51
HCD-M80
Pin No.
Pin Name
I/O
Description
85
HEAD PHONE
MUTE
O
Headphone muting on/off control signal output terminal Not used
86
AMP-CE
O
Chip enable signal output to the electrical volume
87
AMP-DATA
O
Serial data output to the electrical volume
88
AMP-CLK
O
Serial data transfer clock signal output to the electrical volume
89
STK MUTE
O
Muting on/off control signal output to the power amplifier “H”: muting on
90
B SHUT
I
Tape end detect switch input terminal “H” input when the tape end detected
91
B HALF/REC
I
Half detect (side A and B) switch and cassette in detect switch input terminal (A/D input)
92
MODEL-IN
I
Model setting terminal
93
SPEC-IN
I
Destination setting terminal
94, 95
KEY2, KEY1
I
Key input terminal (A/D input)
96
AVSS
—
Ground terminal (for analog system)
97
KEY3
I
Key input terminal (A/D input)
98
VREF
O
Reference voltage (+3.3V) input terminal (for analog system)
99
AVCC
—
Power supply terminal (+3.3V) (for analog system)
100
DC-DETECT
I
Protect on/off control signal input from the speaker protect circuit “L”: protect on
Содержание HCD-M80
Страница 93: ...23 HCD M80 MEMO ...