Hitachi H8S/2378, H8S/2378R Series Hardware Manual page 636

16 bit single-chip microcomputer

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Figure 13.1 shows a block diagram of the 8-bit timer module (TMR_0 and TMR_1).

External clock source

start request

TCORA_0 : Time constant register A_0

TCORB_0 : Time constant register B_0

: Timer counter_0

: Timer control/status register_0

: Timer control register_0

Rev. 1.0, 09/01, page 592 of 904

Internal clock sources

Clock select

Compare match A1

Compare match A0

Compare match B1

Compare match B0

Control logic

Interrupt signals

Figure 13.1 Block Diagram of 8-Bit Timer Module

Comparator A_0

Comparator B_0

TCORA_1 : Time constant register A_1

TCORB_1 : Time constant register B_1

: Timer counter_1

: Timer control/status register_1

: Timer control register_1

Comparator A_1

Comparator B_1

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