This document describes a high-performance, low-power AVR® 8-bit microcontroller with advanced RISC architecture, high endurance non-volatile memory, JTAG interface, and various peripheral features.
This datasheet describes the ATmega325P/V and ATmega3250P/V 8‑bit AVR microcontrollers, highlighting their high‑performance, low‑power architecture, on‑chip peripherals, and memory resources. It includes a block diagram, pin‑out diagrams, and detailed descriptions of each I/O port and special function.
The document also provides electrical characteristics such as operating speed, power consumption, temperature range, and package options, along with revision history and contact information for Atmel technical support.
| Flash memory | 32 KB |
|---|---|
| EEPROM | 1 KB |
| SRAM | 2 KB |
| Programmable I/O lines | 54 / 69 |
| Maximum throughput | Up to 20 MIPS at 20 MHz |
| Power‑down current consumption | 40 nA at 1.8 V |
| Operating temperature range | -40 °C to 85 °C (industrial) |
| Package options | 64‑lead TQFP, 64‑pad QFN/MLF, 100‑lead TQFP |
| ADC | 8‑channel, 10‑bit |
The devices are available in 64‑lead TQFP, 64‑pad QFN/MLF, and 100‑lead TQFP packages.
It includes an 8‑channel, 10‑bit analog‑to‑digital converter.
The JTAG interface provides boundary‑scan capabilities according to the IEEE 1149.1 standard.
It contains 32 KB of In‑System Self‑programmable Flash memory.