UPD78F0551MA-FAA-AX

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Embedded - Microcontrollers

UPD78F0551MA-FAA-AX is a low-cost 8-bit microcontroller (MCU) designed to offer capabilities and features of a low-cost MCU with exceptional low-power consumption and current consumption. UPD78F0551MA-FAA-AX is based on the 8-bit core and features 512 bytes of on-chip RAM, a full range of timers, preset and reset circuit. Through the incorporation of a wide range of peripheral functions it becomes easy to handle complex and multiple tasks.

Application Field

UPD78F0551MA-FAA-AX microcontrollers are suitable for the following applications:

• Meters : Industrial Controllers, sensors, thermometers, BASIC
• Lighting Systems and Home Appliances : UPD78F0551MA-FAA-AX is ideal for various lamp control, LED dimming, LED, touch sensor, and home appliance control
• Automotive, Medical, Gaming and Retail Sector : UPD78F0551MA-FAA-AX can be used in automotive and medical applications due to its reliable performance, low power consumption and high resolution. It can be suitably used in gaming and retail applications as well.

Working Principle

UPD78F0551MA-FAA-AX works on a pulse-width modulation (PWM) principle, where it modulates the voltage that is being delivered to the load. The load is connected to the output of the PWM, which delivers a steady voltage to the load that is enough to power it up and make it run. The microcontroller serves as the interface between the load and the PWM, its job is to control the PWM to reduce power draw and balance the current that is being delivered to the load.

UPD78F0551MA-FAA-AX controls the PWM through the implementation of four main modules; an 8-bit processor unit (CPU), base timer module (BTIM), power timer module (PTIM) and power control timer module (PCTIM). The CPU serves as the interface between the user and the BTIM, it is responsible for executing instructions and updating the I/O. The base timer module is responsible for setting the PWM clock rate as well as setting the PWM duty cycle. The power timer module is responsible for modulating the PWM frequency and setting the current limit. Finally, the power control timer module is responsible for controlling both the power and current limit.

These four modules enable the microcontroller to accurately control the amount of current that is being delivered to the load and thus optimize the power draw. This allows the user to utilize the microcontroller in various applications such as home appliances, lighting systems and automotive sectors.

Conclusion

In conclusion, UPD78F0551MA-FAA-AX is a low-cost 8-bit microcontrollers, which is used in a wide range of applications due to its exceptional low-power consumption and current consumption capabilities. It works on the pulse-width modulation principle, where it modulates the voltage that is being delivered to the load. UPD78F0551MA-FAA-AX is a powerful and reliable microcontroller which combines the features of a low-cost MCU with the efficiency and low-power consumption of a PWM controlled load.

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