43
TA-F501ES
109 to 113
MBUS STS0 to
—
Not used
MBUS STS4
114
VSS
—
Ground
115
VCC
—
Power supply (+3.3V)
116
DSP_MISO
I
Serial data input from the DSP or serial flash
117
DSP_MOSI
O
Serial data output to the DSP or serial flash
118
DSP_CLK
O
Serial data transfer clock signal output to the DSP
119
ILINK TX
I
UART communication transfer data input terminal Not used (Open)
120
ILINK RX
O
Abnormal current detection signal output terminal
121
ILINK RESET
O
System reset signal output terminal Not used (Open)
122
HDMI TX
I
Serial data input terminal Not used (Open)
123
HDMI RX
O
Serial data output terminal Not used (Open)
124
HDMI RESET
O
System reset signal output terminal Not used (Open)
125
FLASH SI
I
Serial data input terminal
126
FLASH SO
O
Serial data output terminal
127
ILINK CTS
O
Serial data transfer clock signal output terminal Not used (Open)
128
ILINK RTS
I
Serial data input terminal Not used (Open)
129
FL DATA
O
Serial data output to the fluorescent indicator tube
130
FL CLK
O
Serial data transfer clock signal output to the fluorescent indicator tube
131
NO USE
—
Not used (Open)
132
END FLAG
O
End flag output terminal Not used (Open)
133
RST TRG
O
Reset signal output terminal
134
NMIX
—
Not used
135
XA-OUT
—
Not used (Open)
136
VSS
—
Ground
137
XA-IN
—
Not used
138 to 140
MD2 to MD0
I
Model destination signal input terminal
141
X-IN
I
Main system clock input terminal (12.5 MHz)
142
VCC
—
Power supply (+3.3V)
143
X-OUT
O
Main system clock output terminal (12.5 MHz)
144
XRESET
I
System reset signal input terminal
145
VSS
—
Ground
—
Power supply (+3.3V)
O
Relay drive signal (for main power) output terminal Not used (Open)
O
Relay drive signal (for main power) output terminal Not used (Open)
I
Jog dial pulse input from the rotary encoder (for INPUT SELECT)
I
Jog dial pulse input from the rotary encoder (for VOLUME)
I
Headphone detection signal input terminal “H”: headphone is connected
O
LED drive signal output terminal
155
LED LAT
O
MIC on/off control signal output terminal
156
FL CLR
O
Clear signal output terminal Not used (Open)
157
FL LAT
O
Serial data latch pulse output to the fluorescent indicator tube
158, 159
SP-SW FA,
I
Front speaker selection switch input terminal Not used
SP-SW FB
160
SP-SW SA (A90)
O
LED drive signal output terminal Not used
161
SP-SW SB (A90)
O
LED drive signal output terminal Not used
162
VSS
—
Ground
163
VCC
—
Power supply (+3.3V)
Pin No.
Pin Name
I/O
Pin Description
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299