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HT45R4U датащи(PDF) 47 Page - Holtek Semiconductor Inc |
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HT45R4U датащи(HTML) 47 Page - Holtek Semiconductor Inc |
47 / 105 page Rev. 1.10 46 �a��� 1�� �01� Rev. 1.10 47 �a��� 1�� �01� HT45R4U TinyPowerTM A/D Type e-Banking ASSP OTP MCU with LCD Timer Program Example ThisprogramexampleshowshowtheTimer/EventCounterregistersaresetup,alongwithhowthe interruptsareenabledandmanaged.NotehowtheTimer/EventCounteristurnedon,bysettingbit 4oftheTimerControlRegister.TheTimer/EventCountercanbeturnedoffinasimilarwayby clearingthesamebit.ThisexampleprogramsetstheTimer/EventCountertobeinthetimermode, whichusestheinternalsystemclockastheclocksource. org 04h ; external interrupt 0 vector reti org 08h ; external interrupt 1 vector reti org 0ch ; Timer/Event Counter 0 interrupt vector jmp tmr0int ; jump here when the Timer/Event Counter 0 overflows : org 20h ; main program tmr0int: ; internal timer/event counter 0 interrupt routine : : ; timer/event counter 0 interrupt routine program placed here : reti : : begin: ;setup Timer 0 registers mov a,09bh ; setup Timer 0 preload value mov tmr0,a mov a,081h ; setup Timer 0 control register mov tmr0c,a ; timer mode and prescaler set to /2 ; setup interrupt register mov a,009h ; enable master interrupt and timer interrupt mov int0c,a set tmr0c.4 ; start Timer/Event Counter 0 - note mode bits must be previously setup |
Аналогичный номер детали - HT45R4U |
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Аналогичное описание - HT45R4U |
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