KX-TDA0156CE - Panasonic PBX Service Manual (repair manual). Page 48

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48
KX-TDA0156CE
114 NINT
O
-
Interrupt signal to IC100
0:Interrupt
115 VCCIO
-
-
I/O Supply Voltage
3.2V
116 GND
-
-
Digital ground
-
117 VCCINT
-
-
Core Supply Voltage
1.5V
118 GND
-
-
Digital ground
-
119 NA18
O
-
invert of A18
Address bus
120 D0
I/O
-
D[0]
Data bus
121 D1
I/O
-
D[1]
Data bus
122 D2
I/O
-
D[2]
Data bus
123 D3
I/O
-
D[3]
Data bus
124 D4
I/O
-
D[4]
Data bus
125 D5
I/O
-
D[5]
Data bus
126 NC
-
Pull-up(Built in)
Not in use
FPGA Reserved pin
127 NC
-
Pull-up(Built in)
Not in use
FPGA Reserved pin
128 D6
I/O
-
D[6]
Data bus
129 D7
I/O
-
D[7]
Data bus
130 GWAIT
O
-
RDY
0:Active
131 WRN
I
-
Write Enable
0:Write
132 RDN
I
-
Read Enable
0:Read
133 A23
I
-
A[22]
Address bus
134 A22
I
-
A[21]
Address bus
135 VCCINT
-
-
Core Supply Voltage
1.5V
136 GND
-
-
Digital ground
-
137 VCCIO
-
-
I/O Supply Voltage
3.2V
138 GND
-
-
Digital ground
-
139 A21
I
A[20]
Address bus
140 A20
I
A[19]
Address bus
141 A19
I
A[18]
Address bus
142 A9
I
A[9]
Address bus
143 A8
I
A[8]
Address bus
144 A7
I
A[7]
Address bus
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