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The AVR32SD28-I/SS AVR® SD 8-bit microcontroller (MCU) combines an AVR CPU with a hardware multiplier, achieving a clock speed of up to 20MHz. This MCU offers a flexible low-power architecture, including an event system, accurate analog functions, and advanced digital peripherals.

The AVR32SD28-I/SS microcontroller adopts a dual-core architecture design and combines the RISC instruction set, achieving both high performance and low power consumption. This device consists of 2 ADC modules, 3 comparators, 2 zero-cross detectors, 2 watchdog timers, 3 USArts, 2 SPI interfaces, and 2 TWI interfaces. In addition, the AVR32SD28-I/SS also supports 12-bit differential ADC, 10-bit DAC and multi-voltage I/O channels, making it suitable for sensors and iot terminal nodes.

Technical parameters

Core processor: AVR

Kernel specification: 8 bits

Speed: 20MHz

Connection capabilities: I2C, IrDA, SMBus, SPI, UART/USART

Peripherals: Undervoltage detection/reset, POR, PWM, WDT

I/O number: 21

Program storage capacity: 32KB (32K x 8)

Program memory type: Flash memory

EEPROM capacity: 256 x 8

RAM size: 4K x 8

Voltage - Power supply (Vcc/Vdd) : 2.7V to 5.5V

Data converter: A/D 19x10b; D/A 1x10b

Oscillator types: external, internal

Operating temperature: -40°C to 85°C (TA)

Installation type: Surface mount type

Encapsulation: 28-SSOP

Typical applications

The AVR32SD28-I/SS MCU is suitable for scenarios with high requirements for power consumption and reliability, such as industrial control, automotive electronics, and Internet of Things terminal devices. It particularly performs outstandingly in sensor fusion and circuit board control.

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