I/O Description - Samsung S5PC110 Manual

S5PC110_UM

1.5 I/O DESCRIPTION

Signal
UART_0_RXD
UART_0_TXD
UART_0_CTSn
UART_0_RTSn
UART_1_RXD
UART_1_TXD
UART_1_CTSn
UART_1_RTSn
UART_2_RXD
UART_2_TXD
UART_2_CTSn
UART_2_RTSn
UART_3_RXD
UART_3_TXD
NOTE: Type field indicates whether pads are dedicated to the signal or pads are connected to the multiplexed signals.
UART external pads are shared with IrDA. In order to use these pads, GPIO must be set before the start of UART.
Please refer to Section 2-2 GPIO for exact settings
I/O
Input Receives Data for UART0
Output Transmits Data for UART0
Input Clears to Send(active low) for UART0
Output Requests to Send(active low) for UART0
Input Receives Data for UART1
Output Transmits Data for UART1
Input Clears to Send(active low) for UART1
Output Requests to Send(active low) for UART1
Input Receives Data for UART2
Output Transmits Data for UART2
Input Clears to Send(active low) for UART2
Output Requests to Send(active low) for UART2
Input Receives Data for UART3
Output Transmits Data for UART3
1 UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
Description Pad Type
XuRXD[0] muxed
XuTXD[0] muxed
XuCTSn[0] muxed
XuRTSn[0] muxed
XuRXD[1] muxed
XuTXD[1] muxed
XuCTSn[1] muxed
XuRTSn[1] muxed
XuRXD[2] muxed
XuTXD[2] muxed
XuRXD[3] muxed
XuTXD[3] muxed
XuRXD[3] muxed
XuTXD[3] muxed
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