Lcd Module Interface - Nokia NSB-7 Series Service Manual

NSB-7
UI Module

LCD Module Interface

Line
Pin Parameter
Symbol
1 VBB Supply voltage
2 SCLK Serial clock input
3 SDA Serial data input
4 LCDCDX Control/display
data flag input
5 LCDCSX Chip select input
6 OSC External clock for
LCD
7 GND Ground
8 VOUT DC/DC voltage
converter output
9 LCDRSTX Reset
Viewing through LCD cell
Page 6
Min Typical
2.7 2.8
0
0
0
0.7 x VBB
0
0.7 x VBB
0
0.7 x VBB
30.4 32.0
0
0
0.7 x VBB
9
Display Driver
Figure 2: View through LCD Cell
ãNokia Mobile Phones Ltd.
PAMS Technical Documentation
Max Unit
2.9 V
300 uA
4.0 MHz
VBB
0.3 x VBB V
VBB
0.3 x VBB V
VBB
0.3 x VBB V
VBB
33.6 kHz
V
9 V
0.3 x VBB V
VBB
1
Notes
VBB=2.7V
Control
Data
Active
Connected to VBB
on PCB
Active
Issue 1 06/00