Sony MEX-1HD Service Manual page 74

MEX-1HD
Pin No. Pin Name
70 SH_A14
71 D3.3V
72 SH_A15
SH_A16 to
73 to 77
SH_A20
78 SH_A21
79 DGND
80 SH_A22
81 D1.9V
82 SH_A23
83 DGND
84 SH_A24
85 D3.3V
86 SH_A25
87 XBS
88 XRD
89 XWE0/DQMLL
90 XWE1/DQMLU
91 XWE2/DQMUL
92 XWE3/DQMUU
93 RDXWR
94 XAUDSYNC
95 DGND
96 XCS0
97 D3.3V
98 XCS2
99 XCS3
100 XCS4
101 XCS5
102 XCS6
103 NC
104 XCE2B
105 CKE
106 XRAS3
107 NC
108 CASL
109 DGND
110 CASU
111 D3.3V
112, 113 NC
114 XDACK0
115 XDACK1
116, 117 NC
74
I/O
Address signal output to the CPU/ATA interface IC, memory stick interface IC,
O
64MB flash memory and 128MB SD-RAM
— Power supply terminal (+3.3V)
Address signal output to the CPU/ATA interface IC, memory stick interface IC and
O
64MB flash memory
O Address signal output to the CPU/ATA interface IC and 64MB flash memory
O Address signal output to the 64MB flash memory
— Ground terminal
O Address signal output to the 64MB flash memory
— Power supply terminal (+1.9V)
O Address signal output to the CPU/ATA interface IC
— Ground terminal
O Address signal output to the CPU/ATA interface IC
— Power supply terminal (+3.3V)
O Address signal output to the CPU/ATA interface IC
O Bus start signal output to the CPU/ATA interface IC
Read strobe signal output to the CPU/ATA interface IC, memory stick interface IC,
O
USB interface IC and 64MB flash memory
Write enable signal output to the CPU/ATA interface IC, memory stick interface IC,
O
USB interface IC, display controller and 128MB SD-RAM
Write enable signal output to the CPU/ATA interface IC, memory stick interface IC, and
O
128MB SD-RAM
O Write enable signal output terminal Not used
O Write enable signal output terminal Not used
Read/write signal output to the CPU/ATA interface IC, 64MB flash memory and
O
128MB SD-RAM
O Not used
— Ground terminal
O Chip select signal output to the 64MB flash memory
— Power supply terminal (+3.3V)
O Chip select signal output to the USB interface IC
O Chip select signal output to the 128MB SD-RAM
O Chip select signal output to the CPU/ATA interface IC
O Chip select signal output to the memory stick interface IC
O Chip select signal output to the display controller
O Not used
O Not used
O Clock enable signal output to the 128M SD-RAM
O Row address strobe signal output to the 128M SD-RAM
O Not used
O Column address strobe signal output to the 128M SD-RAM
— Ground terminal
O Column address strobe signal output terminal Not used
— Power supply terminal (+3.3V)
O Not used
O Acknowledge signal output to the USB interface IC
O Acknowledge signal output to the display controller
O Not used
Description