Hitachi H8/500 Series - Block Diagram; Block Diagram of 8-Bit Timer

11.1.2 Block Diagram
Figure 11-1 shows a block diagram of 8-bit timer.
Compare-match B
Clear
Overflow
Clock
Compare-match A
Internal clocksExternal clocks
TMCI
TMO
TMRI
Clock select
ø/8
ø/64
ø/1024
Control
logic
TCORA
Comparator A
TCNT
Comparator B
TCORB
TCSR
TCR
CMIA
CMIB
OVI
Interrupt signals
Bus interface
Module
data
bus
Internal
data bus
TCORA:
TCORB:
TCNT:
TCSR:
TCR:
Time Constant Register A
Time Constant Register B
Timer Counter
Timer Control/Status Register
Timer Control Register
Figure 11-1 Block Diagram of 8-Bit Timer
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