Microchip Technology ATMEGA328P-ANR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.00 | $5.00 |
| 15+ | $4.60 | $69.00 |
| 25+ | $4.50 | $112.50 |
| 50+ | $4.25 | $212.50 |
| 100+ | $3.75 | $375.00 |
| N+ | $0.75 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 23 |
| Program Memory Size | 32KB (16K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 1K x 8 |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 32-TQFP (7x7) |
| Package / Case | 32-TQFP |
| ROHS |
The Microchip ATMEGA328P-ANR is a robust 8-bit AVR microcontroller in a 32-pin TQFP package, designed for extended temperature operation from -40°C to +105°C. It retains the full feature set of the ATMEGA328P family, including 32KB of flash memory, 2KB of SRAM, and 1KB of EEPROM. Operating at up to 20MHz, it provides high computational throughput. The device integrates a 10-bit ADC, multiple timers, and standard serial interfaces. This variant is specifically suited for automotive and industrial applications where environmental stress is a concern.
- Extended temperature range: -40°C to +105°C ensures reliable operation in harsh thermal environments.
- Compact TQFP-32 package: Saves PCB space while providing 23 I/O pins for peripheral connectivity.
- High-speed processing: 20MHz clock enables fast response in real-time control systems.
- Proven AVR architecture: Well-documented instruction set and extensive toolchain support accelerate development.
Automotive Engine Control Units
The extended temperature range of up to +105°C allows this MCU to operate reliably under the hood, managing sensor inputs and actuator outputs in engine management systems.
Industrial Automation Modules
In factory floors with high ambient heat, this TQFP package provides a compact, reliable solution for controlling conveyor belts, robotic arms, and process monitoring equipment.
Outdoor IoT Gateways
With its wide temperature tolerance, it can be deployed in outdoor enclosures for smart agriculture or environmental monitoring, handling data aggregation from multiple sensors.
Power Tool Controllers
The 32-pin TQFP fits into compact handles of power tools. The 20MHz speed enables fast PWM control for brushless motors, while the temperature rating withstands heat from the motor.
Avionics Sensors
For non-critical cabin systems, the -40°C to +105°C range covers most aviation environments, providing reliable data acquisition for pressure and temperature sensors.
High-Reliability Consumer Appliances
In ovens or dishwashers where temperatures can rise, this MCU ensures stable operation of control panels and motor drives, reducing warranty returns.
- Q: What is the operating temperature range?
- A: This variant supports -40°C to +105°C, making it suitable for harsh automotive or industrial environments.
- Q: What package is the ATMEGA328P-ANR?
- A: It comes in a 32-pin TQFP package, offering a compact surface-mount solution.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V, providing flexibility for various power supplies.
- Q: What is the maximum clock speed?
- A: It supports up to 20MHz, ensuring fast execution of control algorithms.
- Q: Does it have the same memory as the DIP version?
- A: Yes, it has 32KB flash and 2KB SRAM, identical to the ATMEGA328P-PU.
- Q: What is the operating temperature range?
- A: This variant supports -40°C to +105°C, making it suitable for harsh automotive or industrial environments.
- Q: What package is the ATMEGA328P-ANR?
- A: It comes in a 32-pin TQFP package, offering a compact surface-mount solution.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V, providing flexibility for various power supplies.
- Q: What is the maximum clock speed?
- A: It supports up to 20MHz, ensuring fast execution of control algorithms.
- Q: Does it have the same memory as the DIP version?
- A: Yes, it has 32KB flash and 2KB SRAM, identical to the ATMEGA328P-PU.

ATMEGA328P-ANR.pdf