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Pin No.
Pin Name
82
NO USE
83
DVSS
84
DO
85
DATA
86
CLOCK
87
TXD1
88
RXD1
89
NO USE
90
SDA
91
SCL
92
BCK
93
DATA
94
GATE
95
DVCC
96
REQ
97
ST-REQ
98, 99
G-1, G-2
100
DVSS
I/O
O
Not used
-
Ground terminal
O
Clear to send signal output to the system controller
O
Serial data output terminal Not used
O
Serial data transfer clock signal output terminal Not used
O
Serial data output to the system controller
I
Serial data input from the system controller
O
Not used
I/O
Two-way EEPROM IIC data bus terminal Not used
I/O
Two-way EEPROM IIC clock bus terminal Not used
O
Bit clock signal output to the CD-MP3 processor
O
Audio data output to the CD-MP3 processor
O
Gate signal output to the CD-MP3 processor
-
Power supply terminal (+3.3 V)
I
Request signal input from the CD-MP3 processor
I
Request signal input from the CD-MP3 processor
I
Function selection signal input terminal Fixed at "L" in this set
-
Ground terminal
HCD-HX3/HX5/HX7
Description
57
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