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Pin 110
SYMBOL
Slignal name and Description
86
I
NMIRG
NMICSO
NMI mask register chip select
87
I
PAGWR
PAGWRO
OMA page register write signal
88
0
WOLAT
WOLAT1
Low data (even) latch signal for word read operation
to 8-bit bus.
89
0
WOLEN
WOLENO
Low data (even) enable signal for word read
operation to 8-bit bus.
90
GNO
Ground
91
I
OSC
SC141
Output from the OSc. 14.31818MHz.
92
I
PPICS
PPICSO
PPI select signal. This signal is active low.
93
0
CALE
CALE1
CPU address latch enable signal
94
HLOA
HlOA1
Hold acknowledge
95
1/0
DO
10001
Bidirectional data bus bit 0
96
1/0
01
10011
Bidirectional data bus bit 1
97
1/0
02
10021
Bidirectional data bus bit 2
98
110
03
10031
Bidirectional data bus bit 3
99
110
04
10041
Bidirectional data bus bit 4
100
1/0
05
10051
Bidirectional data bus bit 5
A -
9
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