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Renesas rl78 User Manual

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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 
 
 
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Jul 04, 2013