KX-NS0180X - Panasonic PBX Service Manual (repair manual). Page 55

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55
KX-NS0180X
62
PLLVSS
-
GND for internal PLL
63
PLLVDD
-
Power Supply for internal PLL (2.5V)
64
DT_STD3
out
Outside line mode: DTMF detection status (High Active)
65
DT_STD2
out
Outside line mode: DTMF detection status (High Active)
66
DT_STD1
out
Outside line mode: DTMF detection status (High Active)
67
DT_STD0
out
Outside line mode: DTMF detection status (High Active)
68
VDD
-
Power Supply (2.5V: For internal Power of ASIC)
69
VSS
-
GND (For internal ASIC)
70
OSI
in
Crystal departure pendulum input terminal (4.096MHz)
71
OSO
out
Crystal departure pendulum output terminal (4.096MHz)
72
VSSQ
-
GND for ASIC I/O
73
TST_CLK
in
Clock input for factory inspection (normal 
"
H
"
 input) (5V tolerant)
74
SCAN_EN
in
Scan mode enable (normal 
"
L
"
 input) (5V tolerant)
75
DT_TOE3/HWFH
in
DTMF output enable
76
DT_TOE2/HWCP
in
DTMF output enable
77
DT_TOE1/HWCLK
in
DTMF output enable
78
DT_TOE0/UHWD
I/o
DTMF output enable
79
VDDQ
-
Power Supply for ASIC I/O (3.3V)
80
VSSQ
-
GND for ASIC I/O
81
PDATA/PIO7
I/o
The serial data for Pay Tone detection IC setting (5V tolerant)
82
PCLK/PIO6
I/o
Clock for Pay Tone setting (5V tolerant)
83
NPCS1/PIO5
I/o
Chip select signal for Pay Tone seting (5V tolerant)
84
NPCS0/PIO4
I/o
Chip select signal for Pay Tone seting (5V toleran)
85
PDET3/PIO3
I/o
Detection signal of Pay Tone (5V tolerant)
86
PDET2/PIO2
I/o
Detection signal of Pay Tone (5V tolerant)
87
PDET1/PIO1
I/o
Detection signal of Pay Tone (5V tolerant)
88
PDET0/PIO0
I/o
Detection signal of Pay Tone (5V tolerant)
89
VDD
-
Power Supply (2.5V: For internal Power of ASIC)
90
VSS
-
GND (For internal ASIC)
91
PIN7
in
General-purpose input port (5V tolerant)
92
PIN6
in
General-purpose input port (5V tolerant)
93
PIN5
in
General-purpose input port (5V tolerant)
94
PIN4
in
General-purpose input port (5V tolerant)
95
PIN3
in
General-purpose input port (5V tolerant)
96
PIN2
in
General-purpose input port (5V tolerant)
97
PIN1
in
General-purpose input port (5V tolerant)
98
PIN0
in
General-purpose input port (5V tolerant)
99
VDDQ
-
Power Supply for ASIC I/O (3.3V)
100
VSSQ
-
GND for ASIC I/O
Pin No.
Terminal Name
I/O
Description
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