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RL78/G1A CHAPTER 22 SAFETY FUNCTIONS
Figure 22-8. Flowchart of RAM Parity Check
<R>
No
No
No
Yes
Yes
Yes
Start of check
Normal
operation
Internal reset
generated
RPERF = 1
Note
Check RAM.
Parity error
generated?
RAM failure
processing
Disable parity error reset.
Read RAM.
Parity error
generation
checked
Enable parity
error reset.
RPERDIS = 1
Check RAM.
RPEF = 1
RPERDIS = 0
Note To check internal reset status using a RAM parity error, see CHAPTER 19 RESET FUNCTION.
R01UH0305EJ0200 Rev.2.00 779
Jul 04, 2013