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Pin No.
Pin Name
123
124
125
126
USB_INT
127
128
129
130
BD_XTACN
131
EM_A (_14)
132
133
134
135
BD_XRST
136
EM_A (_15),
137, 138
EM_A (_16)
139
140
141
142
143
EM_A (_17)
144
TE
L 13942296513
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.
http://www.xiaoyu163.com
I/O
CVDD
-
Power supply terminal (+1.2V)
VSS
-
Ground terminal
DVDD
-
Power supply terminal (+3.3V)
I
Interrupt signal input from the USB interface
AC_DET
I
Power failure detection input from the system controller
CVDD
-
Power supply terminal (+1.2V)
VSS
-
Ground terminal
O
Oscillation circuit on/off control signal output to the digital servo
O
Address signal output to the fl ash memory
CVDD
-
Power supply terminal (+1.2V)
VSS
-
Ground terminal
SDTO_I
O
Audio serial data output to the A/D converter and D/A converter
O
Reset signal output to the digital servo
DVDD
-
Power supply terminal (+3.3V)
O
Address signal output to the fl ash memory
ACLKR0
-
Not used
VSS
-
Ground terminal
AFSR0
-
Not used
BCKO
O
Bit clock signal output to the A/D converter and D/A converter
O
Address signal output to the fl ash memory
LRCKO
O
L/R sampling block signal output to the A/D converter and D/A converter
x
ao
y
i
http://www.xiaoyu163.com
8
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3
6 7
1 3
u163
.
HCD-GTX999
2 9
9 4
2 8
Description
"L": reset
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
57
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