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          EEPW首頁 > 嵌入式系統(tǒng) > 設計應用 > NEC單片機 UPD78F9234 16位定時器使用例程(匯編)

          NEC單片機 UPD78F9234 16位定時器使用例程(匯編)

          作者: 時間:2012-11-29 來源:網(wǎng)絡 收藏

          16位例程()
          ;*************************************************
          ; Lable def
          ;*************************************************
          LED8_MODE EQU PM2.1
          LED7_MODE EQU PM2.0
          LED6_MODE EQU PM12.0
          LED5_MODE EQU PM0.3
          LED4_MODE EQU PM0.2
          LED3_MODE EQU PM0.1
          LED2_MODE EQU PM0.0
          LED1_MODE EQU PM12.3
          LED8 EQU P2.1
          LED7 EQU P2.0
          LED6 EQU P12.0
          LED5 EQU P0.3
          LED4 EQU P0.2
          LED3 EQU P0.1
          LED2 EQU P0.0
          LED1 EQU P12.3


          ;=========================(debugresource)======================================={
          ;*************************************************
          ; VAR DEF
          ;*************************************************

          DATA_SEGMENT1DSEGSADDR ;(AT 0FE20H)

          VAR_1: DS1

          ORG 018H
          DB 0FFH,0FFH;
          ORG 07EH
          DB 0FFH,0FFH;

          ORG 81H
          DB 0FFH;


          ORG 01ED0H
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
          ;=================================================================================



          ;*************************************************
          ;INTERRUPT VECT
          ;*************************************************

          ORG 0000H
          DW START_PROGRAM

          ORG 000EH
          DW INTTM000_VECT

          ;*************************************************
          ;CODE
          ;*************************************************
          CSEG ;(ATXXXXH)

          START_PROGRAM:

          DI
          MOVW AX,#0FE20H;
          MOVW SP,AX;

          MOV PCC,#00H;
          MOV PPCC,#00H;

          CALL!DELAY_1MS;
          CALL!DELAY_1MS;
          CALL!DELAY_1MS;
          CALL!DELAY_1MS;
          CALL!DELAY_1MS;



          MOV PMC2,#00H
          MOV PM2,#0FFH


          ; SET TM00
          MOV TMC00,#00H

          MOV PRM00,#02H ;31.25KHz 32us

          MOVW AX,#31250;9800 ;313.6ms 15625
          MOVW CR000,AX

          CLR1 TMIF000 ;clear sign
          CLR1 TMMK000 ;allow interrupt

          MOV TMC00,#0CH ;clear the CR000 when TM00=CR000

          EI

          CLR1LED1_MODE
          CLR1LED2_MODE
          CLR1LED3_MODE
          CLR1LED4_MODE
          CLR1LED5_MODE
          CLR1LED6_MODE
          CLR1LED7_MODE
          CLR1LED8_MODE

          SET1 LED1
          SET1 LED2
          SET1 LED3
          SET1 LED4
          SET1 LED5
          SET1 LED6
          SET1 LED7
          SET1 LED8

          CLR1LED1

          MAIN:

          MOV WDTE,#0ACH;

          BR !MAIN

          ;*************************************************
          ; SUB PROGRAM
          ;*************************************************
          CSEG
          DELAY_1MS:

          MOVB,#0FFH
          BBBB:
          DBNZ B,$BBBB;
          RET

          ;*************************************************
          ;INTERRUPT FUNCTION
          ;*************************************************
          CSEG
          INTTM000_VECT:

          BT LED1,$LED22 ;jump if LED1=1
          SET1 LED1
          CLR1 LED2
          BR !backtrack

          LED22:
          BT LED2,$LED33
          SET1 LED2
          CLR1 LED3
          BR !backtrack

          LED33:
          BT LED3,$LED44
          SET1 LED3
          CLR1 LED4
          BR !backtrack

          LED44:
          BT LED4,$LED55
          SET1 LED4
          CLR1 LED5
          BR !backtrack

          LED55:
          BT LED5,$LED66
          SET1 LED5
          CLR1 LED6
          BR !backtrack

          LED66:
          BT LED6,$LED77
          SET1 LED6
          CLR1 LED7
          BR !backtrack

          LED77:
          BT LED7,$LED88
          SET1 LED7
          CLR1 LED8
          BR !backtrack

          LED88:
          BT LED8,$INTTM000_VECT
          SET1 LED8
          CLR1 LED1
          BR !backtrack

          backtrack:

          RETI

          END
          產(chǎn)品參數(shù):
          MCU 8BIT 8KB FLASH 30PIN
          核心處理器:78K0S
          芯體尺寸:8-位
          速度:10MHz
          連通性:LIN,UART/USART
          外圍設備:LVD, POR, PWM, WDT
          輸入/輸出數(shù):24
          程序存儲器容量:8KB (8K x 8)
          程序存儲器類型:FLASH
          EEPROM 大?。?
          RAM 容量:256 x 8
          電壓 - 電源 (Vcc/Vdd):2 V ~ 5.5 V
          數(shù)據(jù)轉換器:A/D 4x10b
          振蕩器型:內部
          工作溫度:-40°C ~ 85°C

          本文引用地址:http://www.ex-cimer.com/article/170677.htm


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