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Features

? High performance, low power Atmel?AVR? 8-bit Microcontroller

? Advanced RISC architecture

– 131 powerful instructions - most single clock cycle execution

– 32 × 8 general purpose working registers

– Fully static operation

– Up to 1 MIPS throughput per MHz

– On-chip 2-cycle multiplier

? Data and non-volatile program memory

– 8/16Kbytes of in-system programmable program memory flash

? Endurance: 10,000 write/erase cycles

? Lock bits protection

? Optional 2/4Kbytes boot code section with independent lock bits

? In-system programming by on-chip boot program

? True read-while-write operation

– 512 Bytes of in-system programmable EEPROM

? Four bytes page size

– 256/1024 Bytes Internal SRAM

? On-chip debug support (debugWIRE)

? Peripheral features

– One 12-bit high speed PSC (Power Stage Controllers with extended PSC2 features)

? Non overlapping inverted PWM output pins with flexible dead-time

? Variable PWM duty cycle and frequency

? Synchronous update of all PWM registers

? Enhanced resolution mode (16 bits)

? Additional register for ADC synchronization

? Input capture

? Four output pins and output matrix

– One 12-bit high speed PSC (Power Stage Controller)

? Auto-stop function for event driven PFC implementation

? Non overlapping inverted PWM output pins with flexible dead-time

? Variable PWM duty cycle and frequency

? Synchronous update of all PWM registers

? Enhanced resolution mode (16 bits)

? Input capture

– One 16-bit simple general purpose timer/counter

– 10-bit ADC

? Up to 11 single ended channels and one fully differential ADC channel pair

? Programmable gain (5×, 10×, 20×, 40× on differential channel)

? Internal reference voltage

– One 10-bit DAC

– Three analog comparators with

? Resistor-array to adjust comparison voltage

? DAC to adjust comparison voltage

– One SPI

– Three external interrupts

– Programmable watchdog timer with separate on-chip oscillator

? Special microcontroller features

– Low power idle, noise reduction, and power down modes

– Power-on reset and programmable brown-out detection

– Flag array in bit-programmable I/O space (three bytes)

– In-system programmable via SPI port

– Internal low power calibrated RC oscillator (8MHz or 1MHz, low jitter)

– On chip PLL for fast PWM (32MHz, 48MHz, 64MHz) and CPU (12MHz, 16MHz); PLL source RC & XTAL

– Dynamic clock switch

– Temperature sensor

? Operating voltage: 2.7V - 5.5V

? Operating temperature:

– -40°C to +105°C or -40°C to +125°C

? Operating speed

– 5V: 16MHz core, 64MHz PLL

– 3.3V: 12MHz core, 48MHz PLL