SH7032 Datasheet, PDF (412/687 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Section 13 Serial Communication Interface (SCI)
Initialization
(1)
Start receiving
Read the ORER, PER, and
FER bits in SSR
PER, FER, ORER = 1?
No
Yes
(2)
Error handling
Read the RDRF bit in SSR (3)
No
RDRF = 1?
Yes
Read the RDR's receive data and
clear the RDRF bit in SSR to 0
(4)
No
Total count received?
Yes
Clear the RE bit in SCR to 0
Reception ends
Figure 13.7 Sample Flowchart for Receiving Serial Data
Rev. 7.00 Jan 31, 2006 page 386 of 658
REJ09B0272-0700