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MICROCOMPUTER'S TERMINAL DESCRIPTION
(X25-) IC1 : µ-COM
PORT
PORT NAME
I/O
No.
51
N.C.
-
52
PAN 5V
O
53
MC REQ
I/O
54
P RST
O
55
N.C.
-
56
QUAL
I
57
R DATA
I
58
SRM SUB-
O
59
SRM SUB+
O
60
SRM DET
I
61
SRM SW2
I
62
FM SD
I
63
N.C.
-
64
AFC
O
65
N.C.
-
66
WIDE
O
67
NARROW
I/O
68
AM+B
O
69
FM+B
O
70,71
N.C.
-
72
VSS
-
73
TYPE 0
I
74
TYPE 1
I
75
TYPE 2
I
76
ST TYPE 0
I
77
ST TYPE 1
I
78
N.C.
-
79
PRE MUTE
O
80
N.C.
-
81
VDD
-
82
N.C.
-
83
SVR
O
84
N.C.
-
85
P MUTE
O
86
ANT CON
O
87
IC2 SCK
O
88
DIMMER
I
89
P-ON
O
90
ACC DET
I
91
N.C.
-
92
P.ON
O
93
B.U. DET
I
94
TEST
-
95
IC2 SDA
I/O
96
MUTE
O
97
SW5
O
98
MS CL
O
99
MS DA
I/O
100
N.C.
-
FUNCTION
No connection.
Panel ON/OFF.
Lock SW.
Panel µ-com reset.
No connection.
RDS receiving.
RDS data.
SRM mechanism sub motor.
SRM mechanism sub motor.
SRM mechanism detection.
SRM eject positioning detection.
FM SD.
No connection.
Noise detection time constant SW.
No connection.
K2I forced wide.
K2I forced narrow.
AM power supply.
FM power supply.
No connection.
GND.
Destination SW.
Destination SW.
Destination SW.
Destination SW.
Destination SW.
No connection.
Pre mute.
No connection.
Back-up 5V.
No connection.
SVR.
No connection.
Power IC mute.
Antenna control.
IC2, IC5 and EEPROM clock line.
"SMALL" detection.
Power control.
ACC detection.
No connection.
Power supply for circumference of µ-com.
Momentary power down detection.
Test.
IC2, IC5 and EEPROM clock line.
Mute.
5V power supply.
Clock line to MD mechanism.
Data line to MD mechanism.
No connection.
KMD-PS971R/X92
OPERATING CONDITION
-
-
-
-
-
-
-
-
-
-
-
-
-
"H" : Receiving.
"L" : FM/AM seeking or AF searching.
-
-
-
-
-
-
-
-
-
-
-
-
-
"L" : Momentary power down.
-
-
-
"H" : Momentary power down or power off.
-
-
"H" : Tuner or TI.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
"L" : Other modes.
5
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