ziolined.html

来自「一个学习单片机的」· HTML 代码 · 共 8 行

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<!-- URL's used in the movie-->
<A HREF=ziolines.html></A> <A HREF=inst.html></A> <A HREF=ydir.html></A> <A HREF=inde.html></A> <A HREF=zarch.html></A> <A HREF=zioreg.html></A> <A HREF=yexp.html></A> <!-- text used in the movie-->
<!--I / O  Pins  and  Registers  All AVR ports have true  Read-Modify-Write  functionality when used as  general digital I/O ports.  This means that  the direction of one port pin  can be changed without  unintentionally changing the direction of  any other pin with the SBI  and CBI instructions.  The same applies for  changing drive value  ( if configured as output ) or  enabling/disabling of pull-up resistors  if configured as input ). Port B is an 8-bit bi-directional I/O port. Three I/O memory address locations are allocated for the Port D :       Data Register                    

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