Sony HCD-NXM4D, Руководство по обслуживанию, Страница: 67 / 114

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HCD-NXM4D
• IC Pin Function Descriptions
• IC207 ZIVA5X-C2F (DVD SYSTEM PROCESSOR) (DMB07 BOARD)
Pin No. Pin Name I/O Description
1 VDDP — Power supply terminal (+3.3V) (I/O signal)
2 HA1 I/O Address bus
3 to 11 HD15 to HD7 I/O Data bus (address signal multiplexed)
12 VDDP — Power supply terminal (+3.3V) (I/O signal)
13 GNDP — Ground terminal (I/O signal)
14 to 19 HD6 to HD1 I/O Data bus (address signal multiplexed)
20 VDDP — Power supply terminal (+3.3V) (I/O signal)
21 GNDP — Ground terminal (I/O signal)
22 HD0 I/O Data bus (address signal multiplexed)
23 HDTACK I/O Acknowledge signal input/output for host data transfer (not used)
24 HIRQ0 I Interrupt signal input for Medusa (not used)
25 WEH.UDS I/O Host upper data strobe signal output (not used)
26 WEL.LDS I/O Host lower data strobe signal output (not used)
27 HREAD I/O Read/write strobe signal output (not used)
28 GPIO0 I/O Jig detection port (pull-up)
29 GND — Ground terminal (inside core)
30 VDD — Power supply terminal (+1.8V) (inside core)
31 GND25 — Ground terminal (SDRAM I/O signal)
32 VDD25 — Power supply terminal (+3.3V) (SDRAM I/O signal)
33 to 42 MA9 to MA0 O SDRAM address bus
43 GND25 — Ground terminal (SDRAM I/O signal)
44 VDD25 — Power supply terminal (+3.3V) (SDRAM I/O signal)
45, 46 MA10,MA11 O SDRAM address bus
47 BA1 O SDRAM bank select 1 signal output
48 BA0 O SDRAM bank select 0 signal output
49 MCS0 O SDRAM chip select 0 signal output
50 MCS1 O Not used
51 MRAS O SDRAM row address strobe signal output
52 MCAS O SDRAM column address strobe signal output
53 MWE O SDRAM write enable signal output (“H” : read, “L” : write)
54 GND25 — Ground terminal (SDRAM I/O signal)
55 VDD25 — Power supply terminal (+3.3V) (SDRAM I/O signal)
56 MCLK O SDRAM Clock output
57 to 60 MD0 to MD3 I/O SDRAM data
61 GND25 — Ground terminal (SDRAM I/O signal)
62 MDQM0 O Byte read /write mask signal 0 output
63 VDD25 — Power supply terminal (+3.3V) (SDRAM I/O signal)
64 to 71 MD6 to MD11 I/O SDRAM data
72 GND25 — Ground terminal (SDRAM I/O signal)
73 MDQM1 O Byte read /write mask signal 1 output
74 VDD25 — Power supply terminal (+3.3V) (SDRAM I/O signal)
75 to 78 MD12 to MD15 I/O SDRAM data
79 GND — Ground terminal (inside core)
80 VDD — Power supply terminal (+1.8V) (inside core)
81 to 84 MD16 to MD19 I/O SDRAM data
85 GND25 — Ground terminal (SDRAM I/O signal)
86 MDQM2 O Byte read /write mask signal 2 output
87 VDD25 — Power supply terminal (+3.3V) (SDRAM I/O signal)
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