Nokia 9000i Service Manual page 121

After Sales
Technical Documentation
Pin / Line Symbol
Type.
29 / UIF UIF5
30 / UIF UIF6
32 / test DCLK
33 / test DSYNC
34 / test RDA
35 / test TDA
36 / sys- MBUS
t tem, test t t
38 / PDA LIDOPEN
(1) Nominal voltage will be 4.75–5 V
Original, 08/96
Mini- Typi- Maxi-
mum cal / mum
Nomi-
nal (1)
0V 0.7V
4.7V 4.85V 5.0V
0V 0.7V
4.7V 4.85V 5.0V
3.6V 4.85V 5.0V
0V 0.2V 0.7V
3.6V 4.85V 5.0V
0V 0.2V 0.7V
3.6V 4.85V 5.0V
0V 0.2V 0.7V
3.6V 4.85V 5.0V
0V 0.2V 0.7V
0V 0.7V
3.0V 5.0V
0V 0.2V 0.35V
3.6V 4.85V 5.0V
2.735
V
0.2V
RAE/RAK–1N
PDA Hardware
Notes
Output/Input low keypad
row
LCD driver LCD driver
Output/Input high
register
select
Output/Input low enable
strobe for strobe for
Output/Input high
LCD driver
State "1" DBUS
clock clock
State "0"
512 kHz
State "1" DBUS
sync sync
State "0"
8 kHz
State "1" DBUS re-
ceived
data to
State "0"
9000
State "1"
DBUS
1 mA load trans-
mitted
data from
State "0"
9000
Input low level Isink<5mA-
Baud rate B
Input high level
9600 bits/ 9600 bits/
Output low level
s. (or
double) d
Output high level
State "1"
Lid status
for CMT
module
State "0"
Page 6 – 9
d t
bl )
d l