KX-TDA0156CE - Panasonic PBX Service Manual (repair manual). Page 45

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45
KX-TDA0156CE
111 LSR-/REF
O
-
Not in use (open)
-
112 CIDIN-
O
-
Not in use (Ground)
-
113 VREF_HS/CIDOUT
O
-
Not in use (open)
-
114 MIC-
I
Pull-down(Built in) Not in use (Ground)
-
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 (Ground)
-
119 VREF+/CIDIN+
O
-
Not in use (open)
-
120 RSTn
I
-
Reset input
0:Reset
121 AD0/EXT_MEMORY
I
Pull-down(Built in) EXT_MEMORY select(Pull up)
-
122 AD1
O
-
A[0]
Address bus
123 AD2
O
-
A[1]
Address bus
124 AD3
O
-
A[2]
Address bus
125 AD4
O
-
A[3]
Address bus
126 AD5
O
-
A[4]
Address bus
127 AD6
O
-
A[5]
Address bus
128 AD7
O
-
A[6]
Address bus
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