54
HCD-BX5BT/CBX1/CBX3
USB BOARD IC901 TMP92CD28FG-2CB2 (USB CONTROLLER)
Pin No.
Pin Name I/O Description
1
/RESET I Reset signal input from the system controller "L": reset
2
DI I Ready to send signal input from the system controller
3, 4
NO USE O Not used
5
G-3 I Function selection signal input terminal Fixed at "L" in this set
6
DVCC - Power supply terminal (+3.3 V)
7 to 9
NO USE O Not used
10
DVSS - Ground terminal
11
DVCC - Power supply terminal (+3.3 V)
12
RVOUT1 O Reference voltage (+3.3 V) output terminal
13, 14
RVIN I Reference voltage (+3.3 V) input terminal
15
RVOUT2 O Reference voltage (+3.3 V) output terminal
16
DVCC - Power supply terminal (+3.3 V)
17
DVSS - Ground terminal
18 to 25
D0 to D7 I/O Two-way data bus with the S-RAM
26
DVSS - Ground terminal
27
DVCC - Power supply terminal (+3.3 V)
28 to 35
D8 to D15 I/O Two-way data bus with the S-RAM
36
A0 O Address signal output terminal Not used
37 to 43
A1 to A7 O Address signal output to the S-RAM
44
DVSS - Ground terminal
45
DVCC - Power supply terminal (+3.3 V)
46 to 54
A8 to A16 O Address signal output to the S-RAM
55 to 58
BUS0 to BUS3 O Serial data output to the CD-MP3 processor
59
/BUCK O Serial data transfer clock signal output to the CD-MP3 processor
60
/CCE O Chip enable signal output to the CD-MP3 processor
61
NO USE O Not used
62
DVSS - Ground terminal
63
DVCC - Power supply terminal (+3.3 V)
64
RD O Output enable signal output to the S-RAM
65
WR O Write enable signal output to the S-RAM
66 SRLLB O
Lower-byte control signal output to the S-RAM
67 SRLUB O
Upper-byte control signal output to the S-RAM
68
NO USE O Not used
69 BOOT I
Boot mode selection signal input terminal "L": boot mode
70 CS2 I
Chip select signal output to the S-RAM
71
LRCK O L/R sampling clock signal output to the CD-MP3 processor
72
AM1 I Function mode selection signal input terminal Fixed at "H" in this set
73
X2 O System clock output terminal (9 MHz)
74
DVSS - Ground terminal
75
X1 I System clock input terminal (9 MHz)
76
DVCC - Power supply terminal (+3.3 V)
77
USBOC I Over current detection signal input terminal
78
USBPON O USB VBUS power on/off control signal output terminal "H": power on
79
D+ I/O Two-way data (positive) bus with the USB connector
80
D- I/O Two-way data (negative) bus with the USB connector
81
AM0 I Function mode selection signal input terminal Fixed at "H" in this set