Alinx AX7050 User Manual page 41

Spartan-7 FPGA Development Board AX7050 User Manual
U6
U8
Micro USB
UART_TXD
FPGA
D11
RXD
VBUS
REGIN
Spartan7 CP2102
UART_RXD
D+/-
B16
TXD
Figure 3-6-1: USB to serial port schematic
Figure 3-6-2: USB to serial port on the Carrier Board
At the same time, two LED indicators are set for the serial port signal, and
the silkscreen on the PCB is TX and RX, indicating that the serial port has data
transmission or reception, as shown in the following Figure 3-7-3
Figure 3-6-3: Serial Port communication LED Indicators Schematic
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