Sony HCD-RV777D, Руководство по обслуживанию

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41
HCD-RV777D/RV888D/RV999D
• IC207 ZIVA5X-C2F (DVD SYSTEM PROCESSOR) (DMB07 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 pin (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 pin (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 in this set. (Fixed at H.)
24 HIRQ0 I Not used in this set. (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 in this set. (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 pin (inside core)
30 VDD — Power supply pin (+1.8 V) (inside core)
31 GND25 — Ground pin (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 pin (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 in this set. (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 pin (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 pin (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 pin (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 pin (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 pin (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 pin (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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