With a 20MHz oscillator you have an instruction cycle time of 1/5MHz or 200nS. With a 16-bit timer it will roll-over in 65536 ticks. $FFFF+1=roll-over.
65536 * 200nS = 13.1mS assuming a 1:1 prescale.
|
With a 20MHz oscillator you have an instruction cycle time of 1/5MHz or 200nS. With a 16-bit timer it will roll-over in 65536 ticks. $FFFF+1=roll-over.
65536 * 200nS = 13.1mS assuming a 1:1 prescale.
Members who have read this thread : 0You do not have permission to view the list of names.
Posting Permissions
Bookmarks