KX-TDA0158CE - Panasonic PBX Service Manual (repair manual). Page 39

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39
KX-TDA0158CE
110
LSR+/REF
O
-
Not in use (open)
-
111
LSR-/REF
O
-
Audio signal output
-
112
LSR_HS/CIDIN-
O
-
Not in use (open)
-
113
VREF_HS/CIDOUT
O
-
Not in use (open)
-
114
MIC-
I
Pull-down(Built in) Not in use (open)
-
115
VREF-
O
-
Not in use (Ground)
-
116
VBUF
O
-
Voltage reference
1.5V
117
AGND
O
-
Signal ground
0.9V
118
MIC+
I
-
Not in use (open)
-
119
VREF+/CIDIN+
O
-
Not in use (open)
-
120
RSTn
I/O
-
Reset input
0:Reset
121
AD0/EXT_MEMORY
I
Pull-down(Built in) EXT_MEMORY select(Pull up)
-
122
AD1
I/O
-
AD0
Address bus
123
AD2
I/O
-
AD1
Address bus
124
AD3
I/O
-
AD2
Address bus
125
AD4
I/O
-
AD3
Address bus
126
AD5
I/O
-
AD4
Address bus
127
AD6
I/O
-
AD5
Address bus
128
AD7
I/O
-
AD6
Address bus
Pin 
No.
Terminal Name
I/O setting
Pull-up/down 
Processing
Contents of Control
Remark
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