org 0000H AJMP START 延时1/4s子程序 YANSHI1S: MOV R7,#250 YANSHI1S1: MOV R6,#250 YANSHI1S2: NOP NOP DJNZ R6,YANSHI1S2 DJNZ R7,YANSHI1S1 RET 将58开始的单或多字节（字节数在R3中）写入芯片 XIENB: MOV R0,#58H CLR P1.7 SCN变低 X

编写两个十六位数的加法程序。 有两个十六位无符号数，分别存放在从20H和30H开始的数据区中，低八位先存，高八位在后，和存于R3（高八位）和R4（低八位），进位位存于R2。-Write two sixteen digits addition program. There are two 16 bit unsigned number, respectively in from 20 h and 30 h began to data area, low eight put first, hi

用HSPICE開發環境，設計一個可以調整電阻以符合電流鏡要求之電流量-Adjust resistances R1, R2, R3 to generate output current Iout.

温度传感器检测+蓝牙模块传输（用于 uno R3 开发板）-Temperature sensor detection and Bluetooth module transmission (for R3 uno development board)