Table 11.3 Switching Of Internal Clock And Frc Operation - Renesas H8S Series Hardware Manual

Table 11.3 Switching of Internal Clock and FRC Operation

Timing of Switchover
by Means of CKS1
No. and CKS0 Bits
1 Switching from
low to low
2 Switching from
low to high
3 Switching from
high to low
FRC Operation
Clock before
switchover
Clock after
switchover
FRC clock
FRC N
CKS bit rewrite
Clock before
switchover
Clock after
switchover
FRC clock
FRC N
Clock before
switchover
Clock after
switchover
FRC clock
FRC N
Section 11 16-Bit Free-Running Timer (FRT)
N + 1
N + 1
CKS bit rewrite
*
N + 1
CKS bit rewrite
Rev. 3.00 Jul. 14, 2005 Page 303 of 986
N + 2
N + 2
REJ09B0098-0300