BASICS OF TIMER
Basically it is used to generate the delay.
Timer Reg.is used to count clock_pulse.
Timer reg.is of 2-types:
Timer 0 & Timer 1 and both is of 16-bit wide.
Both timer 0 & 1 uses the same register.
Register used:
TMOD & TCON(Both are 8-bit / bit addressable)
