HD6432670 Hitachi, HD6432670 Datasheet - Page 664

• Manufacturer Part Number: HD6432670
• Description: (HD64F267x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Table 13.5 Switching of Internal Clock and TCNT Operation
No.
1
2
3
Rev. 2.0, 04/02, page 618 of 906
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*
1
2
3
TCNT Clock Operation
Clock before
switchover
Clock after
switchover
TCNT clock
TCNT
Clock before
switchover
Clock before
swichover
Clock after
switchover
TCNT clock
TCNT
Clock after
swichover
TCNT clock
TCNT
N
N
N
CKS bit write
N + 1
CKS bit write
N + 1
CKS bit write
N + 1
*
4
N + 2
N + 2