HD64F38024HV Datasheet, PDF (273/684 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip Microcomputer H8 Family/H8/300L Super Low Power Series

Section 9 Timers
Bits 3 to 0—Internal Clock Select (TMA3 to TMA0)
Bits 3 to 0 select the clock input to TCA. The selection is made as follows.
Bit 3
TMA3
0
1
Bit 2
TMA2
0
1
0
1
Bit 1
TMA1
0
1
0
1
0
1
0
1
Bit 0
TMA0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Description
Prescaler and Divider Ratio
or Overflow Period
Function
PSS, φ/8192
(initial value) Interval timer
PSS, φ/4096
PSS, φ/2048
PSS, φ/512
PSS, φ/256
PSS, φ/128
PSS, φ/32
PSS, φ/8
PSW, 1 s
Clock time
PSW, 0.5 s
base
PSW, 0.25 s
(when using
PSW, 0.03125 s
32.768 kHz)
PSW and TCA are reset
Rev. 8.00 Mar. 09, 2010 Page 251 of 658
REJ09B0042-0800