The document describes a high-performance, low-power AVR® 8-bit microcontroller with advanced RISC architecture, large capacity data and non-volatile program memory, internal SRAM, debug interface, and various peripheral features.
The ATmega16/32/64M1/C1 is a low‑power 8‑bit AVR microcontroller with an enhanced RISC core, up to 1 MIPS per MHz, and a rich set of peripherals including CAN, LIN, ADC, DAC, PWM and on‑chip debug. It is offered in 16 KB, 32 KB and 64 KB flash variants with up to 4 KB SRAM and up to 2 KB EEPROM, targeting automotive and industrial applications.
The document details pin‑out diagrams, memory organization, peripheral modules, power‑saving modes, electrical characteristics, package options, and programming information. It also includes automotive quality grading (AEC‑Q100), errata, ordering data, and revision history.
| Operating Voltage | 2.7 V – 5.5 V |
|---|---|
| ADC Resolution | 10‑bit |
| ADC Channels | Up to 11 single‑ended, 3 differential |
| DAC Resolution | 10‑bit |
| CAN Message Objects | 6 |
| Temperature Range | -40 °C to +125 °C |
| Core Speed Grade | 0‑8 MHz @ 2.7‑4.5 V, 0‑16 MHz @ 4.5‑5.5 V |
It operates from 2.7 V up to 5.5 V.
The device provides six CAN message objects.
It is qualified for -40 °C to +125 °C operation.