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用于80C51系列的RAM调用程序
消耗积分:5 |
格式:rar |
大小:35 |
2009-06-29
吴湛
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The following program allows an 80C51
family microcontroller to load most of its code
into a RAM over a serial link after power up
and execute out of the RAM for normal
operation. This can allow a final product to
have firmware updates done by a simple
diskette mailing. Such a program is often
called a “bootstrap loader”.
For this example, it is assumed that the code
download is done via a serial communication
link, although the program could be adapted
to other forms of download. The comments at
the beginning of the listing are intended to
document the program and its use
completely.
family microcontroller to load most of its code
into a RAM over a serial link after power up
and execute out of the RAM for normal
operation. This can allow a final product to
have firmware updates done by a simple
diskette mailing. Such a program is often
called a “bootstrap loader”.
For this example, it is assumed that the code
download is done via a serial communication
link, although the program could be adapted
to other forms of download. The comments at
the beginning of the listing are intended to
document the program and its use
completely.
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