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2.10 Watchdog Timer Reset
2.10 Watchdog Timer Reset
• The watchdog timer is reset by using the time-base timer output as a clock.
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Block Diagram
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Registers
The watchdog timer reset has watchdog timer control register (WDTE).
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Description of Register
The detail of the watchdog timer control register (WDTE) is described below.
(1) Watchdog timer control register (WDTE)
[Bits 3 to 0] WTE3 to WTE0: Watchdog timer control bit
These bits are used to control the watchdog timer.
First write after reset
WTE3 to WTE0
Start
CLR
2-bit counter
RST
Reset controlTime-base timer
0F
Address: 0009H
WDTE
8 bit
R/W Watchdog timer control register
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Address: 0009
H
— — — — WTE3 WTE2 WTE1 WTE0
(W) (W) (W) (W) (W)
Intilial value
XXXXXXXX
B
0101 Watchdog timer started
Other than the above No operation