193
Table 9.11
Internal Clock Switching and TCG Operation (cont)
No.
Clock Levels Before
and After Modifying
Bits CKS1 and CKS0
TCG Operation
3
Goes from high level
to low level
N +1
N
N +2
*
Clock before
switching
Clock after
switching
Count clock
TCG
CKS bits modified
4
Goes from high level
to high level
N +1
N +2
N
Clock before
switching
Clock after
switching
Count clock
CKS bits modified
TCG
Note:
*
The switchover is seen as a falling edge of the clock pulse, and TCG is incremented.