HD6417021 Hitachi Semiconductor, HD6417021 Datasheet - Page 342

• Manufacturer Part Number: HD6417021
• Description: SuperH RISC engine
• Manufacturer: Hitachi Semiconductor

12.1.2
Figure 12.1 is the block diagram of the WDT.
12.1.3
Table 12.1 shows the pin configuration.
HITACHI 328
TCSR: Timer control/status register
TCNT: Timer counter
RSTCSR: Reset control/status register
Note:
reset signal*
WDTOVF
(interrupt
Internal
Block Diagram
signal)
Pin Configuration
The internal reset signal can be generated by setting the register. The type of reset can
be selected (power-on or manual resets).
ITI
RSTCSR
Interrupt
control
control
Reset
Figure 12.1 WDT Block Diagram
Overflow
Module bus
TCNT
Clock
WDT
select
Clock
TCSR
clock sources
Internal
interface
Bus
/2
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