Renesas H8S/2111B Hardware Manual page 219

Figures 10.1 to 10.3 show block diagrams of 8-bit timers.
Internal clock
External clock
sources
sources
TMCI0
TMCI1
Clock select
TMO0
TMRI0
Control logic
TMO1
TMRI1
[Legend]
Time constant register A_0
TCORA_0:
Time constant register B_0
TCORB_0:
Timer counter_0
TCNT_0:
Timer control/status register_0
TCSR_0:
Timer control register_0
TCR_0:
Figure 10.1 Block Diagram of 8-Bit Timer (TMR_0 and TMR_1)
TMR_0
φ/2, φ/8, φ/32, φ/64, φ/256, φ/1024
TMR_1
φ/2, φ/8, φ/64, φ/128, φ/1024, φ/2048
Clock 1
Clock 0
Compare-match A1
Compare-match A0 Comparator A_0
Overflow 1
Overflow 0
Clear 0
Compare-match B1
Compare-match B0 Comparator B_0
Interrupt signals
CMIA0
CMIB0
OVI0
CMIA1
CMIB1
OVI1
Time constant register A_1
TCORA_1:
Time constant register B_1
TCORB_1:
Timer counter_1
TCNT_1:
Timer control/status register_1
TCSR_1:
Timer control register_1
TCR_1:
TCORA_0 TCORA_1
Comparator A_1
TCNT_0 TCNT_1
Clear 1
Comparator B_1
TCORB_0 TCORB_1
TCSR_0 TCSR_1
TCR_0
Rev. 1.00, 05/04, page 185 of 544
TCR_1