HD6433308 Datasheet, PDF (166/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer

Table 6-4. Effect of Changing Internal Clock Sources (cont.)
No. Description
High → High:
CKS1 and CKS0 are
4
rewritten while both
clock sources are High.
Timing chart
Old clock
source
New clock
source
FRC clock
pulse
FRC
N
N +1
N+2
CKS rewrite
151