Техника микропроцессорных систем в коммутации. Проектирование микропроцессорных систем на базе микроконтроллеров AVR фирмы Atmel. Горохин В.Н. - 32 стр.

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Ʌɚɛɨɪɚɬɨɪɧɚɹ ɪɚɛɨɬɚ ʋ 5
ɉɊɈȽɊȺɆɆɂɊɈȼȺɇɂȿ ȼ ɋɊȿȾȿ VISUAL MICRO LAB
ȼ ɆɍɅɖɌɂɉɊɈɐȿɋɋɈɊɇɈɆ ɊȿɀɂɆ
ɐɟɥɶ ɪɚɛɨɬɵ: ɂɡɭɱɟɧɢɟ ɢ ɨɫɜɨɟɧɢɟ ɩɪɨɝɪɚɦɦɢɪɨɜɚɧɢɹ ɜ ɦɭɥɶɬɢɩɪɨɰɟɫ-
ɫɨɪɧɨɦ ɪɟɠɢɦɟ, ɚ ɬɚɤɠɟ ɞɚɥɶɧɟɣɲɟɟ ɢɡɭɱɟɧɢɟ ɫɢɫɬɟɦɵ ɤɨɦɚɧɞ ɢ ɫɢɫɬɟɦɵ ɩɪɟ-
ɪɵɜɚɧɢɣ.
Ɂɚɞɚɧɢɟ ɤ ɥɚɛɨɪɚɬɨɪɧɨɣ ɪɚɛɨɬɟ
ɂɡɭɱɢɬɶ ɩɪɨɝɪɚɦɦɵ mp.asm, mp1.asm ɢ ɮɚɣɥɵ ɩɪɨɟɤɬɚ mp.prj. mp1.prj.
Ɉɬɥɚɞɢɬɶ ɩɪɨɝɪɚɦɦɵ ɜ ɫɪɟɞɟ VMLab, ɩɨɞɤɥɸɱɢɜ ɧɟɨɛɯɨɞɢɦɭɸ ɩɟɪɢɮɟɪɢɸ ɤ
ɦɢɤɪɨɤɨɧɬɪɨɥɥɟɪɚɦ AVR – ɤ ɩɟɪɜɨɦɭ ɢɧɬɟɪɮɟɣɫ ɜɜɨɞɚ, ɤɨ ɜɬɨɪɨɦɭ ɢɧɬɟɪɮɟɣɫ
ɜɵɜɨɞɚ UART. Ɉɛɦɟɧ ɦɟɠɞɭ ɦɢɤɪɨɤɨɧɬɪɨɥɥɟɪɚɦɢ ɬɚɤɠɟ ɱɟɪɟɡ ɢɧɬɟɪɮɟɣɫ
UART. Ɋɟɡɭɥɶɬɚɬɵ ɦɨɞɟɥɢɪɨɜɚɧɢɹ ɜ ɦɭɥɶɬɢɩɪɨɰɟɫɫɨɪɧɨɦ ɪɟɠɢɦɟ ɩɪɟɞɫɬɚɜɥɟ-
ɧɵ ɧɚ ɪɢɫ. 23.
Ɋɢɫ. 23. Ɋɟɡɭɥɶɬɚɬɵ ɦɨɞɟɥɢɪɨɜɚɧɢɹ ɦɢɤɪɨɤɨɧɬɪɨɥɥɟɪɨɜ
ɜ ɦɭɥɶɬɢɩɪɨɰɟɫɫɨɪɧɨɦ ɪɟɠɢɦɟ
64
Ɏɚɣɥ mp.prj
; ************************************************************
; Micro + software running
.MICRO "ATmega16"
.PROGRAM "mp.asm"
.TARGET "mp.hex"
.TRACE ; Activate micro trace
; Following lines are optional; if not included
; exactly these values are taken by default
.POWER VDD=5 VSS=0 ; Power nodes
.CLOCK 1meg ; Micro clock
.STORE 250m ; Trace (micro+signals) storage time
;nodes: RESET,AREF,PA0–PA7, PB0–PB7, PC0–PC7, PD0–PD7, ACO,
TIM1OVF
; ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
X1 TTY(4800 8) PD0 ext
Xlink1 EXTOUT PD1
Xlink2 EXTIN(1) ext
Ɏɚɣɥ mp1.prj
; ************************************************************
.MICRO "ATmega16"
.PROGRAM "mp1.asm"
.TARGET "mp1.hex"
.TRACE ; Activate micro trace
; Following lines are optional; if not included
; exactly these values are taken by default
.POWER VDD=5 VSS=0 ; Power nodes
.CLOCK 1meg ; Micro clock
.STORE 250m ; Trace (micro+signals) storage time
;nodes:RESET,AREF, PA0–PA7, PB0–PB7, PC0–PC7, PD0–PD7, ACO,
TIM1OVF
; ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
Xlink1 EXTIN(1) PD0
Xlink2 EXTOUT PD1
Ɏɚɣɥ mp.asm
; ******************************************************
.include "m16def.inc"
.def tmp = r16
.def X = r17
.cseg
.org 0
rjmp INIT
.org URXCaddr

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