Sony HCD-GTX999 Service Manual page 55

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• IC Pin Function Description
USB MICOM BOARD IC2 D708E001BRFP266 (USB SYSTEM CONTROLLER)
Pin No. Pin Name
1
EM_A (_18),
2, 3
EM_A (_13)
4
5
6
7 EM_A (_19)
8
9
10
11 D_RESET
12
13
14
15
16
17
18
19
20
21
22 OSCVSS
23
24 OSCOUT
TE
L 13942296513
25 OSCVDD
26
27
28
29
30
31
32
33
34
35
36
37
38
39 EM_WE_DQM (0)
40
41 EM_D (7)
42
43 EM_D (6)
44
45, 46 EM_D (5), EM_D (4)
47
48, 49 EM_D (3), EM_D (2)
50
51, 52 EM_D (1), EM_D (0)
53
www
54
55, 56 EM_D (15), EM_D (14)
57
.
58, 59 EM_D (13), EM_D (12)
60
61 EM_D (11)
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I/O
VSS - Ground terminal
O Address signal output to the fl ash memory
CD-PO O Reset signal output to the digital servo
MCK - Not used
VSS - Ground terminal
O Address signal output to the fl ash memory
CVDD - Power supply terminal (+1.2V)
BCKI I Bit clock signal input from the data buffer
DVDD - Power supply terminal (+3.3V)
Reset signal output to the data buffer, A/D converter, D/A converter,
O
USB interface and USB 2.0 hub controller
LRCKI I L/R sampling clock signal input from the data buffer
VSS - Ground terminal
XRESET I Reset signal input from the system controller
VSS - Ground terminal
CVDD - Power supply terminal (+1.2V)
CLKIN I System clock (22.5792MHz) input terminal
VSS - Ground terminal
TMS - Not used
CVDD - Power supply terminal (+1.2V)
XTRST - Not used
- Ground terminal
OSCIN - Not used
- Not used
- Power supply terminal (+1.2V)
VSS - Ground terminal
PLLHV - Power supply terminal (+3.3V)
TDI - Not used
TDO - Not used
VSS - Ground terminal
DVDD - Power supply terminal (+3.3V)
EMU (0) - Not used
CVDD - Power supply terminal (+1.2V)
EMU (1) - Not used
TCK - Not used
VSS - Ground terminal
EM_CAS O Column address strobe signal output to the SDRAM
EM_WE O Write enable signal output to the SDRAM, fl ash memory and USB interface
O Write enable signal output to the SDRAM
VSS - Ground terminal
I/O Two-way data bus with the SDRAM, fl ash memory and USB interface
DVDD - Power supply terminal (+3.3V)
I/O Two-way data bus with the SDRAM, fl ash memory and USB interface
CVDD - Power supply terminal (+1.2V)
I/O Two-way data bus with the SDRAM, fl ash memory and USB interface
VSS - Ground terminal
I/O Two-way data bus with the SDRAM, fl ash memory and USB interface
DVDD - Power supply terminal (+3.3V)
I/O Two-way data bus with the SDRAM, fl ash memory and USB interface
CVDD - Power supply terminal (+1.2V)
VSS - Ground terminal
x ao
y
I/O Two-way data bus with the SDRAM, fl ash memory and USB interface
CVDD - Power supply terminal (+1.2V)
i
I/O Two-way data bus with the SDRAM, fl ash memory and USB interface
DVDD - Power supply terminal (+3.3V)
I/O Two-way data bus with the SDRAM, fl ash memory and USB interface
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8
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HCD-GTX999
2 9 9 4 2 8
Description
"L": reset
"L": reset
"L": reset
1 5 0 5 8 2 9 9 4
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co
9 9
2 8 9 9
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