MICROPROCESSOR AND MICROCONTROLLER

Detailed explanation-1: -The 8051 has two timers, Timer 0 and Timer 1. They can be used as timers or as event counters. Both Timer 0 and Timer 1 are 16-bit wide.

Detailed explanation-2: -Explanation: Auto reload is allowed in the Mode 2 of the timer because here in this mode, we don’t need to load the count again and again in the register.

Detailed explanation-3: -The timer is an important application in Embedded systems, it maintains the timing of an operation in sync with a system clock or an external clock. The timer has so many applications such as measure time generating delays, they can also be used for generating baud rates.

Detailed explanation-4: -The 8051 has two timers T0 and T1, which may be configured and used individ-ually. The 8052 has an additional Timer T2. All these counters count up on negative going edges at their inputs.