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S3C2440A RISC MICROPROCESSOR UART
11-17
UART ERROR STATUS REGISTER
There are three UART Rx error status registers including UERSTAT0, UERSTAT1 and UERSTAT2 in the UART
block.
Register Address R/W Description Reset Value
UERSTAT0 0x50000014 R UART channel 0 Rx error status register 0x0
UERSTAT1 0x50004014 R UART channel 1 Rx error status register 0x0
UERSTAT2 0x50008014 R UART channel 2 Rx error status register 0x0
UERSTATn Bit Description Initial State
Break Detect [3] Set to 1 automatically to indicate that a break signal has been
received.
0 = No break receive
1 = Break receive (Interrupt is requested.)
0
Frame Error [2] Set to 1 automatically whenever a frame error occurs during
receive operation.
0 = No frame error during receive
1 = Frame error (Interrupt is requested.)
0
Parity Error [1] Set to 1 automatically whenever a parity error occurs during
receive operation.
0 = No parity error during receive
1 = Parity error (Interrupt is requested.)
0
Overrun Error [0] Set to 1 automatically whenever an overrun error occurs during
receive operation.
0 = No overrun error during receive
1 = Overrun error (Interrupt is requested.)
0
Note
These bits (UERSATn[3:0]) are automatically cleared to 0 when the UART error status register is read.