
– 70 –
Pin No.
Pin Name
I/O
Function
78
MA13
O
79
MA14
O
Address signal output terminal Not used (open)
80
MA15
O
81
VSS
—
Ground terminal
82
MA00
O
83
MA01
O
84
VSS
—
Ground terminal
85
MA02
O
86
MA03
O
87
VDD
—
Power supply terminal (+3.3V)
88
MA04
O
89
MA05
O
90
VSS
—
Ground terminal
91
VSS
—
Ground terminal
92
MA06
O
93
MA07
O
94
VSS
—
Ground terminal
95
MA08
O
96
MA16
O
Address signal output terminal Not used (open)
97
MA17
O
Address signal output terminal Not used (open)
98
VDD
—
Power supply terminal (+3.3V)
99
WE
O
100
OE
O
101
VSS
—
Ground terminal
102
ROM-CE
O
Chip enable signal output terminal Not used (open)
103
CAS
O
104
VSS
—
Ground terminal
105
DEND
O
Internal operation monitor output terminal Not used (open)
106
VDD
—
Power supply terminal (+3.3V)
107
PEND
O
Internal operation monitor output terminal Not used (open)
108
ENC0
O
109
ENC1
O
Internal operation monitor output terminal Not used (open)
110
ENC2
O
111
VSS
—
Ground terminal
112
STOP
O
Internal operation monitor output terminal Not used (open)
113
HOLD
O
Internal operation monitor output terminal Not used (open)
114
OVF
O
Overflow monitor output terminal at the operation “H”: overflow Not used (open)
115
LIM
O
Fixed/float conversion limiter output terminal “H”: limiter on Not used (open)
116
BTIA
I
Bit input terminal Not used (fixed at “L”)
117
BTIB
I
Bit input terminal Not used (fixed at “L”)
118
BTOA
O
Bit output terminal Not used (open)
119
BTOB
O
Bit output terminal Not used (open)
120
VDD
—
Power supply terminal (+3.3V)
IC101: Address signal output to the D-RAM (IC102)
IC201: Address signal output to the D-RAM (IC202)
IC101: Address signal output to the D-RAM (IC102)
IC201: Address signal output to the D-RAM (IC202)
IC101: Address signal output to the D-RAM (IC102)
IC201: Address signal output to the D-RAM (IC202)
IC101: Address signal output to the D-RAM (IC102)
IC201: Address signal output to the D-RAM (IC202)
IC101: Address signal output to the D-RAM (IC102)
IC201: Address signal output to the D-RAM (IC202)
IC101: Write enable signal output to the D-RAM (IC102)
IC201: Write enable signal output to the D-RAM (IC202)
IC101: Output enable signal output to the D-RAM (IC102)
IC201: Output enable signal output to the D-RAM (IC202)
IC101: Column address strobe signal output to the D-RAM (IC102)
IC201: Column address strobe signal output to the D-RAM (IC202)
Содержание XES-Z50
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