HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 430

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 11 Watchdog Timer
11.1.2
Figure 11.1 shows a block diagram of the WDT.
Rev.3.00 Mar. 26, 2007 Page 388 of 772
REJ09B0355-0300
Internal reset signal*
Legend:
TCSR
TCNT
RSTCSR
Note: *
(interrupt request
Block Diagram
WDTOVF
: Timer control/status register
: Timer counter
: Reset control/status register
The type of internal reset signal depends on a register setting. Either power-on reset or manual
reset can be selected.
signal)
WOVI
Interrupt
RSTCSR
Figure 11.1 Block Diagram of WDT
control
control
Reset
Overflow
Module bus
TCNT
Clock
WDT
select
Clock
TSCR
Internal clock
sources
interface
Bus
/2
/64
/128
/512
/2048
/8192
/32768
/131072