: So, how did you find AT89C51.
: Got it! Use the standard part numbers while you converse about anyone, the search results will be great.
: 1) If you have not understood anything in External Interrupt pls post related questions on this thread, I will try my best to help you out.
: 2) Now you must be developing interest in Embedded programming in C, right? Do you know what, you should at this stage select an embedded platform / RTOS such as VxWorks, uCOS etc. which are hot in market today and will remain the same for more 10 yrs and ahead. then start with one of it, master it, know other.
: all the best,
Thank u very much for ur reply. yeah i am planning to start programming using uCOS.