RAE/RAK–1N
Baseband
Page 2–8
Original, 08/96
Table 3. Supply Voltages and Power Consumption (continued)
Unit / NotesMaximumTypical /
Nominal
MinimumLine Symbol
Pin / Conn.
14 / B2B
31 / B2B
VCHAR 10.0V 12.0 13.0V Charger specifi-
cations, without
load
VA1 4.5V 4.65V 4.8V Imax = 40mA
VA2 4.5V 4.65V 4.8V Imax = 80mA
VA3 4.5V 4.65V 4.8V Imax = 200mA
11 / B2B VL1 4.7V 4.85V 5.0V Imax = 150mA
VL2 4.7V 4.85V 5.0V Imax = 150mA
VREF 4.55V 4.65V 4.75V Imax = 5mA
16 / B2B VF 11.4V 12V 12.6V Flash program-
ming voltage
Table 4. Digital control signals
6 / B2B BACKLIGHT
0V 0.7V Output low, back-
lights off
Display
and key-
board illu
4.7V 4.85V 5.0V Output high, back-
lights on
board
illu
-
mination
control
8 / B2B RBUSRXD
3.6V 4.85V 5.0V State ”1”
RBUS re-
ceived
0V 0.2V 0.7V State ”0”
data to
CMT
9 / B2B RBUSTXD
3.6V 4.85V 5.0V State ”1”
1 mA load
RBUS
trans-
mitted
0V 0.2V 0.7V State ”0”
data from
CMT
12 / B2B XPWRON
0V 0V 0.7V Input low, power
on/off
4.65V Floating when inac-
tive. A pull–up in
PSL+.
15 / B2B BUZPWR
0V 0.7V Input low, buzzer
on
5.3V 7.2V 8.4V Input high, buzzer
off
20 / B2B
19 / B2B
COL(3:0)
0V 0.7V Output low
keyboard
columns
18 / B2B
17 / B2B
4.7V 4.85V 5.0V Output high