HD6433044 Datasheet, PDF (435/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

12.1.4 Register Configuration
Table 12-2 summarizes the WDT registers.
Table 12-2 WDT Registers
Address^*1
Write^*2 Read Name
Abbreviation
H'FFA8 H'FFA8 Timer control/status register
TCSR
H'FFA9 Timer counter
TCNT
H'FFAA H'FFAB Reset control/status register
RSTCSR
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.
R/W Initial Value
R/(W)^*3 H'18
R/W H'00
R/(W)^*3 H'3F
423