Chapter 11
Watchdog Timer
XI - 4 Control Registers
11.2 Control Registers
Watchdog Timer is composed of the watchdog binary counter (WDBC), watchdog timer control register
(WDCTR) and reset control register (RSTCTR).
11.2.1 Watchdog Timer Control Registers
Table: 11.2.1 shows registers which control watchdog timers.
Table:11.2.1 Watchdog Timer Control Registers
11.2.2 Watchdog Binary Counter
Watchdog binary counter is used to read the upper 8-bits of a 24-bit binary counter. If the counter value changes
during read, the returned value is not guaranteed.
■ Watchdog Binary Counter (WDBC: 0x00008200) [8,16-bit Access Register]
Register Address R/W Access size Description Page
WDBC 0x00008200 R 8,16 Watchdog binary counter XI-4
WDCTR 0x00008202 R/W 8,16 Watchdog timer control register XI-5
RSTCTR 0x00008204 R/W 8,16 Reset control register XI-6
R/W Readable / Writable
R Readable only
W Writable only
bp 76543210
Flag WD
BC7
WD
BC6
WD
BC5
WD
BC4
WD
BC3
WD
BC2
WD
BC1
WD
BC0
At reset 00000000
Access RRRRRRRR
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