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GPIO1：
(2.0mm Pitch 2x5 Pin Header), General-purpose input/output port, it provides
a group of self-programming interfaces to customers for flexible use.
Signal Name
Ground
NC
SMB_CLK_R
SOC-GPIO23
SOC-GPIO24
USB_23：
(2.0mm Pitch 2x5 Pin Header), Front USB connector, it provides one USB port
via a dedicated USB cable, speed up to 480Mb/s.
Signal Name
5V_USB23
USB3_N
USB3_P
Ground
NC
Note:
Before connection, make sure that pinout of the USB Cable is in accordance
with that of the said tables. Any inconformity may cause system down and
even hardware damages.
JP5：
(2.0mm Pitch 2x3 Pin Header), COM3 setting jumper, pin 1~6 are used to select
signal out of pin 9 of COM3 port.
JP5 Pin#
Close 1-2
Close 3-4
Close 5-6
COM3：
(Type DB9), serial port, standard DB9 serial port is provided to make a direct
connection to serial devices. COM3 port is controlled by pins No.1~6 of JP5,
select output Signal RI or 5V or 12v, for details, please refer to description of
JP5.
Pin#
Pin#
1
2
3
4
5
6
7
8
9
10
Pin#
Pin#
1
2
3
4
5
6
7
8
9
10
Function
RI (Ring Indicator) (default)
COM3 Pin9=+5V (option)
COM3 Pin9=+12V (option)
Signal Name
NC
SMB_DATA_R
SOC-GPIO22
SOC-GPIO25
+5V
Signal Name
5V_USB23
USB2_N
USB2_P
Ground
Ground
50
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