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S3C6400 RISC MICROPROCESSOR
Time
Sequence Flow
#0
When no character is read out
#1
A, B, C, D, and E is received
#2
After A is read out
#3
After B is read out
#4
After C is read out
#5
After D is read out
#6
After E is read out
Rx FIFO
-
-
-
-
-
-
-
-
-
-
-
'E'
'D'
'C'
'B'
'A'
Figure 31-3 Example showing UART Receiving 5 Characters with 2 Errors
INFRA-RED (IR) MODE
The S3C6400 UART block supports infra-red (IR) transmission and reception, which can be selected by setting
the Infra-red-mode bit in the UART line control register (ULCONn). Figure 31-4 illustrates how to implement the
IR mode.
Error Interrupt
-
-
The frame error (in B) interrupt occurs.
-
The parity error (in D) interrupt occurs.
-
-
URXHn
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.
Error Status FIFO
break error parity error frame error
UERSTATn
Error Status Generator Unit
UART
Note
The 'B' has to be read out.
The 'D' has to be read out.
31-7
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