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Bit
Bit Name
1
OE
0
DR
Section 15 Serial Communication Interface with FIFO (SCIF)
Initial Value R/W
0
R
0
R
Description
Overrun Error
Indicates occurrence of an overrun error.
•
When the FIFO is disabled
When reception of the next data has been completed
without the receive data in FRBR having been read,
an overrun error occurs and the previous data is lost.
•
When the FIFO is enabled
When the FIFO is full and reception of the next data
has been completed, an overrun error occurs. The
FIFO data is retained, but the last received data is
lost.
0: No overrun error
[Clearing condition]
FLSR read
1: An overrun error
[Setting condition]
Occurrence of an overrun error
Data Ready
Indicates that receive data is stored in FRBR or the
FIFO.
0: No receive data
[Clearing condition]
FRBR is read or all of the FIFO data is read.
1: Receive data remains.
[Setting condition]
Reception of data
Rev. 1.00 Mar. 12, 2008 Page 521 of 1178
REJ09B0403-0100
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