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HD64F2328VTE25 Datasheet, PDF (450/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents | |||
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Section 11 Watchdog Timer
11.1.2 Block Diagram
Figure 11.1 shows a block diagram of the WDT.
WOVI
(interrupt request
signal)
WDTOVF*1
Internal reset signal*2
Interrupt
control
Reset
control
Overflow
Clock
Clock
select
Ï/2
Ï/64
Ï/128
Ï/512
Ï/2048
Ï/8192
Ï/32768
Ï/131072
Internal clock
sources
RSTCSR
TCNT
TSCR
Module bus
Bus
interface
WDT
Legend:
TCSR: Timer control/status register
TCNT: Timer counter
RSTCSR: Reset control/status register
Notes: 1. The WDTOVF output function is not available in the F-ZTAT versions.
2. Internal reset signal generation is specified by means of a register setting.
Figure 11.1 Block Diagram of WDT
Rev.7.00 Feb. 14, 2007 page 416 of 1108
REJ09B0089-0700
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