Figure 11.1 Block Diagram Of 8-Bit Timer - Hitachi H8S/2215 Series Hardware Manual

External clock source
TMCI01
Clock select
TMO0
TMRI01
Control logic
TMO1
A/D
conversion
start request
signal
Legend
TCORA_0: Time constant register A_0
TCORB_0: Time constant register B_0
TCNT_0: Timer counter_0
TCSR_0: Timer control/status register_0
TCR_0: Timer control register_0
Rev. 3.0, 10/02, page 328 of 686
Internal clock sources
ø/8
ø/64
ø/8192
Clock 1
Clock 0
Compare match A1
Compare match A0
Overflow 1
Overflow 0
Clear 0
Compare match B1
Compare match B0
CMIA0
CMIB0
OVI0
CMIA1
CMIB1
OVI1
Interrupt signals

Figure 11.1 Block Diagram of 8-Bit Timer

TCORA0 TCORA1
Comparator A0 Comparator A1
TCNT0 TCNT1
Clear 1
Comparator B0 Comparator B1
TCORB0 TCORB1
TCSR0 TCSR1
TCR0
TCORA_1: Time constant register A_1
TCORB_1: Time constant register B_1
TCNT_1: Timer counter_1
TCSR_1: Timer control/status register_1
TCR_1: Timer control register_1
TCR1