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56
HCD-CPZ1
Pin No.
Pin Name
I/O
Description
84
MP3 IREQ
O
MP3 data request signal output to the CD DSP
85
MP3 XLAT
O
MP3 serial data latch pulse output to the CD DSP
86
MP3 REQ
O
MP3 chip select signal output to the CD DSP
87
MP3 ACK
O
MP3 acknowledge signal output to the CD DSP
88
CD XLAT
O
CD serial data latch pulse output to the CD DSP
89
TREBLE
I
Jog dial pulse input from the rotary encoder for the treble
90
BASS
I
Jog dial pulse input from the rotary encoder for the bass
91
TC END SW
I
Tape end detect sensor input terminal "H" input when the tape end detected
92
TC HALF/REC
SW
I
Cassette in and recording direction detection signal input terminal
"L": side B recording, center voltage: cassette in (stop), "H": side A recording
93
SPEC IN
I
Destination setting terminal
94, 95
KEY2, KEY1
I
Key input (A/D input) terminal for the front panel
96
AVSS
-
Ground terminal
97
KEY2, KEY1
I
Key input (A/D input) terminal for the front panel
98
VREF
I
Reference voltage (+3.3V) input terminal
99
AVCC
-
Power supply terminal (+3.3V)
100
POWER RELAY
ON/OFF
O
Main power on/off relay drive signal output terminal "H": relay on
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