master.lst

IO口模拟I2C(主 从)

A51 MACRO ASSEMBLER  MASTER                                                               11/12/2010 12:42:12 PAGE     1


MACRO ASSEMBLER A51 V8.02
OBJECT MODULE PLACED IN Master.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE Master.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     ;/*------------------------------------------------------------------*/
                       2     ;/* --- STC MCU International Limited -------------------------------*/
                       3     ;/* --- STC 1T Series MCU Simulate I2C Master Demo ------------------*/
                       4     ;/* --- Mobile: [phone] -------------------------------------*/
                       5     ;/* --- Fax: [phone] ----------------------------------------*/
                       6     ;/* --- Tel: [phone] ----------------------------------------*/
                       7     ;/* --- Web: www.STCMCU.com -----------------------------------------*/
                       8     ;/* If you want to use the program or the program referenced in the  */
                       9     ;/* article, please specify in which data and procedures from STC    */
                      10     ;/*------------------------------------------------------------------*/
                      11     
  0090                12     SCL BIT P1.0
  0091                13     SDA BIT P1.1
                      14     
                      15     ;----------------------------
                      16     
0000                  17             ORG 0
                      18     
0000 758920           19             MOV TMOD,#20H       ;初始化串口为(9600,n,8,1)
0003 75985A           20             MOV SCON,#5AH
0006 74FB             21         MOV A,#-5           ;-18432000/12/32/9600
0008 F58D             22         MOV TH1,A
000A F58B             23         MOV TL1,A
000C D28E             24         SETB TR1
000E                  25     MAIN:
000E 1133             26         CALL UART_RXDATA    ;接收下一个串口示