Nokia 9110 Service Manual
PAMS
Technical Documentation
RAE–2
UIF Module BS2
Page 4 – 11
Original 02/99
Notes
Unit
Maxi-
mum
Typical
Mini-
mum
mum
Parameter
Line Symbol
Pin
6
OSC*
External clock for LCD
30.4
32.0
33.6
kHz
Connected to
VBB on UI
VBB on UI
7
GND
Ground
0
V
8
VOUT
DC/DC voltage con-
verter output
verter output
6.8
9
9
LCDRSTx
Reset
0
0.3xVBB
Low, Reset
Active
Active
0.7xVBB
VBB
High,Reset
Inactive
Inactive
* External oscillator is not used in BS2.
Connection layout diagram of interface to BC2 module
Driver
1
9
Viewing through LCD cell
Display
IC
Interface to PDA LCD Display
Table 1. Interface to PDA LCD display, connector X730.
Pin
Line Symbol
Parameter
Minimum
Typical /
Nominal
Nominal
Maxi-
mum
Unit
Notes
1
2
2
V17_OUT
PDA LCD bias
voltage
voltage
16.0
19.4
22.0
V
Throughout the
whole tempera-
ture range
whole tempera-
ture range
18.2
19.4
20.6
V
At +20
°
C
3
V17_i1
PDA LCD inter-
mediate bias
voltage
mediate bias
voltage
14.7
17.9
20.3
V
12/13xV17_OU
T Throughout
the whole tem-
perature range
T Throughout
the whole tem-
perature range
16.8
17.9
19.0
V
At +20
°
C