Module Stop Mode Setting - Renesas H8S Series Hardware Manual

Section 11 16-Bit Free-Running Timer (FRT)
Timing of Switchover
by Means of CKS1
No. and CKS0 Bits
4 Switching from
high to high
Note: Generated on the assumption that the switchover is a falling edge; FRC is incremented.
*
11.7.5

Module Stop Mode Setting

FRT operation can be enabled or disabled by the module stop control register. In the initial state,
FRT operation is disabled. Access to FRT registers is enabled when module stop mode is
cancelled. For details, see section 24, Power-Down Modes.
Rev. 3.00 Jul. 14, 2005 Page 304 of 986
REJ09B0098-0300
FRC Operation
Clock before
switchover
Clock after
switchover
FRC clock
FRC N N + 1 N + 2
CKS bit rewrite