8051 timing counting online calculator

Release time ： 2019-12-17 02:34:01 UTC

Category ： Daily

Page Views: 56 views

Clock cycle

Megahertz (mhz)

Required timer run time (DRT)

Milliseconds (mSec)

Timed task	Standard 12 time period	Enhanced 6 clock cycles	Time
Single timer	1 / (mhz/12)	1 / (mhz/6)	uSec
8 bit timing counter	TIC12 * 256 / 1000	TIC6 * 256 / 1000	mSec
16 bit timing counter	TIC12 * 65536 / 1000	TIC6 * 65536 / 1000	mSec
8 digit recalculation value	256 - (DRT / TIC12 * 1000)	256 - (DRT / TIC6 * 1000)	mSec
16 bit recalculation value	65536 - (DRT / TIC12 * 1000)	65536 - (DRT / TIC6 * 1000)	mSec

App description

Mode 0 is the 13-bit timer counting mode, mode 1 is the 16-bit timer counting mode (which is the most common mode), mode 2 is the 8-bit automatic reloading initial value counting mode, mode 3 is only applicable to T0, and 16-bit T0 is divided into Two 8-bit timer counters.

Article link ： 8051 timing counting online calculator