r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1122

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

21. Serial Communication Interface with FIFO (SCIF)
Rev.1.00 Jan. 10, 2008 Page 1092 of 1658
REJ09B0261-0100
Synchronization
clock
Serial data
SCIF_RXD
RDF
ORER
RXI interrupt
request
Bit 7
Figure 21.20 Example of SCIF Reception Operation
Data read from
SCFRDR and RDF flag
cleared to 0 by RXI
interrupt handler
Bit 0
LSB
One frame
MSB
Bit 7
RXI interrupt
request
Bit 0
Bit 1
BRI interrupt request
by overrun error
Bit 6
Bit 7