User Guide

PAMS Technical Documentation System Module
NPE-3
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Pin Signal Sym-
bol
Parameter Min. Ty
p.
Max.
Unit
Notes
1 VL Supply voltage 2.7 2.8 3.3
V
250
µA
+25 °C, VL=2.85 V,
LCDCSX is dis-
abled with Special
Test Pattern –
250
µA
+25 °C, Worst
case, Checker-
board - s
2SCLK f
EXT
Serial clock input 0 4.00
MHz
tscyc 250
ns
tshw 100
ns
tslw 100
ns
3SDA
tsds
Serial data input 100
ns
tsdh 100
ns
4 LCDCDX tsas Control/display
data flag input
100
ns
Setup time
tsah 100
ns
Hold time
LOW Control data
HIGH Display data
5 LCDCSX tcss Chip select input 60
ns
tcsh 100
ns
0.7xVL
V
Logic high
0.3xVL
V
Logic low, active
6 UDGND GND Ground 0
V
In LCD interface
7 VOUT LCD output voltage 9
V
8 LCDRSTX Reset 0.3xVL
V
Logic low, active
trw 100
ns
for valid reset