31
CDX-GT41UW/GT410U/GT460U/GT460US
55
NCO
O
Not used. (Open)
56
DAVN
I
RDS (Radio Data System) data block synchronized detect signal input
Not used in this set.
57
NCO
O
Not used. (Open)
58
UNISI
I
SONY bus data signal input
59
UNISO
O
SONY bus data signal output
60
UNISCK
O
SONY bus clock signal output
61
Z MUTE
I
Mute signal input
62
NOSE SW
I
Front panel attachment detect signal input “L”: With panel, “H”: Without panel
63
FLASH W
I
Memory mode change signal input Normally “H”: Single chip mode, after reset
“L”: flash write mode
64
SIRCS
I
Remote control signal input
65 to 70
NCO
O
Not used. (Open)
71
RC IN1
I
Rotary commander shift key signal input Not used in this set.
72 to 74
NCO
O
Not used. (Open)
75
FSW OUT
O
D/D converter oscillator frequency shift control signal output
“L”: 350 kHz, “H”: 415 kHz
76
NCO
O
Not used. (Open)
77
RESET
I
CPU reset signal input
78
NCO (OPEN REQ)
O
Not used. (Open)
79
XIN
I
Low speed operation clock signal input (32.768 kHz)
80
XOUT
O
Low speed operation clock signal output (32.768 kHz)
81
VSS1
—
Ground pin
82
OSCIN
I
High speed operation clock signal input (18.432 MHz)
83
OSCOUT
O
High speed operation clock signal output (18.432 MHz)
84
VCC3
—
Power supply pin (+3.3 V)
85
CYRIL SEL
I
Cyril correspondence discrimination signal input “L”: No correspondence
86
DEMOSEL
I
DEMO select signal input “H”: DEMO on, “L”: DEMO off
87
NCO
O
Not used. (Open)
88
SYSRST
O
System reset signal output
89
FL ON
O
Fluorescent indicator tube power on/off control signal output
90
DD ON
O
D/D converter power on/off control signal output
91
USB OVER
I
USB overcurrent detection signal input “L”: Overcurrent detection
92
USB ON
O
USB overcurrent detection IC control signal output “H”: On, “L”: Off
93
WAKE UP
O
Mechanism microcomputer wake up signal output “H”: Wake up, “L”: Sleep
94
CDON
I
CD mechanism servo power supply control request signal input
95
CDMON
I
CD mechanism deck power supply control request signal input
96
BUSON
O
Bus on signal output
97
TESTIN
I
Test mode detect signal input
98
TELATT
I
Telephone attenuate detect signal input
99
ACC IN
I
Accessory power supply detect signal input
100
ATT
O
Audio mute control signal output
Pin No.
Pin Name
I/O
Pin Description
