h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 476

• Manufacturer Part Number: h8s-2635
• 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 block diagrams of the WDT.
Rev. 6.00 Feb 22, 2005 page 416 of 1484
REJ09B0103-0600
Internal reset signal
Legend:
TCSR:
TCNT:
RSTCSR:
Notes: 1. The type of internal reset signal depends on a register setting.
(interrupt request
2. In the U-mask and W-mask versions, and H8S/2635 Group, φ in subactive and subsleep modes
Block Diagram
Timer control/status register
Timer counter
Reset control/status register
operates as φSUB.
WOVI 0
signal)
*1
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
φ/2
φ/64
φ/128
φ/512
φ/2048
φ/8192
φ/32768
φ/131072
*2
*2
*2
*2
*2
*2
*2
*2