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10.1.4 Register Configuration
Table 10-2 summarizes the WDT registers.
Table 10-2 WDT Registers
Address
*
1
Write
*
2
Read
Name
Abbreviation
R/W
Initial Value
H'FFA8
H'FFA8
Timer control/status
register
TCSR
R/(W)
*
3
H'18
H'FFA9
Timer counter
TCNT
R/W
H'00
H'FFAA
H'FFAB
Reset control/status
register
RSTCSR
R/(W)
*
3
H'3F
Notes: 1. Lower 16 bits of the address.
2. Write word data starting at this address.
3. Only 0 can be written in bit 7 to clear the flag.