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Overview

The AT90PWM216/316 are low-power CMOS 8-bit microcontrollers based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the AT90PWM216/316 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

The AVR core combines a rich instruction set with 32 general purpose working registers. All the 32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent registers to be accessed in one single instruction executed in one clock cycle. The resulting architecture is more code efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers.

Features

? High Performance, Low Power AVR? 8-bit Microcontroller

? Advanced RISC Architecture

– 129 Powerful Instructions - Most Single Clock Cycle Execution

– 32 x 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

– 16K Bytes Flash of In-System Programmable Program Memory

? Endurance: 10,000 Write/Erase Cycles

– Optional 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

? Endurance: 100,000 Write/Erase Cycles

– 1024 Bytes Internal SRAM

– Programming Lock for Flash Program and EEPROM Data Security

? On Chip Debug Interface (debugWIRE)

? Peripheral Features

– Two or three 12-bit High Speed PSC (Power Stage Controllers) with 4-bit Resolution Enhancement

? Non Overlapping Inverted PWM Output Pins With Flexible Dead-Time

? Variable PWM duty Cycle and Frequency

? Synchronous Update of all PWM Registers

? Auto Stop Function for Event Driven PFC Implementation

? Less than 25Hz Step Width at 150kHz Output Frequency

? PSC2 with four Output Pins and Output Matrix

– One 8-bit General purpose Timer/Counter with Separate Prescaler and Capture Mode

– One 16-bit General purpose Timer/Counter with Separate Prescaler, Compare Mode and Capture Mode

– Programmable Serial USART

? Standard UART mode

? 16/17 bit Biphase Mode for DALI Communications

– Master/Slave SPI Serial Interface

– 10-bit ADC

? Up To 11 Single Ended Channels and 2 Fully Differential ADC Channel Pairs

? Programmable Gain (5x, 10x, 20x, 40x on Differential Channels)

? Internal Reference Voltage

– 10-bit DAC

– Two or three Analog Comparator with Resistor-Array to Adjust Comparison Voltage

– 4 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 (4 bytes)

– In-System Programmable via SPI Port

– Internal Calibrated RC Oscillator (8 MHz)

– On-chip PLL for fast PWM (32 MHz, 64 MHz) and CPU (16 MHz)

? Operating Voltage: 2.7V - 5.5V

? Extended Operating Temperature:

– -40°C to +105°C