Datasheet

Section 15 Serial Communication Interface (SCI, IrDA)
R01UH0309EJ0500 Rev. 5.00 Page 947 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
RE = 0
Transition to software
standby mode
Read receive data in RDR
Read RDRF flag in SSR
Exit from software
standby mode
Change
operating mode?
No
RDRF = 1
Yes
Yes
<Reception>
No [1]
[2]
RE = 1Initialization
<Start of reception>
[1] Receive data being received
becomes invalid.
[2] Includes setting of module
stop state.
Figure 15.39 Sample Flowchart for Mode Transition during Reception