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Overview

The ATmega16/32/64/M1/C1 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega16/32/64/M1/C1 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

Features

? High Performance, Low Power AVR 8-bit Microcontroller

? Advanced RISC Architecture

– 131 Powerful Instructions - Most Single Clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

– Up to 1MIPS throughput per MHz

– On-chip 2-cycle Multiplier

? Data and Non-Volatile Program Memory

– 16K/32K/64K 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

– 512/1024/2048 Bytes of In-System Programmable EEPROM

? Endurance: 100,000 Write/Erase Cycles

? Programming Lock for Flash Program and EEPROM Data Security

? 1024/2048/4096 Bytes Internal SRAM

? On Chip Debug Interface (debugWIRE)

? CAN 2.0A/B with 6 Message Objects - ISO 16845 Certified (1)

? LIN 2.1 and 1.3 Controller or 8-Bit UART

? One 12-bit High Speed PSC (Power Stage Controller) (only ATmega16/32/64M1)

? 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 Emergency Event

? Peripheral Features

– One 8-bit General purpose Timer/Counter with Separate Prescaler, Compare Mode

and Capture Mode

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

Mode and Capture Mode

– One Master/Slave SPI Serial Interface

– 10-bit ADC

? Up To 11 Single Ended Channels and 3 Fully Differential ADC Channel Pairs

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

? Internal Reference Voltage

? Direct Power Supply Voltage Measurement

– 10-bit DAC for Variable Voltage Reference (Comparators, ADC)

– Four Analog Comparators with Variable Threshold Detection

– 100μA ±6 Current Source (LIN Node Identification)

– Interrupt and Wake-up on Pin Change

– Programmable Watchdog Timer with Separate On-Chip Oscillator

– On-chipTemperature Sensor

? Special Microcontroller Features

– Low Power Idle, Noise Reduction, and Power Down Modes

– Power On Reset and Programmable Brown Out Detection

– In-System Programmable via SPI Port

– High Precision Crystal Oscillator for CAN Operations (16MHz)