Pin No.
Pin Name
I/O
Function
38
BEEP
O
Beep sound output pin
39
LCDCKO
O
LCD clock output pin
40
LCDSO
O
LCD data output pin
41
LCDINH
O
LCD brank indication control pin
42
LCDCE
O
LCD chip enable output pin
43
UNICKO
O
Clock output pin (for SONY BUS)
44
UNICKI
I
Clock input pin (for SONY BUS)
45
UNISI
I
Data input pin (for SONY BUS)
46
UNISO
O
Data output pin (for SONY BUS)
47
VDD
–
Power supply
48
AVDD
–
Power supply
49
AVREF+
–
A/D reference voltage input pin
50, 51
KEYIN1,KEYIN0
I
Key input pin (A/D input)
52
D-BASS
I
D-BASS switch input pin (A/D input)
53
KEYSEL
I
Key function setting pin (A/D input)
54
DSTSEL
I
Destination setting pin (A/D input)
55
RC IN0
I
Rotary remote commander input pin (A/D input)
56
VSM1
I
FM/AM multi-pass detection pin
57
VSM0
I
FM/AM signal meter voltage detection pin (A/D input)
58
AVREF–
–
A/D reference voltage input pin
59
AVSS
–
GND
60
GND
–
GND
61
BUSON
O
BUS ON control signai output pin (for SONY BUS)
62
SYSRST
O
System reset signal output pin
63
SEKOUT
O
SEEK control signal output pin
64
TUNON
O
Tuner power supply control pin
65
FM ON
O
FM power supply control pin
66
MUT
O
System muting control pin
At muting: “H”
67
AF SEK
O
AF seek control signal output pin
68
COLOR
I
Illumination color setting pin
“L”: amber, “H”: green
69
NOSESW
I
Front panel removal or attaching detection pin
70
ST IN
I/O
Stereo detection signal input and forced monaural signal output pin
Station detection signal input pin
Reel table rotation detection pin
Power select switch input pin
Telephone muting detection pin
“L”: 20 dB audio muting
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