HT83B60 datasheet(32/84 Pages) HOLTEK

32 / 84 page

Rev. 1.00

3�

De�e��e� 1�� 011

Rev. 1.00

De�e��e� 1�� 011

HT83B60

Voice Mask MCU

HT83B60

Voice Mask MCU

Timer Program Example

Thefollowingexampleprogramsectionisbasedonthedevice,whichcontaintwo8-bittimers.

Programmingthetimerforotherdevicesisconductedinaverysimilarway.Theprogramshows

howthetimerregistersaresetupalongwithhowtheinterruptsareenabledandmanaged.Pointsto

noteintheexamplearehow,forthe8-bittimer.Notehowthetimeristurnedonbysettingbit4of

therespectivetimercontrolregister.Thetimercanbeturnedoffinasimilarwaybyclearingthe

samebit.ThisexampleprogramsetsthetimertobeinthetimermodewhichusestheinternalfSYSas

theirclocksource,andproduceatimer0interruptper1ms.

#include HT83B60.inc

jmp begin

org 04h

; time base vector

reti

org 08h

; timer 0 interrupt vector

jmptmr0int;jumpherewhentimer0overflowsevery1ms

org 0Ch

reti

org 10h

reti

org 14h

reti

; internal timer 0 interrupt routine

Tmr0int:

; timer 0 main program placed here

reti

begin:

; setup timer 0 registers

mov

a,06h

; setup timer 0 low byte

mov tmr0,a;flowbytemustbesetupbeforehighbyte

mov

a,094

; setup timer 0 control register

mov

tmr0c,a

; setup timer mode and clock source is fsys/32 prescaler

; setup interrupt register

mov

a,05h

; enable global interrupt

mov

intc,a

; enable timer 0 interrupt

HT83B60 Datasheet(PDF) 32 Page - Holtek Semiconductor Inc

HT83B60 Datasheet(HTML) 32 Page - Holtek Semiconductor Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84

Datasheet Download

Link URL