Datasheet

Section 16 Serial Communication Interface with FIFO (SCIF)
Rev. 3.00 Sep. 28, 2009 Page 475 of 910
REJ09B0350-0300
Table 16.4 Interrupt Control Function
FIIR Setting/Clearing of Interrupt
INTID
2 1 0
INTPEND Priority Type of Interrupt Interrupt Source
Clearing of
Interrupt
0 0 0 1 ⎯ No interrupt None -
0 1 1 0 1 (high) Receive line status Overrun error,
parity error, framing
error, break
interrupt
FLSR read
0 1 0 0 2 Receive data ready Receive data
remaining,
FIFO trigger level
FRBR read or
receive FIFO is
below trigger
level.
1 1 0 0 2 Character timeout
(with FIFO enabled)
No data is input to
or output from the
receive FIFO for the
4-character time
period while one or
more characters
remain in the
receive FIFO.
FRBR read
0 0 1 0 3 FTHR empty FTHR empty FIIR read or
FTHR write
0 0 0 0 4 (low) Modem status CTS, DSR, RI, DCD FMSR read