is it impossible?
i know it's for generating a digital signal for 8051 timer.
however, just now, i tried to include a design for NE555 to my main timer design (in ISIS). check the attached file please.
(the pin 3 of NE555 connected to P0.7)
but still doesn't works with me!!
thats why i need to neglect it...
so, back to the main point of this post.. can i ignore the Square Wave generation? and do the timing with 8051 only?
or how exactly i need to design and connect the wave generator for the previous attached example?
anyway, now, i'm facing troubles with square wave generation
so, can you please be patient with me and guide me how to overcome this problem?
how should i connect the pic P0.7 based on this program?
... So what is your issue? I can't tell you what to do with P0.7. It is sent out of the 8051 and the program doesn't state what happens to it. Your best bet is to contact the fellow that put this in the 8052.com code library and get details from him.
r.b.
yeah bro, you r right, i know that very well. i am a PhD candidate in telecomm. eng. and currently getting deep in electronics because of this timer..As an engineer, you must be used to teaching yourself new stuff, so here's another chance to do just that.
i have already Start/Stop switch on P2.0I think its a good bet that the square wave output is fed back into P2.2 and that is used as the input pulse train which is counted.
what "square wave" means.
from all your replies, you was thinking that i'm a new lazy fellow/student who looking for the easy way without effort. isn't?it was simple, if you could answer me by defining the "Square Wave" and what it's for?!
if this is representative of your knowledge, it is difficult to help you.
: at this date you are not sharing with us your knowledge of YOUR problem, so it will be very difficult to help you.anyways bro, we here for knowledge Sharing not anything else
NO, your question is not clear because you didn't told us what you really want to do!!!i already asked and mentioned several times in my replies what i want/ looking for.
anyone of you guys (the experts in this issue), read the program code and tell me what to do with P0.7???
is that not simple or clear question!!!
Yes, the problem is that YOU are confused: please relax yourself and explain in a DETAILED way WHAT YOU WANT TO DO with this piece of code!!!!is there still any confusions?!
i think you didn't read all of my post's!NO, your question is not clear because you didn't told us what you really want to do!!!
and yes, you arre completely right in thisYes, the problem is that YOU are confused: please relax yourself and explain in a DETAILED way WHAT YOU WANT TO DO with this piece of code!!!!
your are completely wrong in this.By the way, your unpoliteness [= following the netiquette rules]
yes Sir, you are completely right.To give a short summary in my own view:
You have some 8051 assembly code, downloaded from 8052.com and are trying to understand what it's good for.
You're playing around with 8051 and 555 to learn about timer circuits. Now you're stuck with the simulation of the 8051 code.
I also understand, that you're final target is to utilize PIC processors for your project rather than learning 8051 programming.
I wonder, if you shouldn't go more straight for it? The 8051 example represents the way people used to write microprocessor code 25 or 30 years ago. Assembly level programming is still useful today, but it's not the stuff to start with. And it's not needed at all for many projects.
guys, you are the experts not mePlease apologize my limited interest for "if"/"how" to connect P0.7 to P2.2. ....
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