47
HCD-GPX5
Pin No.
Pin Name
I/O
Description
84
PROTECT
I
Protect signal input from the amplifier circuit “L”: protect
85
SP RELAY
O
Speaker on/off relay drive signal output terminal “L”: speaker off
86
AMP POWER
O
AMP muting on/off control signal output terminal “H”: AMP on
87
EQ DATA
O
Serial data output to the electrical volume
88
EQ CLK
O
Serial data transfer clock signal output to the electrical volume
89 to 91
KEY3 to KEY1
I
Front panel key or headphone detection input terminal (A/D input)
92
MODEL
I
Setting terminal for the model type
93
DEST
I
Setting terminal for the destination
94
TC END SW
I
End switch detection from tape deck block
95
TC HALF/
REC SW
I
Half/REC switch detection from tape deck block
96
AVSS
—
Ground terminal
97
NC
O
Not used
98
VREF
I
Reference voltage (+3.3V) input terminal
99
AVCC
—
Power supply terminal (+3.3V)
100
FL DATA
O
Serial data output to the FL/LED driver
Summary of Contents for HCD-GPX5
Page 67: ...67 HCD GPX5 MEMO ...
