Sony HCD-GT22 Service Manual page 64

HCD-GT22/GT44/GT55
USB BOARD IC901 TMP92CD28AFG-2CB4 (USB CONTROLLER)
Pin No.
Pin Name
1
/RESET
2
DI
3, 4 NO USE
5
G-3
6
DVCC
7 to 9
NO USE
10 DVSS
11
DVCC
12
RVOUT1
13, 14
RVIN
15 RVOUT2
16
DVCC
17
DVSS
18 to 25
D0 to D7
26 DVSS
27
DVCC
28 to 35
D8 to D15
36
A0
37 to 43 A1 to A7
44
DVSS
45
DVCC
46 to 54
A8 to A16
55 to 58 BUS0 to BUS3
59
/BUCK
60
/CCE
61
NO USE
62 DVSS
63
DVCC
64
RD
65
WR
66 SRLLB
67 SRLUB
68
NO USE
69 BOOT
70 CS2
71
LRCK
72
AM1
73
X2
74
DVSS
75
X1
76
DVCC
77
USBOC
78
USBPON
79
D+
80
D-
81 AM0
64
I/O
I Reset signal input from the system controller "L": reset
I Ready to send signal input from the system controller
O Not used
I Function selection signal input terminal Fixed at "H" in this set
- Power supply terminal (+3.3 V)
O Not used
- Ground terminal
- Power supply terminal (+3.3 V)
O Reference voltage (+3.3 V) output terminal
I Reference voltage (+3.3 V) input terminal
O Reference voltage (+3.3 V) output terminal
- Power supply terminal (+3.3 V)
- Ground terminal
I/O Two-way data bus with the S-RAM
- Ground terminal
- Power supply terminal (+3.3 V)
I/O Two-way data bus with the S-RAM
O Address signal output terminal Not used
O Address signal output to the S-RAM
- Ground terminal
- Power supply terminal (+3.3 V)
O Address signal output to the S-RAM
O Serial data output to the CD-MP3 processor
O Serial data transfer clock signal output to the CD-MP3 processor
O Chip enable signal output to the CD-MP3 processor
O Not used
- Ground terminal
- Power supply terminal (+3.3 V)
O Output enable signal output to the S-RAM
O Write enable signal output to the S-RAM
O Lower-byte control signal output to the S-RAM
O
Upper-byte control signal output to the S-RAM
O Not used
I
Boot mode selection signal input terminal "L": boot mode
O Chip select signal output to the S-RAM
O L/R sampling clock signal output to the CD-MP3 processor
I Function mode selection signal input terminal Fixed at "H" in this set
O System clock output terminal (9 MHz)
- Ground terminal
I System clock input terminal (9 MHz)
- Power supply terminal (+3.3 V)
I Over current detection signal input terminal
O USB power (VBUS) on/off control signal output terminal "H": power on
I/O Two-way data (positive) bus from the USB connector
I/O Two-way data (negative) bus from the USB connector
I Function mode selection signal input terminal Fixed at "H" in this set
Description