Hitachi H8/500 Series - Effect of Changing Internal Clock Sources

Table 10-5 Effect of Changing Internal Clock Sources (cont)
No. Description Timing Chart
4 High → High:
CKS1 and CKS0 are
rewritten while both
clock sources are High.
CKS rewrite
Old clock
source
New clock
source
FRC clock
pulse
FRC
N N + 1 N + 2
205
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