Microchip Technology ATMEGA32A-AUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.05 | $4.05 |
| 15+ | $3.92 | $58.80 |
| 25+ | $3.83 | $95.75 |
| 50+ | $3.62 | $181.00 |
| 100+ | $3.20 | $320.00 |
| N+ | $0.64 | 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 | 16MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 32 |
| 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) | 2.7V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 44-TQFP (10x10) |
| Package / Case | 44-TQFP |
| ROHS |
The ATMEGA32A-AUR from Microchip Technology is a classic 8-bit AVR microcontroller known for its simplicity and robustness. It operates at up to 16MHz with 32KB flash and 2KB RAM, suitable for a wide range of control applications. Its 2.7V to 5.5V supply range makes it flexible for both 3.3V and 5V systems. The 44-TQFP package offers a compact yet accessible footprint for prototyping and production.
- Wide voltage range: 2.7V to 5.5V simplifies power supply design and supports legacy 5V logic.
- Proven architecture: The AVR core is well-documented with extensive community and official support.
- Integrated safety: Brown-out reset and WDT prevent system lockups in critical applications.
- Cost-effective: 32KB flash provides ample code space for mid-complexity projects at a low price point.
Automotive Aftermarket ECUs
With 5.5V tolerance and 16MHz speed, it handles engine sensor reading and actuator control in retrofitted vehicles.
Industrial Timer Relays
The 32KB flash allows storing multiple timing profiles, while WDT ensures fail-safe operation in machinery.
Home Appliance Controllers
Its wide voltage range and PWM outputs are ideal for washing machine or microwave control panels.
Educational Robotics Kits
The simple AVR architecture and 44-pin package make it easy for students to build line-following or obstacle-avoiding robots.
Agricultural Monitoring Systems
Low power consumption and robust reset features support long-term soil moisture and temperature logging.
Security Alarm Panels
Brown-out detection and POR provide reliable startup and operation in 24/7 security systems.
- Q: What is the operating voltage of the ATMEGA32A-AUR?
- A: It operates from 2.7V to 5.5V.
- Q: What is the maximum speed?
- A: The AVR core runs at up to 16 MHz.
- Q: How much flash memory does it have?
- A: It has 32KB of flash memory.
- Q: What package is this variant?
- A: It is available in a 44-TQFP package.
- Q: Does it include PWM and WDT?
- A: Yes, it features PWM, WDT, POR, and brown-out detection.
- Q: What is the operating voltage of the ATMEGA32A-AUR?
- A: It operates from 2.7V to 5.5V.
- Q: What is the maximum speed?
- A: The AVR core runs at up to 16 MHz.
- Q: How much flash memory does it have?
- A: It has 32KB of flash memory.
- Q: What package is this variant?
- A: It is available in a 44-TQFP package.
- Q: Does it include PWM and WDT?
- A: Yes, it features PWM, WDT, POR, and brown-out detection.

ATMEGA32A-AUR.pdf