Renesas H8S/2100 Series Hardware Manual page 443

Section 14 Serial Communication Interface (SCI)
Start
Initialization
Start reception
ORER = 0
No
and PER = 0
Yes
Error processing
No
RDRF = 1
Yes
Read data from RDR and
clear RDRF flag in SSR to 0
No
All data received
Yes
Clear RE bit in SCR to 0
Figure 14.30 Sample Reception Flowchart
Rev. 1.00 May 09, 2008 Page 417 of 954
REJ09B0462-0100