Datasheet ATmega16M1, ATmega32M1, ATmega64M1 - Summary (Atmel) - 2

– 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 – 100μA ±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 Atmel ATmega16M1/32M1/64M1 [DATASHEET] 2 Atmel-8209F-ATmega16M1/32M1/64M1_Datasheet_Summary-10/2016 Document Outline Introduction Features Table of Contents 1. Pin configurations 1.1. Pin descriptions 2. Ordering Information 2.1. ATmega16M1 2.2. ATmega32M1 2.3. ATmega64M1 3. Overview 3.1. Block diagram 3.2. Pin descriptions 3.2.1. VCC 3.2.2. GND 3.2.3. Port B (PB7..PB0) 3.2.4. Port C (PC7..PC0) 3.2.5. Port D (PD7..PD0) 3.2.6. Port E (PE2..0) RESET/ XTAL1/XTAL2 3.2.7. AVCC 3.2.8. AREF 4. Resources 5. About code examples 6. Data retention 7. Packaging Information 7.1. 32-pin 32A 7.2. PV 32 QFN