4.3.6
Gate Array Pin Function
The Gate Array pin functions are shown in the following chart.
FUNCTION
RSTB
RESET
LCDE
LCD Enable
READ/WRITE
15
14
Address Bus
13
Expansion Address Bus
>>
оо
=
72170
»
Key Data Input
5
ПАЧЕ
ЕЛЬ
А ЧИ
Е
ДД
ДУВА
Eek
Ground (0 V)
Ground (0 V)
Expansion Address Bus
A12
Address Bus
Key Scan Output with
> 10
1C7 Chip Select
EIA
ad
N —|| —
[11111111111111
ч
о ~ сл