SH7709S Datasheet, PDF (550/807 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series

Start
Initialize
(1)
Start of reception
ORER = 0 or PER = 0?
Yes
(2)
No
No
RDRF = 1?
(3)
Yes
Write receive data from
SCRDR and clear
(4)
RDRF flag in SCSSR to 0
No
All data received?
(5)
Yes
Clear RE bit in SCSCR to 0
(6)
Error handling
End of reception
Note: Numbers in parentheses refer to steps in the preceding procedure description.
Figure 15.7 Reception Flowchart (Example)
Rev. 5.00, 09/03, page 506 of 760