656
RE= 0
Transition to software
standby mode, etc.
Read receive data in RDR
Read RDRF flag in SSR
Exit from software
standby mode, etc.
Change
operating mode?
No
RDRF= 1
Yes
Yes
<Reception>
No
[1]
[2]
RE= 1
Initialization
<Start of reception>
[1]
Receive data being received be-
comes invalid.
[2]
Includes module stop mode, watch
mode, subactive mode, and sub-
sleep mode.
Figure 16-28 Sample Flowchart for Mode Transition during Reception