ATMEGA328P-AU 8-Bit Microcontroller 32KB Flash 1.8V-5.5V 20MHz 23 I/O TQFP-32 Package
The ATmega328P-AU is a high-performance, low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. This 32KB Flash memory microcontroller delivers exceptional processing efficiency with throughputs approaching 1 MIPS per MHz, enabling optimal power consumption versus processing speed optimization.
- High Performance AVR® 8-Bit Microcontroller with RISC Architecture
- 32KB In-System Self-Programmable Flash Memory
- 2KB Internal SRAM and 1KB EEPROM
- 131 Powerful Instructions with Most Single Clock Cycle Execution
- Six PWM Channels and 8-channel 10-bit ADC
- Multiple Communication Interfaces: USART, SPI, I2C
- Six Power-Saving Sleep Modes for Low Power Applications
- Wide Operating Temperature Range: -40°C to 85°C
| Attribute | Value |
|---|---|
| Manufacturer | Microchip Technology |
| Package Type | 32-TQFP (7x7) |
| Program Memory Size | 32KB FLASH |
| RAM Size | 2KB |
| EEPROM Size | 1KB |
| Core Processor | AVR |
| Maximum Clock Frequency | 20 MHz |
| ADC Channels | 8 channels, 10-bit resolution |
| Timers/Counters | Three (Two 8-bit, One 16-bit) |
| Connectivity | USART, SPI, I2C |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
This microcontroller achieves exceptional power efficiency with active mode consumption of just 0.3 mA at 1 MHz, 1.8V, and 25°C. The advanced RISC architecture with 32 general purpose working registers directly connected to the ALU enables two independent registers to be accessed in a single instruction executed in one clock cycle.
The ATMEGA328P-AU is available in a compact 32-pin TQFP package (7x7mm), making it suitable for space-constrained applications while providing 23 programmable I/O lines for versatile system integration.
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