HD6432633 Datasheet, PDF (818/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

<Reception>
Read RDRF flag in SSR
RDRF= 1
No [1]
Yes
Read receive data in RDR
[1] Receive data being received be-
comes invalid.
RE= 0
Transition to software
standby mode, etc.
Exit from software
standby mode, etc.
[2]
[2] Includes module stop mode, watch
mode, subactive mode, and sub-
sleep mode.
Change
operating mode?
Yes
Initialization
No
RE= 1
<Start of reception>
Figure 16-28 Sample Flowchart for Mode Transition during Reception
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