AVR64DD28T-I/SS

The AVR64DD28/32 microcontrollers in the AVR DD family feature an AVR CPU with a hardware multiplier, operating at clock speeds up to 24 MHz, with 64 KB Flash, 8 KB SRAM, and 256 bytes EEPROM. The microcontrollers are available in 28-pin or 32-pin packages. The AVR DD family leverages the latest Microchip Technology innovations, featuring a flexible and low-power architecture that includes an event system, intelligent analog features, and advanced digital peripherals.

Key features

• AVR CPU: up to 24 MHz operating speed, single-cycle I/O access, two-level interrupt controller, two-cycle hardware multiplier, supply voltage range: 1.8V to 5.5V
• Memory: 64 KB in-system self-programmable Flash, 256-byte EEPROM, 8 KB SRAM, 32-byte user row in non-volatile memory, data retention during chip erase, programmable when device is locked
• System: power-on reset circuit, brown-out detector, clock options including high-accuracy internal high-frequency oscillator up to 24 MHz, internal PLL for Timer/Counter type D high-frequency operation, 32.768 kHz ultra-low-power internal oscillator, 32.768 kHz external crystal oscillator, external clock input, external high-frequency crystal oscillator with clock failure detection, single-pin unified programming and debug interface, three sleep modes, automatic CRC Flash scan, watchdog timer with window mode and independent on-chip oscillator, external interrupts on all general-purpose pins
• Peripherals: one 16-bit Timer/Counter type A with three compare channels for PWM and waveform generation, three 16-bit Timer/Counter type B with input capture and signal measurement, one 12-bit PWM Timer/Counter type D optimized for power control, one 16-bit real-time counter operable from external crystal or internal oscillator, two USARTs, one SPI with host/client operation modes, one two-wire interface with dual address match, event system for CPU-independent and predictable inter-peripheral signal routing, configurable custom logic with four programmable look-up tables, one 12-bit differential 130 ksps ADC, one 10-bit DAC, one analog comparator, one zero-cross detector, internal 1.024V / 2.048V / 2.500V / 4.096V voltage references with external reference option
• I/O and Packages: multi-voltage I/O on I/O port C, selectable input voltage thresholds, up to 27/26 programmable I/O pins, 32-pin VQFN 5×5 mm and TQFP 7×7 mm, 28-pin SPDIP, SSOP, SOIC, and VQFN
• Temperature Range: Industrial: -40°C to +85°C, Extended: -40°C to +125°C