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HD6432351 Datasheet(PDF) 566 Page - Renesas Technology Corp

Part # HD6432351
Description  16-Bit Single-Chip Microcomputer
PDF  1025 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432351 Datasheet(HTML) 566 Page - Renesas Technology Corp

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Section 12 Watchdog Timer (WDT)
Rev. 3.00 Sep 15, 2006 page 532 of 988
REJ09B0330-0300
12.1.2
Block Diagram
Figure 12.1 shows a block diagram of the WDT.
Overflow
Interrupt
control
WOVI
(interrupt request
signal)
WDTOVF
Internal reset signal*
Reset
control
RSTCSR
TCNT
TSCR
φ/2
φ/64
φ/128
φ/512
φ/2048
φ/8192
φ/32768
φ/131072
Clock
Clock
select
Internal clock
sources
Bus
interface
Module bus
Legend:
TCSR
TCNT
RSTCSR
Note: *
: Timer control/status register
: Timer counter
: Reset control/status register
WDT
The type of internal reset signal depends on a register setting. Either power-on reset or manual
reset can be selected.
Figure 12.1 Block Diagram of WDT



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