SH7763 Datasheet, PDF (1238/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 28 Serial Communication Interface with FIFO/IrDA Interface (SCIF/IrDA)
Figure 28.18 shows an example of the operation for reception in clocked synchronous mode.
Synchronization
clock
Serial data
SCIF_RXD
RDF flag
LSB
Bit 7 Bit 0
MSB
Bit 7 Bit 0 Bit 1
Bit 6 Bit 7
ORER flag
RXI
interrupt
request
Data read from RXI interrupt
SCFRDR and RDF _request
flag cleared to 0 by
RXI interrupt handler
One frame
BRI interrupt request
by overrun error
Figure 28.18 Sample SCIF Reception Operation in Clocked Synchronous Mode
Rev. 1.00 Oct. 01, 2007 Page 1172 of 1956
REJ09B0256-0100