Samsung S3C6400X User Manual page 1005

UART
EXTERNAL INTERFACES
Name
XuRXD[0]
XuTXD[0]
XuCTSn[0]
XuRTSn[0]
XuRXD[1]
XuTXD[1]
XuCTSn[1]
XuRTSn[1]
XuRXD[2]
XuTXD[2]
XuRXD[3]
XuTXD[3]
Note: UART external pads are shared with other IPs like CFCON, IrDA and etc. In order to use these pads for
UART, GPIO must be set before the UART started. For more information refer to the GPIO chapter of this
manual for proper GPIO settings.
31-10
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Type Source/Destination
Input Pad
Output Pad
Input Pad
Output Pad
Input Pad
Output Pad
Input Pad
Output Pad
Input Pad
Output Pad
Input Pad
Output Pad
S3C6400 RISC MICROPROCESSOR
Description
Receive data for UART0
Transmit data for UART0
Clear to Send(active low) for UART0
Request to Send(active low) for UART0
Receive data for UART1
Transmit data for UART1
Clear to Send(active low) for UART1
Request to Send(active low) for UART1
Receive data for UART2
Transmit data for UART2
Receive data for UART3
Transmit data for UART3