Pioneer CB-A802, Service Manual

Page: 141 / 168

DVD-V8000
141
5 6 7 8
5 6
7
8
C
D
F
A
B
E
No. Pin Name I/O Pin Function
50 GND
−
Ground
51 XDREQ 1 O DMA request signal for OSD bit map transfer
52 XDACK10 I DMA acknowledge signal for OSD bit map transfer
53 MA3 O Address bus 3 for SDRAM
54 MA4 O Address bus 4 for SDRAM
55 MA2 O Address bus 2 for SDRAM
56 VDD18
−
Power supply (+ 1.8 V)
57 VDD33
−
Power supply (+ 3.3 V)
58 MA5 O Address bus 5 for SDRAM
59 MA1 O Address bus 1 for SDRAM
60 MA6 O Address bus 6 for SDRAM
61 MA0 O Address bus 0 for SDRAM
62 MA7 O Address bus 7 for SDRAM
63 MA10 O Address bus 10 for SDRAM
64 GND
−
Ground
65 MA8 O Address bus 8 for SDRAM
66 MBA1 O SDRAM bank selection 1
67 MA9 O Address bus 9 for SDRAM
68 MBA0 O SDRAM bank selection 0
69 MA11 O Address bus 11 for SDRAM
70 DCS O Not Used
71 VDD18
−
Power supply (+ 1.8 V)
72 VDD33
−
Power supply (+ 3.3 V)
73 DCS2 O Not Used
74 DCS3 O SDRAM chip select
75 DCS4 O Not Used
76 DCS5 O Not Used
77 RAS O RAS (Row Address Strobe) control signal of SDRAM
78 CAS O CAS (Column Address Strobe) control signal of SDRAM
79 MCLK O Operating clock of SDRAM
80 DWE O Write Enable signal of SDRAM
81 GND
−
Ground
82 DQMU O DQM control line (Upper Byte mask) of SDRAM
83 DQML O DQM control line (Lower Byte mask) of SDRAM
84 MD7 I/O Data bus 7 for SDRAM
85 MD8 I/O Data bus 8 for SDRAM
86 MD6 I/O Data bus 6 for SDRAM
87 MD9 I/O Data bus 9 for SDRAM
88 VDD18
−
Power supply (+ 1.8 V)
89 VDD33
−
Power supply (+ 3.3 V)
90 MD5 I/O Data bus 5 for SDRAM
91 MD10 I/O Data bus 10 for SDRAM
92 MD4 I/O Data bus 4 for SDRAM
93 MD11 I/O Data bus 11 for SDRAM
94 MD3 I/O Data bus 3 for SDRAM
95 MD12 I/O Data bus 12 for SDRAM
96 GND
−
Ground
97 MD2 I/O Data bus 2 for SDRAM
98 MD13 I/O Data bus 13 for SDRAM
99 MD1 I/O Data bus 1 for SDRAM
100 MD14 I/O Data bus 14 for SDRAM
101 MD0 I/O Data bus 0 for SDRAM
102 MD15 I/O Data bus 15 for SDRAM