HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 548
HD6417615
Manufacturer Part Number
HD6417615
Description
Hardware Manual
Manufacturer
Hitachi Semiconductor
Datasheet
1.HD6417615.pdf
(873 pages)
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13.1.2
Figure 13.1 shows a block diagram of the WDT.
13.1.3
Table 13.1 shows the pin configuration.
Table 13.1 Pin Configuration
Pin
Watchdog timer overflow
534
WTCSR:
WTCNT:
RSTCSR: Reset control/status register
Note: The internal reset signal can be generated by a register setting. The type of reset can be
request signal)
: See figure 3.1, Block Diagram of Clock Pulse Generator Circuit.
reset signal*
WDTOVF
(Interrupt
selected (power-on or manual reset).
Internal
Block Diagram
Pin Configuration
Watchdog timer control/status register
Watchdog timer counter
ITI
RSTCSR
Interrupt
control
control
Reset
Abbreviation
WDTOVF
Figure 13.1 WDT Block Diagram
Overflow
Module bus
WTCNT
I/O
O
Clock
Function
Outputs the counter overflow signal in
watchdog timer mode
WTCSR
select
Clock
WDT
Internal
interface
clock
Bus
/4
/128
/256
/512
/1024
/2048
/8192
/16384
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