SH7261 Datasheet, PDF (655/1348 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series

Section 13 8-Bit Timers (TMR)
Table 13.5 Switching of Internal Clock and TCNT Operation
Timing to Change CKS1
No.
and CKS0 Bits
TCNT Clock Operation
1
Switching from low to low*¹
Clock before
switchover
Clock after
switchover
TCNT input
clock
TCNT
N
N+1
CKS bits changed
2
Switching from low to high*²
Clock before
switchover
Clock after
switchover
TCNT input
clock
TCNT
N
3
Switching from high to low*³ _{Clock before}
switchover
Clock after
switchover
TCNT input
clock
N+1
N+2
CKS bits changed
*⁴
TCNT
N
N+1
N+2
CKS bits changed
Rev. 2.00 Sep. 07, 2007 Page 623 of 1312
REJ09B0320-0200