h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 446

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 12 Watchdog Timer
12.1.2
Figures 12.1 (a) and 12.1 (b) show a block diagram of the WDT.
Rev. 5.00 Sep 22, 2005 page 420 of 1136
REJ09B0257-0500
Legend
TCSR
TCNT
RSTCSR
Note: *
Internal reset signal *
(interrupt request
The type of internal reset signal depends on a register setting.
Block Diagram
: Timer control/status register
: Timer counter
: Reset control/status register
WOVI0
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
/2
/64
/128
/512
/2048
/8192
/32768
/131072