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