Wednesday, March 13, 2024
Thursday, March 21, 2024
Thursday, March 21, 2024
问题:在51系列单片机中,工作寄存器分几个区?如何改变工作寄存器区?
Thursday, March 21, 2024
问题: 用伪指令将下列常数依次定义在1600H为首地址的程序存储器中。 0,1,4,9,16,25,36,49,64,81
Thursday, March 21, 2024
问题:若系统时钟的频率为fosc=6MHZ,请分析T1工作在模式1和模式2时,定时器最长的定时时间分别为多少?
Thursday, March 21, 2024
问题:请说明单片机内部主要是由哪些部件组成的,并说明各部件的作用。
Thursday, March 21, 2024
Thursday, March 21, 2024
问题:在51系列单片机中,工作寄存器分几个区?如何改变工作寄存器区?
Thursday, March 21, 2024
Thursday, March 21, 2024
Wednesday, March 13, 2024
问题:请说明单片机内部主要是由哪些部件组成的,并说明各部件的作用。
Thursday, March 21, 2024
Thursday, March 21, 2024
问题:用8KB×8的EPROM和SRAM芯片扩展16KB容量的程序存储器和数据存储器,问各需要几块
Thursday, March 21, 2024
Thursday, March 21, 2024
问题:用伪指令将逻辑变量A1、A2定义在00H、01H位单元中
Thursday, March 21, 2024
Thursday, March 21, 2024
问题:对于内部数据存储器00H~1FH区域的访问有哪些寻址方式?对于外部数据存储器的访问有哪些寻址方式?对于特殊功能寄存器的访问有哪些寻址方式?
Thursday, March 21, 2024