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Pin
15
GND
16
Col3
Keyboard interface electrical characteristics
Description
Parameter
High-level
V
IH
input voltage
Low-level
V
IL
input voltage
High-level
V
OH
output
voltage
Low-level
V
OL
output
voltage
Display connector and interface connections
Pin
1
GND
WRX
2
3
GND
4
D0
5
D1
Page 9–36
Signal
I/O
->
Min
0.65* V
DDS
-0.3
1.62
Figure 118 Display connector
Table 26 Display interface connections
Signal
I/O
->
<->
<->
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Engine connection
GND
Helen3
Typ
Max
V
0.3+ V
DDS
0
0.35* V
V
1.98
DDS
0
0.45
(VDDS = 1.8V)
Engine connection
Helen3
Helen3
Helen3
Kbc_3
Unit
V
DDS
V
DDS
V
V
Lcdwrx
Lcdda0
Lcdda1
RM-57/58
System Module
Notes
Notes
Row
Row
Column
Column
Notes
Write Enable
(active low)
Data
Data
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