ATMEL AVR Microcontroller ATmega32M1 Data Sheet

BDTIC www.bdtic.com/ATMEL

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 1 MIPS 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 8-bit

Endurance: 10,000 Write/Erase Cycles

Microcontroller

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: 50,000 Write/Erase Cycles Programming Lock for Flash Program and EEPROM Data Security Bytes In-System 1024/2048/4096 Bytes Internal SRAM On Chip Debug Interface (debug WIRE) Programmable CAN 2.0A/B with 6 Message Objects - ISO 16845 Certified (1)

LIN 2.1 and 1.3 Controller or 8-Bit UART Flash

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

ATmega16M1

Synchronous Update of all PWM Registers Auto Stop Function for Emergency Event ATmega32M1 Peripheral Features One 8-bit General purpose Timer/Counter with Separate Prescaler, Compare Mode ATmega64M1 and Capture Mode

One 16-bit General purpose Timer/Counter with Separate Prescaler, Compare ATmega32C1

Mode and Capture Mode

ATmega64C1

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

Automotive

Internal Reference Voltage Direct Power Supply Voltage Measurement 10-bit DAC for Variable Voltage Reference (Comparators, ADC) Four Analog Comparators with Variable Threshold Detection Preliminary 100µA ±3% Current Source (LIN Node Identification) Interrupt and Wake-up on Pin Change Programmable Watchdog Timer with Separate On-Chip Oscillator

Summary

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 (16 MHz)

1. See certification on Atmel web site. And note on Section 16.4.3 on page 175. 7647DS–AVR–08/08