Fujitsu FR81S Manuel D’Utilisation

CHAPTER 20: RELOAD TIMER

5. Operation

FUJITSU SEMICONDUCTOR LIMITED

CHAPTER : RELOAD TIMER
FUJITSU SEMICONDUCTOR CONFIDENTIAL

Figure 5-8 Single Reload Operation

TMRLRA

TMRLRA TMRLRA

TMRLRA

TMRLRA+1
count

TMRLTA+1
count

TMRLRA+1
count

Underflow

Timer reloaded

Timer loaded

UF bit

Count operation

waiting for

activation trigger

TOUT

(When OUTL=0)

TOUT

(When OUTL=0)

TRG(register)

CNTE(register)

Data load

Single reload function (GATE="0": trigger input)

Single reload function (GATE="1": gate input, TRGM: H input interval count)

Underflow

UF bit

TTRG(pin)

Waiting for

activation trigger

Count operation waiting

for effective gate input

TIN (pin)

MB91520 Series

MN705-00010-1v0-E

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