HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 746
HD6412373R
Manufacturer Part Number
HD6412373R
Description
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
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Section 14 Watchdog Timer (WDT)
14.2
Table 14.1 shows the WDT pin configuration.
Table 14.1 Pin Configuration
Name
Watchdog timer overflow
Rev.7.00 Mar. 18, 2009 page 678 of 1136
REJ09B0109-0700
Input/Output Pin
Internal reset signal*
(interrupt request
Legend:
TCSR
TCNT
RSTCSR
Note: * An internal reset signal can be generated by the register setting.
WDTOVF
signal)
WOVI
: Timer control/status register
: Timer counter
: Reset control/status register
Figure 14.1 Block Diagram of WDT
Symbol
WDTOVF
RSTCSR
Interrupt
control
control
Reset
I/O
Output
Overflow
Module bus
TCNT
Function
Outputs counter overflow signal in watchdog
timer mode
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
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