Block Diagram - Usb Section - Sony HCD-GTX66 Service Manual

HCD-GTX66/GTX77
Q Q
3 7 6 3 1 5 1 5 0
6-4. BLOCK DIAGRAM — USB SECTION —
1 VBUS
CN952
D–
D+
(USB)
GND
4
DATA
CLK
GATE
ST REQ
A IN
BCK IN
LRCKIN
RF/SERVO
B
SECTION
BUS3
(Page 31)
BUS2
BUS1
T E
L 1 3 9 4 2 2 9 6 5 1 3
BUS0
REQ
CCE
BUCK
w w w
HCD-GTX66/GTX77
USB CONTROL
IC901
VBUS
POWER ON/OFF
SWITCH
VBUS+5V
IC915
OUT IN
5 4
FLG 3 77 P75/USBOC
EN 1
78 P76/USBPON
80 D–
79 D+
PF1/RXDO
85
86 PF2/SCLK0/CTSO/CLK/TB0OUT0
94 PN5/HSS1/SCL1
97 PG2
93 PN4/HSS0/SDA1
PN3/HSCLK
92
71 P83/CS3/WAIT/TA5OUT
P64/A20
58
57 P63/A19
P62/A18
56
P61/A17
55
96 PG3
60 P66/A22
59 P65/A21
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. i
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8
P00/D0 18
I I
P07/D7 25
•
P10/D8 28
I I
P17/D15 35
P41/A1 37
I I
P47/A7 43
•
P50/A8 46
I I
54
P60/A16
P70/RD 64
P71/SRWR 65
P72/SRLLB 66
P73/SRLUB 67
P82/CS2 70
Q Q
3 7 6 3
1
RESET
2
PC0/INT0
PF0/TXD0 84
PF4/RXD1/SPDI 88
PF3/TXD1/SPD0 87
X1 75
X901
9kHz
X2 73
u 1 6 3
.
34 34
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2 4
9 9 8
S-RAM
IC921
7 I/O0
I I
10 I/O3
•
13 I/O4
I I
16 I/O7
•
I/O8
29
I I
32 I/O11
•
• Signal Path
35 I/O12
I I
: DIGITAL
38 I/O15
44 A0
: USB
I I
42 A2
•
A3
27
I I
24 A6
•
21 A7
I I
18 A10
•
5 A11
I I
1 A15
41 OE
WE
17
LB
39
UB
40
16 CE
SYSTEM CONTROL
IC401 (4/6)
1 5 1 5 0 8 9 2 4
31 USBRST
38 USB SERIAL RTSO
34 USB SERIAL CTSO
35 USB SERIAL TXDO
36 USB SERIAL RXDO
m
c o
2
9 9
9 8 2 9 9