75
MEX-1HD
Pin No.
Pin Name
I/O
Description
118
XRAS3U
O
Row address strobe signal output terminal Not used
119
NC
O
Not used
120
TDO
O
Serial data output terminal Not used
121
NC
O
Acknowledge signal output terminal Not used
122
XBREQ
I
Not used
123
XWAIT
I
Wait signal input from the CPU/ATA interface IC
124
RESET
I
Manual reset signal input terminal Not used
125
RE_LA
I
Rotary encoder dial pulse input terminal (Left/A phase input) Not used
126
XTMODE
I
Not used
127
XASEMDO
—
Not used
128
XASEBRKAK
—
Not used
129
DIAG
I
Not used
130
AUDATA3
I
Not used
131
AUDATA2
I
Not used
132
DGND
—
Ground terminal
133
AUDATA1
I
Not used
134
D1.9V
—
Power supply terminal (+1.9V)
135
AUDATA0
I
Not used
136
XTRST
I
Not used
137
TMS
I
Not used
138
TDI
I
Not used
139
TCK
I
Not used
140
RE_RA
I
Rotary encoder dial pulse input terminal (Right/A phase input) Not used
141
RE_RB
I
Rotary encoder dial pulse input terminal (Right/B phase input) Not used
142
DON'T USE0
—
Not used
143
DON'T USE1
—
Not used
144
MD0
I
Clock mode selection input terminal
145
D1.9V
—
Power supply terminal (+1.9V)
146
CAP1
—
Connected to the external capacitor for PLL2
147, 148
DGND
—
Ground terminal
149
CAP2
—
Connected to the external capacitor for PLL2
150
D1.9V
—
Power supply terminal (+1.9V)
151
AUDCK
O
Not used
152, 153
DGND
—
Ground terminal
154
D1.9V
—
Power supply terminal (+1.9V)
155
XTAL
O
Main system clock output terminal (33.3333MHz) Not used
156
EXTAL
I
Main system clock input terminal (33.3333MHz)
157, 158
NC
O
Not used
159
SA_CLK
O
Spectrum analyze data transfer clock signal output to the electrical volume
160
NC
O
Not used
161
DGND
—
Ground terminal
162
CKIO
O
System clock signal output to the CPU/ATA interface IC, complex programmable logic device
and 128MB SD-RAM
163
D3.3V
—
Power supply terminal (+3.3V)
164, 165
NC
O
Not used
166
TXD
O
Not used
167
NC
O
Not used
168
SUB_RXD
O
UART receive data output to the system controller “L” active
169, 170
NC
O
Not used
Содержание MEX-1HD - Audio Library System
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