Sony HCD-BX5BT - IC PIN FUNCTION DESCRIPTIONS - USB BOARD (CONT.); USB CONTROLLER IC901 PIN FUNCTIONS (CONT.)

55
HCD-BX5BT/CBX1/CBX3
Pin No.
Pin Name I/O Description
82
NO USE O Not used
83
DVSS - Ground terminal
84 DO O
Clear to send signal output to the system controller
85
DATA O Serial data output terminal Not used
86 CLOCK O
Serial data transfer clock signal output terminal Not used
87 TXD1 O
Serial data output to the system controller
88 RXD1 I
Serial data input from the system controller
89
NO USE O Not used
90
SDA I/O Two-way EEPROM IIC data bus terminal Not used
91
SCL I/O Two-way EEPROM IIC clock bus terminal Not used
92
BCK O Bit clock signal output to the CD-MP3 processor
93
DATA O Audio data output to the CD-MP3 processor
94
GATE O Gate signal output to the CD-MP3 processor
95
DVCC - Power supply terminal (+3.3 V)
96
REQ I Request signal input from the CD-MP3 processor
97
ST-REQ I Request signal input from the CD-MP3 processor
98, 99
G-1, G-2 I Function selection signal input terminal Fixed at "L" in this set
100
DVSS - Ground terminal