TLV5619CPWR datasheet(14/27 Pages) TI2

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SOFTWARE LISTING

TLV5619

SLAS172F – DECEMBER 1997 – REVISED FEBRUARY 2004

APPLICATION INFORMATION (continued)

; File: ramp.asm

; Description: This program generates a ramp.

;------------- I/O and memory mapped regs -----------

.include "regs.asm"

TLV5619

.equ

0084h

;------------- vectors -------------------------------

.ps

start

INT1

INT23

TIM_ISR

*********************************************************************

* Main Program

*********************************************************************

.ps

1000h

.entry

start:

ldp

; set data page to 0

; disable interrupts

setc

INTM

; disable maskable interrupts

splk

#0ffffh,

IFR

splk

#0004h,

IMR

; set up the timer

splk

#0000h,

60h

splk

#0042h,

61h

out

61h. PRD

out

60h, TIM

splk

#0c2fh,

62h

out

62h, TCR

; enable interrupts

clrc

INTM ; enable maskable interrupts

; loop forever!

idle

; wait for interrupt

; all else fails stop here

done

done ; hang there

*********************************************************************

* Interrupt Service Routines

*********************************************************************

INT1:

ret

; do nothing and return

INT23:

ret

; do nothing and return

TIM_ISR:

; useful code

add

#1h ; increment accumulator

sacl

60h

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