HD6413008F RENESAS [Renesas Technology Corp], HD6413008F Datasheet - Page 354

• Manufacturer Part Number: HD6413008F
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
• Manufacturer: RENESAS [Renesas Technology Corp]

11. Watchdog Timer
11.1.2
Figure 11.1 shows a block diagram of the WDT.
11.1.3
Table 11.1 describes the WDT output pin.
Table 11.1 WDT Pin
Name
Reset output
Note:
Rev.4.00 Aug. 20, 2007 Page 310 of 638
REJ09B0395-0400
Interrupt signal
Reset
(internal, external)
Legend:
TCNT:
TCSR:
RSTCSR:
* Open-drain output.
Block Diagram
Pin Configuration
Timer counter
Timer control/status register
Reset control/status register
Abbreviation
RESO
(interval timer)
Reset control
Figure 11.1 WDT Block Diagram
RSTCSR
Interrupt
I/O
Output*
control
Overflow
Function
External output of the watchdog timer reset signal
Clock
selector
TCNT
TCSR
Clock
Internal clock sources
φ/2
φ/32
φ/64
φ/128
φ/256
φ/512
φ/2048
φ/4096
control
Read/
write
Internal
data bus