8051单片机内部程序存储器和内部数据存储器的寻址范围各是多少

2025-04-08 06:29:38
推荐回答(4个)
回答1:

呵呵
楼上答案是错误的阿
还是俺来替你解答吧
1
8051单片机内部程序存储器:
为4K掩膜程序存储器
寻址范围为:0000H~0FFFH
51单片机的片内片加上片外的总的寻址才是:0000H~FFFFH
2
8051单片机内部数据存储器只有128个单元:
寻址范围为:00H~7FH
80H~FFH
为特殊寄存器区
呵呵
满意就给加分喽

回答2:

8051的ROM是4K,RAM是128字节,其中ram区还有高128字节是特殊寄存器。
8052的ROM是8k,RAM是256字节,其中高128是和特殊寄存器重合,对高128字节的RAM访问用idata。
完全msc-51内核的rom最大为64k(地址线决定)。

回答3:

内部程序存储器的寻址范围是C:0000H~FFFFH
内部数据存储器的寻址范围是I:00H~FFH

回答4:

哈哈,选我吧!内部程序存储器的寻址范围是C:0000H~FFFFH
内部数据存储器的寻址范围是I:00H~FFH

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