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參數(shù)資料
| 型號： | TLV5619IDWRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 1 us SETTLING TIME, 12-BIT DAC, PDSO20 |
| 封裝： | GREEN, PLASTIC, SOIC-20 |
| 文件頁數(shù)： | 6/23頁 |
| 文件大小： | 478K |
| 代理商： | TLV5619IDWRG4 |
www.ti.com
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
0h
b
start
b
INT1
b
INT23
b
TIM_ISR
*********************************************************************
* Main Program
*********************************************************************
.ps
1000h
.entry
start:
ldp
#0
; 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!
next
idle
; wait for interrupt
b
next
; all else fails stop here
done
b
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
14
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