p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 279

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Table 11.3 Switching of Internal Clock and FRC Operation
No.
1
2
3
Timing of Switchover
by Means of CKS1
and CKS0 Bits
Switching from
low to low
Switching from
low to high
Switching from
high to low
FRC Operation
Clock before
switchover
Clock after
switchover
FRC clock
FRC
Clock before
switchover
Clock after
switchover
FRC clock
FRC
Clock before
switchover
Clock after
switchover
FRC clock
FRC
N
N
N
CKS bit rewrite
Section 11 16-Bit Free-Running Timer (FRT)
Rev. 1.00 Sep. 21, 2006 Page 241 of 658
N + 1
CKS bit rewrite
N + 1
CKS bit rewrite
*
N + 1
N + 2
N + 2
REJ09B0310-0100