Datasheet

Section 16 Serial Communication Interface with FIFO (SCIF)
Rev. 3.00 Sep. 28, 2009 Page 483 of 910
REJ09B0350-0300
Bit Bit Name Initial Value R/W Description
1 OE 0 R 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
0 DR 0 R 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