upd78f9211grt2-jjg-a ETC-unknow, upd78f9211grt2-jjg-a Datasheet - Page 142

• Manufacturer Part Number: upd78f9211grt2-jjg-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: ETC-unknow

142
Figure 8-4. Status Transition Diagram When “Low-Speed Internal Oscillator Cannot Be Stopped”
HALT instruction
Is Selected by Option Byte
WDTE = “ACH”
Clear WDT counter.
WDT count continues.
HALT
WDT clock: f
Overflow time: 4.27 ms to 546.13 ms (MAX.)
WDT count continues.
CHAPTER 8 WATCHDOG TIMER
WDT clock: f
Overflow time: 546.13 ms (MAX.)
Interrupt
User’s Manual U16994EJ3V0UD
RL
STOP instruction
Reset
RL
WDT clock is fixed to f
Select overflow time (settable only once).
WDT count continues.
STOP
Interrupt
RL
.