NEC PD78078 用户手册

The following two types of registers are used to control the watchdog timer.

• Timer clock select register 2 (TCL2)

• Watchdog timer mode register (WDTM)

This register sets the watchdog timer count clock.

TCL2 is set with 8-bit memory manipulation instruction.

RESET input sets TCL2 to 00H.

Besides setting the watchdog timer count clock, TCL2 sets the watch timer count clock and buzzer

output frequency.