SH7055S Datasheet, PDF (547/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

Initialization
1
Start of reception
Read ORER bit in SSR
Yes
ORER = 1?
No
Read RDRF bit in SSR
3
No
RDRF = 1?
Yes
Read receive data from RDR
and clear RDRF bit in SSR to 0 ⁴
2
Error handling
No
All data received?
Yes
Clear RE bit in SCR to 0
End of reception
Figure 15.21 Sample Flowchart for Serial Receiving (1)
Rev.2.0, 07/03, page 509 of 960