ATMEGA32M1-AUR【PDF 1/11 页】IC MPU AVR 32K 20MHZ 32TQFP

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8209ES–AVR–11/2012

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

– 16/32/64KBytes flash of in-system programmable program memory

– 512B/1K/2KBytes of in-system programmable EEPROM

– 1/2/4KBytes internal SRAM

– Write/erase cycles: 10,000 flash/ 100,000 EEPROM

– Data retention: 20 years at 85°C/ 100 years at 25°C (1)

– Optional boot code section with independent lock bits

In-system programming by on-chip boot program

True read-while-write operation

– Programming lock for flash program and EEPROM data security

On-chip debug interface (debugWIRE)

CAN 2.0A/B with six message objects - ISO 16845 certified

LIN 2.1 and 1.3 controller or 8-bit UART

One 12-bit high speed PSC (power stage controller)

– 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 three fully differential ADC channel pairs

Programmable gain (5×, 10×, 20×, 40×) 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

– 100A ±2% current source (LIN node identification)

– Interrupt and wake-up on pin change

– Programmable watchdog timer with separate on-chip oscillator

– On-chip temperature 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)

– Internal calibrated RC oscillator (8MHz)

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

Operating voltage: 2.7V - 5.5V

Extended operating temperature:

– -40°C to +85°C

Core speed grade:

– 0 - 8MHz @ 2.7 - 4.5V

– 0 - 16MHz @ 4.5 - 5.5V

8-bit Atmel megaAVR Microcontroller

ATmega16M1 / ATmega32M1 / ATmega64M1

Summary

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