The 8051 uses current of approximately during the normal operation. It can be shown that this is a minimum value, because the current consumption due to set-up and hold time violation depends on the clock rate. However, it is possible however, to increase the current consumption of an 8051 device to nearly by making use of some tricks.

The 8051 uses current of approximately during the normal operation.

The 8051 uses current of approximately during the normal operation. The current consumption depends on the clock rate, and it can be increased by making use of some tricks.

It can be shown that this is a minimum value, because the current consumption due to set-up and hold time violation depends on the clock rate.

In the figure below, you can see that the minimum current is a result of the circuit design. The clock rate is the frequency at which the processor runs by default, but it can be changed through software. The current consumption depends on the clock rate because delay elements have different values depending on their type and size. In this case, we are using an inverter gate with its parasitic capacitance connected to ground via a 10kΩ resistor (see figure below).

It is possible however, to increase the current consumption of an 8051 device to nearly by making use of some tricks.

It is possible however, to increase the current consumption of an 8051 device to nearly by making use of some tricks.

• Use a crystal with a higher frequency, which will result in higher clock speeds and lower power dissipation.
• Use a faster clock, which will result in lower power dissipation since there are fewer cycles per second that need to be handled by the CPU core itself.
• Lowering your supply voltage (or even using an LDO) can also decrease power consumption by decreasing internal leakage currents within the chip itself.

For example, if you drop from 5V down to 3V then this would reduce your maximum allowable operating frequency from 100 MHz down to 66 MHz without affecting functionality at all! This has two benefits: firstly it enables us better low-power operation; secondly because it’s possible now for more transistors on die surface area available for active use rather than being wasted off as heat due their being stuck at zero volts point potentials due high resistance values between gates/transistors themselves + other parasitic resistances present inside semiconductor circuit elements themselves like capacitors etcetera .”

After reading this article, you should have a good understanding of how the 8051 uses current during its normal operation.