76
MEX-1HD
Pin No.
Pin Name
I/O
Description
171, 172
RXD0, RXD2
I
Not used
173
DGND
—
Ground terminal
174
SUB_TXD
I
UART transmit data input from the system controller “L” active
175
D1.9V
—
Power supply terminal (+1.9V)
176 to
178
NC
—
Not used
179
XIDE_RST
O
Reset signal output terminal for the CD DSP “L” reset
180
MS_PWR
O
Memory stick power supply on/off control signal output terminal
“H”: memory stick power on
181
DGND
—
Ground terminal
182
NC
O
Not used
183
D3.3V
—
Power supply terminal (+3.3V)
184
NC
O
Not used
185
XUSB_RST
O
Reset signal output for the USB interface IC “L” reset
186
XHB_RST
O
Reset signal output for the DSP “L” reset
187
XHB_RST
O
Reset signal output for the memory stick interface IC “L” reset
188
SH_WDT
O
Watch dog timer detection signal output to the system controller
189
XFAIL
O
Rewriting failure detection terminal “L” rewriting failure Not used
190
D_MUTING
O
Muting on/off control signal output “L”: muting on
191
XDREQ0
I
DMA request signal input from the USB interface IC
192
XDREQ1
I
DMA request signal input from the display controller
193
XRST_SYS
I
System reset signal input from the system controller
194
CA
I
Chip active signal input terminal
195 to
197
MD3 to MD5
I
Clock mode selection input terminal
198
DGND
—
Ground terminal
199
USB_VCCD
I
Not used
200
SA_DATA
I
Spectrum analyze data input from the electrical volume
201
RE_LB
I
Rotary encoder dial pulse input terminal (left/B phase input) Not used
202 to
204
NC
I
Not used
205
D3.3V
—
Power supply terminal (+3.3V)
206, 207
NC
I
Not used
208
DGND
—
Ground terminal
Содержание MEX-1HD - Audio Library System
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