Display Interface Signals - Nokia NPL-4 Series Manual

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Display interface signals

Pin Signal
1 VDDI
2 RESX
3 SDA
4 SCLK
5 CSX
6 VDD
7 NC
8 GND
9 VLED-
(GND)
10 VLED
Display
Copyright © 2005 Nokia Corporation. All rights reserved.
Issue 2 05/05
Table 9: LCD connector
Min Nom Max
1.72V 1.8V 1.88V
0.7*VDDI VDDI
0 0.3*VDDI Logic '0'
1us
0.7*VDDI VDDI
0 0.3*VDDI Logic '0'
100ns
100ns
0.7*VDDI VDDI
0 0.3*VDDI Logic '0'
6.5MHz
250ns
100ns
100ns
0.7*VDDI VDDI
0 0.3*VDDI Logic '0'
60ns
100ns
2.70V 2.78V 2.86V
0V
0V
0V
7.7V
7.2V 8.4V
System Module and User Interface
Condition Note
Logic voltage
supply
Connected to
VIO
Logic '1' Reset
Active low
trw Reset active
Logic '1' Serial data
tsds Data setup time
tsdh Data hold time
Logic '1' Serial clock
input
Max frequency
tscyc Clock cycle
tshw Clock high
tslw Clock low
Logic '1' Chip select
Active low
tcss CXS low before
SCLK rising
edge
tcsh CXS low after
SCLK rising
edge
Supply Voltage.
Connected to
VFLASH1
Not Connected
Ground
Return current
LED off Supply Voltage
LED on for LEDs
NPL-4/5/
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