HCD-RV660D, HCD-RV990D - Sony Audio Service Manual (repair manual). Page 26

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26
HCD-RV660D/RV990D
• IC207 ZIVA5X-C1F (DVD SYSTEM PROCESSOR) (DMB03 Board (7/8))
Pin No.
Pin Name
I/O
Pin Description
1
VDDP
Power supply pin (+3.2 V) (I/O signal)
2
HA1
I/O
Address bus signal input from/output to bus interface IC.
3 to 11
HAD15 to HAD7
I/O
Data bus (address signal multiplexed) signal input from/output to bus interface IC.
12
VDDP
Power supply pin (+3.2 V) (I/O signal)
13
GNDP
Ground (I/O signal)
14 to 19
HAD6 to HAD1
I/O
Data bus (address signal multiplexed) signal input from/output to bus interface IC.
20
VDDP
Power supply pin (+3.2 V) (I/O signal)
21
GNDP
Ground (I/O signal)
22
HAD0
I/O
Data bus (address signal multiplexed) signal input from/output to bus interface IC.
23
HDTACK
I/O
Not used (Fixed at H)
24
HIRQ0
I
Not used (Fixed at H)
25
WEH.UDS
I/O
Host upper data strobe signal input from/output to programmable ROM IC.
26
WEL.LDS
I/O
Not used (Open)
27
HREAD
I/O
Read/write strobe signal input from/output to programmable ROM IC.
28
GPIO0(1)
I/O
Jig detection port
29
GND
Ground (inside core)
30
VDD
Power supply pin (+1.8 V) (inside core)
31
GND25
Ground (SDRAM I/O signal)
32
VDD25
Power supply pin (+3.2 V) (SDRAM I/O signal)
33 to 42
MA9 to MA0
O
SDRAM address bus signal output to 128 Mbit SD-RAM IC.
43
GND25
Ground (SDRAM I/O signal)
44
VDD25
Power supply pin (+3.2 V) (SDRAM I/O signal)
45, 46
MA10, MA11
O
SDRAM address bus signal output to 128 Mbit SD-RAM IC.
47, 48
BA1, BA0
O
SDRAM bank select signal output to 128 Mbit SD-RAM IC.
49
MCS0
O
SDRAM chip select signal output to 128 Mbit SD-RAM IC.
50
MCS1
O
Not used (Open)
51
MRAS
O
SDRAM row address strobe signal output to 128 Mbit SD-RAM IC.
52
MCAS
O
SDRAM column address strobe signal output to 128 Mbit SD-RAM IC.
53
MWE
O
SDRAM write enable signal output to 128 Mbit SD-RAM IC. (H: read, L: write)
54
GND25
Ground (SDRAM I/O signal)
55
VDD25
Power supply pin (+3.2 V) (SDRAM I/O signal)
56
MCLK
O
SDRAM clock signal output to 128 Mbit SD-RAM IC.
57 to 60
MD0 to MD3
I/O
SDRAM data input from/output to 128 Mbit SD-RAM IC.
61
GND25
Ground (SDRAM I/O signal)
62
MDQM0
O
Byte read/write mask signal output to 128 Mbit SD-RAM IC.
63
VDD25
Power supply pin (+3.2 V) (SDRAM I/O signal)
64 to 71
MD4 to MD11
I/O
SDRAM data input from/output to 128 Mbit SD-RAM IC.
72
GND25
Ground (SDRAM I/O signal)
73
MDQM1
O
Byte read/write mask signal output to 128 Mbit SD-RAM IC.
74
VDD25
Power supply pin (+3.2 V) (SDRAM I/O signal)
75 to 78
MD12 to MD15
I/O
SDRAM data input from/output to 128 Mbit SD-RAM IC.
79
GND
Ground (inside core)
80
VDD
Power supply pin (+1.8 V) (inside core)
81 to 84
MD16 to MD19
I/O
SDRAM data input from/output to 128 Mbit SD-RAM IC.
85
GND25
Ground (SDRAM I/O signal)
86
MDQM2
O
Byte read/write mask signal output to 128 Mbit SD-RAM IC.
87
VDD25
Power supply pin (+3.2 V) (SDRAM I/O signal)
88 to 95
MD20 to MD27
I/O
SDRAM data input from/output to 128 Mbit SD-RAM IC.
96
GND25
Ground (SDRAM I/O signal)
97
MDQM3
O
Byte read/write mask signal output to 128 Mbit SD-RAM IC.
98
VDD25
Power supply pin (+3.2 V) (SDRAM I/O signal)
99 to 102
MD28 to MD31
I/O
SDRAM data input from/output to 128 Mbit SD-RAM IC.
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