Uart0 Registers(Base Address: 0X4000_C000); Uart0Dr (Uart0 Data Register) - Wiznet W7500 Reference Manual

Figure 52 shows how software should use the RTS/CTR.
CTS of UARTxFR =0?
Send Tx da ta
BUSY of UARTxFR =1?

25.4 UART0 Registers(Base address: 0x4000_C000)

UART0DR (UART0 Data Register)

Address offset: 0x000
Reset value: 0x0000_0000
The UART0DR is the data register.
W7500x Reference Manual Version1.1.0
Initia l setting
Set RTS/CTS of UARTxCR
Set FEN of UARTxLCR_H
Set RxSel/TxSel of UARTxIFLS
TX
Yes
Yes
No
No
Figure 52. Algorithm for setting CTS/RTS flowchart
RX
RXFE of UARTxFR =0?
receive Rx da ta
END
No
Yes
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