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AT90PWM81-16SN

The AT90PWM81-16SN is a microcontroller unit (MCU) developed by Atmel, which is now a part of Microchip Technology. This MCU belongs to the AT90PWM series, which is specifically designed for applications requiring pulse-width modulation (PWM) functionality.

Description:

The AT90PWM81-16SN is an 8-bit AVR microcontroller with 8 KB of in-system programmable flash memory. It features a high-performance, low-power AVR core and operates at a frequency of up to 16 MHz. The device is available in a 20-pin surface-mount QFN package.

Features:

1. 8-bit RISC architecture with 16 general-purpose working registers.
2. Up to 8 KB of in-system programmable flash memory with read-while-write capability.
3. 512 bytes of EEPROM.
4. 1 KB of SRAM.
5. PWM channels: 1-channel with 8-bit resolution.
6. 8 MHz internal RC oscillator with calibration.
7. 16 MHz external oscillator support.
8. 32 general-purpose I/O lines with optional hardware interrupts.
9. Nested interrupt controller with 16 levels.
10. On-chip debug system with JTAG interface.
11. Power-on reset and brown-out detection.
12. Sleep, power-save, and power-down modes for low-power operation.
13. 20-pin surface-mount QFN package.

Applications:

The AT90PWM81-16SN is suitable for a wide range of applications that require PWM functionality and low-power operation. Some of the potential applications include:

1. LED dimming and color control in lighting systems.
2. Motor control for small appliances and robotics.
3. Battery management systems for charging and discharging control.
4. Power supply control in switching mode power supplies (SMPS).
5. Temperature control in heating, ventilation, and air conditioning (HVAC) systems.
6. Industrial control and monitoring systems.
7. Consumer electronics, such as fans and cooling systems.
8. Medical equipment, like infusion pumps and diagnostic devices.

The AT90PWM81-16SN's combination of PWM capabilities, low-power operation, and compact form factor make it an ideal choice for applications where precise control and energy efficiency are crucial.