SH7710 Datasheet, PDF (621/996 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 16 Serial Communication Interface with FIFO (SCIF)
Figure 16.17 shows an example of the SCIF receive operation.
Serial
clock
Serial
data
RDF
ORER
LSB
Bit 7 Bit 0
MSB
Bit 7 Bit 0
Bit 1
Bit 6
Bit 7
RXI
request
RXI handling
routine reads data
of SCFRDR and
clears RDF flag to 0
RXI
request
1 frame
BRI request generated
by overrun error
Figure 16.17 Example of the SCIF Receive Operation
Rev. 2.00 Dec. 07, 2005 Page 579 of 950
REJ09B0079-0200