HD6432621 Hitachi, HD6432621 Datasheet - Page 442
HD6432621
Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432621.pdf
(1069 pages)
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12.1.2
Figures 12-1 (a) and 12-1 (b) show block diagrams of the WDT.
398
Legend
TCSR
TCNT
RSTCSR
Note: * The type of internal reset signal depends on a register setting.
Internal reset signal *
(interrupt request
Block Diagram
: Timer control/status register
: Timer counter
: Reset control/status register
WDTOVF
WOVI 0
signal)
Figure 12-1 (a) Block Diagram of WDT0
RSTCSR
Interrupt
control
control
Reset
Overflow
Module bus
TCNT
Clock
WDT
select
Clock
TSCR
Internal clock
sources
interface
Bus
ø/2
ø/64
ø/128
ø/512
ø/2048
ø/8192
ø/32768
ø/131072
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