AN413 datasheet(31/45 Pages) STMICROELECTRONICS

31 / 45 page

AN413

Examples of timer 0 configurations

Doc ID 1875 Rev 2

31/45

;

- EXTB No Operation

;OACR-OBCR:

- no operation

;IDMR:

- Interrupt on capture REG0

;DCPR:

- reset value

;DAPR:

- 00h

;IVR:

- Interrupt vector 10h = T0_IT_VECT

;IDCR:

- level 4

spp #T0D_PG

; Timer 0 data register page

ld T_TCR,#01001000b ; TCR

ld T_TMR,#00001010b ; TMR

ld T_ICR,#01010100b ; ICR

ld T_PRSR,prescal_t0 ; PRESCALER

ld T_OACR,#11111100b ; OACR

ld T_OBCR,#11111100b ; OBCR

ld T_FLAGR,#00h ; FLAGR

ld T_IDMR,#00100000b ; IDMR

spp #T0C_PG ; Timer 0 control register page

ld T0_DCPR,#00h ; DCPR

ld T0_DAPR,#0 ; DAPR

ld T0_IVR,#T0_IT_VECT ; IVR interrupt vector 14h

ld T0_IDCR,#IT_T0_LEVEL ; priority level 4

T0_START_IT ; start Timer 0, enable interrupt

}

;*********************************************************************

proc GEST_T0_EVENT{

; Configuration of Timer 0 into EVENT COUNTER MODE

; IT COMPARE is serviced when nb_event_t0 is reached

;TCR:

- Stop count

;

- Up count

;

- Clear on compare

;TMR:

- Disable output 0-1

;

- no Bivalue mode

;

- no Bicapture

;

- Internal clock

;

- Disable retrigger mode

;

- Continuous mode

;ICR:

- EXTB Ext.Clock

AN413 Fiches technique(PDF) 31 Page - STMicroelectronics

AN413 Fiches technique(HTML) 31 Page - STMicroelectronics

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

Fiches technique Télécharger

Lien URL