Peripherals 6
miriac SBC-LS1043A2 User Manual
V 2.2
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© MicroSys Electronics GmbH 2017
6.7.3 USB3
USB port 3 is not a native USB port of the CPU but converted from UART1 by
means of a FT232RQ chip.
USB3 is available on an USB mini connector type B.
The port is used as the debug port of the LS1043A.
Part Reference:
ST5
Manufacturer:
Würth Elektronik
Type:
651 005 161 21
Used with:
Mini USB type B
cables
The following table shows the internal connections:
ST5
ST4
LS1043A
Pin
Signal
Pin
Signal
Pin
Name
1
Vbus+
B37
UART1-RXD
→
H2
UART1_SIN
2
D-
J1
B38
UART1-TXD
←
H1
UART1_SOUT
3
D+
B39
UART1-CTS#
→
J1
UART1_CTS#
4
ID
B40
UART1-RTS#
←
J2
UART1_RTS#
5
GND
Table 6-20 USB Host-Only Port 3 pin assignment
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