Renesas H8S/2100 Series Hardware Manual page 342

Section 12 8-Bit Timer (TMR)
Figures 12.1 and 12.2 show block diagrams of 8-bit timers.
An input capture function is added to TMR_X.
External clock sources
TMI0 (TMCI0)
TMI1 (TMCI1)
Clock selection
TMO0
TMI0 (TMRI0)
TMO1
TMI1 (TMRI1)
[Legend]
TCORA_0:
TCORB_0:
TCNT_0:
TCSR_0:
TCR_0:
Figure 12.1 Block Diagram of 8-Bit Timer (TMR_0 and TMR_1)
Rev. 1.00 May 09, 2008 Page 316 of 954
REJ09B0462-0100
Internal clock sources
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
Overflow 1
Overflow 0
Compare-match B1
Compare-match B0
Control logic
Interrupt signals
CMIA0
CMIB0
OVI0
CMIA1
CMIB1
OVI1
Time constant register A_0
Time constant register B_0
Timer counter_0
Timer control/status register_0
Timer control register_0
TCORA_0
Comparator A_0
TCNT_0
Clear 0
Clear 1
Comparator B_0
TCORB_0
TCSR_0
TCR_0
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_1
Comparator A_1
TCNT_1
Comparator B_1
TCORB_1
TCSR_1
TCR_1