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H8S/2240 数据表(PDF) 430 Page - Renesas Technology Corp

部件名 H8S/2240
功能描述  Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
PDF  818 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

H8S/2240 数据表(HTML) 430 Page - Renesas Technology Corp

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Section 11 Watchdog Timer
Rev.3.00 Mar. 26, 2007 Page 388 of 772
REJ09B0355-0300
11.1.2
Block Diagram
Figure 11.1 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 11.1 Block Diagram of WDT



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