Table 11-5 Effect of Changing Internal Clock Sources (cont)
No. Description Timing Chart
2Low → High
*
1
:
CKS1 and CKS0 are
rewritten while old
clock source is Low and
new clock source is High.
3 High → Low
*
2
:
CKS1 and CKS0 are
rewritten while old
clock source is High and
new clock source is Low.
Note: *1 Including a transition from the stopped state to High.
*2 Including a transition from High to the stopped state.
*3 The switching of clock sources is regarded as a falling edge that increments the TCNT.
CKS rewrite
Old clock
source
New clock
source
TCNT clock
pulse
TCNT
N N + 1 N + 2
CKS rewrite
Old clock
source
New clock
source
TCNT clock
pulse
TCNT
N N + 1 N + 2
*3
224
Downloaded from Elcodis.com electronic components distributor
To Next Page
Loading...
