Renesas M16C/50 Series User Manual page 712

M16C/5L Group, M16C/56 Group
Write command code xx20h
Write xxD0h to BA address
Note:
1. An interrupt request is not accepted until td(SR-SUS) elapses after the interrupt request is
generated. Enable interrupts used to enter suspend mode beforehand.
Figure 26.12 Block Erase Flowchart in EW1 Mode (Suspend Function Enabled)
R01UH0127EJ0110 Rev.1.10
Sep 01, 2011
Start
I flag ← 0
Write 0 and then 1
to the FMR30 bit
to X address
I flag ← 1
NOP instruction × 6
FMR31 ← 0
FMR31 = 0 ?
Yes
Full status check
Block erase completed
Maskable interrupt
Interrupt
Access flash memory
disabled
Suspend
enabled
Interrupt
enabled
Command
restart
No
26. Flash Memory
(1)
REIT
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