HD6432621 Hitachi, HD6432621 Datasheet - Page 443

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

(Interrupt request signal)
Internal reset signal*
Interrupt request signal
Internal NMI
WOVI1
Legend:
TCSR :
TCNT :
Note: * An internal reset signal can be generated by setting the register.
BUZZ
Timer control/status register
Timer counter
Figure 12-1 (b) Block Diagram of WDT1
Interrupt
control
control
Reset
Overflow
Module bus
TCNT
Clock
WDT
select
Clock
TCSR
Internal clock
ø/2
ø/64
ø/128
ø/512
ø/2048
ø/8192
ø/32768
ø/131072
interface
Bus
øSUB/2
øSUB/4
øSUB/8
øSUB/16
øSUB/32
øSUB/64
øSUB/128
øSUB/256
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