Nokia 9000i - Page 100

After Sales
Technical Documentation
RAE/RAK–1N
UIF
Page 4– 8
Amendment 1 04/97
Table 2. DC characteristics of PDA Hinge–flex connector on LCDM module
Pin /
Type
Line Symbol Mini-
mum
Typi-
cal /
Nomi-
nal
Maxi-
mum
Notes
10,17,24 /
UIF
GND GND
6–3 / UIF LCMUIF(3:0)
0V 0.7V Output/Input low
keypad
row lines/
4.65V 4.8V 4.95
V
Output/Input high
row
lines/
display
data lines
7 / UIF LCMUIF4
0V 0.7V Output/Input low
keypad
row
4.65V 4.8V 4.95
V
Output/Input high
read/write
strobe for
LCD driver
8 / UIF LCMUIF5
0V 0.7V Output/Input low
keypad
row
4.65V 4.8V 4.95
V
Output/Input high
LCD driver
register
select
9 / UIF LCMUIF6
0V 0.7V Output/Input low
enable
tbf
4.65V 4.8V 4.95
V
Output/Input high
strobe for
LCD driver
14–11 /
UIF
LCMCOL(3:0)
0V 0.7V Output/Input low
Keypad
l
UIF
4.65V 4.8V 4.95
V
Output/Input high
column
write
15 / UIF BACKLIGHTO
0V 0.7V Output low, back-
lights off
Display
and key-
p
ad illu
4.65V 4.8V 4.95
V
Output high, back-
lights on
pad
illu
-
mination
control
16 / UIF LCMXPWRON
0V 0V 0.7V Input low, power on/
off
Power
ON/OFF
k
4.8V Floating when inac-
tive. A pull–up in
PSL+.
key
21–18 /
PDALCD
LCDD(3:0)
0.4 V Output low
PDA LCD,
Dt li
PDALCD
2.6 V Output high
Data lines
22 /
PDALCD
LP
0.4 V Output low
PDA LCD,
Li l
PDALCD
2.6 V Output high
Line pulse
23 /
PDALCD
PCLK
0.4 V Output low
PDA LCD,
Pi l l k
PDALCD
2.6 V Output high
Pixel clock