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Pin
Port Name
No.
144 PB6/A14/UT1CTS
145 PB7/A15/UT1RTS
146 DVDD3
147 DVSS
148 PB8/UT1TXD/UT1IROUT
149 PB9/UT1RXD/UT1IRIN
150 PC0/A0/A16/TB4IN0
151 PC1/A1/A17/TB4IN1
152 PC2/A2/A18/TB5IN0
153 PC3/A3/A19/TB5IN1
154 VPP
155 PC4/A4/A20/GEMG1
156 PC5/A5/A21/MT1IN
157 PC6/A6/A22/MT1OUT0/MT1TBOUT
158 PC7/A7/A23/MT1OUT1/MT1TBIN
159 PC8/INTB/ALE
160 PC9/CS0/TBAOUT
161 PC10/CS1/TB6IN6
162 PC11/CS2/TB6IN1
163 PK0/UT0TXD/UT0IROUT
164 DVDD3
165 DVSS
166 PK1/UT0RXD/UT0IRIN
167 PK2/BELL/UT0DCD
168 PK3/BELH/UT0DSR
169 PK4/WR/UT0DTR
170 PK5/RD/UT0RIN
171 PK6/WAIT/UT0CTS
172 PK7/BCLK/UT0RTS
173 PK8/INTC/BOOT
174 PM0/SC7TXD
175 PM1/SC7RXD
176 PM2/SC7SCK/SC7CTS/TBEIN1
I/O
Related Power Supply
Function Name
A[14]
AC
A[15]
AC
DVDD3
DVSS
+3.3MS_PON
AC
DFF_FROM_N_RST AC
A[16]
AC
A[17]
AC
A[18]
AC
A[19]
AC
VPP
A[20]
AC
A[21]
AC
A[22]
AC
A[23]
AC
NCPU_N_INT
NCPU_PON
FPGA_N_CS
AC
FLASH_N_CS
AC
-
AC
HSW1_N_INT
HSW_PON
DVDD3
DVSS
HSWI2C_ON
HSW_PON
FHDMI_N_INT
HDMI_PON
NCPU_SPI_N_CS
NCPU_PON
MCBUS_N_WR
AC
MCBUS_N_RD
AC
NCPU_N_RST
NCPU_PON
USB_VBUS_PON
NCPU_PON
BOOT
DSP_MOSI
DSP_PON
DSP_MISO
DSP_PON
DSP_SCK
DSP_PON
Detail of Function
OFF
ON
O
B
External bus
O
B
External bus
---
---
Sleep system power supply control （Insurance assign for
O
O
Micro-compressor）
O
O
Reset of DFF and eternal ROM
O
B
External bus
O
B
External bus
O
B
External bus
O
B
External bus
---
O
B
External bus
O
B
External bus
O
B
External bus
O
B
External bus
O
I
Network CPU interrupt
O
B
External bus
O
B
External bus
O
O
No used
O
I
HDMI Switcher interrupt (Sii9589 INT)
---
---
O
O
HDMI Switcher I2C control (spare) (SiI9589/SiI9587）
O
I
FrontHDMI interrupt (SiI9587 INT)
O
O
Network CPU SPI chip select
O
B
External bus
O
B
External bus
O
O
Network CPU reset
O
O
USB VBUS power supply control
Boot
O
O
DSP/DIR transmission data
I
I
DSP/DIR reception data
O
O
DSP/DIR communication clock
RX-V681/RX-A760
79
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