Module Stop Mode Setting - Renesas H8S/2111B Hardware Manual

Timing of Switchover
by Means of CKS1
No. and CKS0 Bits
3 Switching from
high to low
4 Switching from
high to high
Note: * Generated on the assumption that the switchover is a falling edge; FRC is incremented.
9.7.5

Module Stop Mode Setting

FRT operation can be enabled or disabled using the module stop control register. The initial
setting is for FRT operation to be halted. Register access is enabled by canceling the module stop
mode. For details, refer to section 20, Power-Down Modes.
FRC Operation
Clock before
switchover
Clock after
switchover
FRC clock
FRC N
Clock before
switchover
Clock after
switchover
FRC clock
FRC N
*
N + 1 N + 2
CKS bit rewrite
N + 1 N + 2
CKS bit rewrite
Rev. 1.00, 05/04, page 181 of 544