H8S2110B RENESAS [Renesas Technology Corp], H8S2110B Datasheet - Page 210

• Manufacturer Part Number: H8S2110B
• Description: Renesas 16-Bit Single-Chip Microcomputer Renesas H8S Family/H8S/2100 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 9 16-Bit Free-Running Timer (FRT)
No.
3
4
Note: * Generated on the assumption that the switchover is a falling edge; FRC is incremented.
9.7.5
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 19, Power-Down Modes.
Rev. 2.00 Mar 21, 2006 page 172 of 518
REJ09B0299-0200
Timing of Switchover
by Means of CKS1
and CKS0 Bits
Switching from
high to low
Switching from
high to high
Module Stop Mode Setting
FRC Operation
Clock before
switchover
Clock after
switchover
FRC clock
FRC
Clock before
switchover
Clock after
switchover
FRC clock
FRC
N
N
CKS bit rewrite
N + 1
N + 1
*
N + 2
CKS bit rewrite
N + 2