UART0_​RXD

I

UART 0 Receive Data

UART0_​TXD

O

UART 0 Transmit Data

UART0_​RTS_​N

O

UART 0 Request to Send

UART0_​CTS_​N

I

UART 0 Clear to Send

UART0A_​RXD

I

Alternate muxing of UART 0 Receive Data

UART0A_​TXD

O

Alternate muxing of UART 0 Transmit Data

UART0A_​RTS_​N

O

Alternate muxing of UART 0 Request to Send

UART0A_​CTS_​N

I

Alternate muxing of UART 0 Clear to Send

UART1_​RXD

I

UART 1 Receive Data

UART1_​TXD

O

UART 1 Transmit Data

UART1_​RTS_​N

O

UART 1 Request to Send

UART1_​CTS_​N

I

UART 1 Clear to Send

UART2_​RXD

I

UART 2 Receive Data

UART2_​TXD

O

UART 2 Transmit Data

UART2_​RTS_​N

O

UART 2 Request to Send

UART2_​CTS_​N

I

UART 2 Clear to Send