i m interfacing the stepper motor with 8051 i hav all circuitry ready but i want to know how to generate the required RPM for stepper motor EG: i want to run my motor at 60 RPM then what all calculations are required i hav taken a timer for the clock pulses but confused in the calculations do u hav any sample program for it i m using ic which has clocks pulse pin, i will be giving the clocks to that pin
There are examples in the C51 downloads section:
http://www.keil.com/download/list/c51.htm
The operation of the standard 8051 timers is described so-called "bible" for the 8051:
Chapter 1 - 80C51 Family Architecture: www.nxp.com/.../80C51_FAM_ARCH_1.pdf
Chapter 2 - 80C51 Family Programmer's Guide and Instruction Set: www.nxp.com/.../80C51_FAM_PROG_GUIDE_1.pdf
Chapter 3 - 80C51 Family Hardware Description: www.nxp.com/.../80C51_FAM_HARDWARE_1.pdf
See the Data Sheet for your particular processor for any special features.
Here's some Tutorials: General 8051: www.8052.com/tuttimer.phtml 8052 extras: www.8052.com/tut8052.phtml
And, of course, the book lists: http://www.keil.com/books/8051books.asp www.8052.com/books.phtml