Microchip Technology ATMEGA32-16AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $25.00 | $25.00 |
| 15+ | $23.00 | $345.00 |
| 25+ | $22.50 | $562.50 |
| 50+ | $21.25 | $1,062.50 |
| 100+ | $18.75 | $1,875.00 |
| N+ | $3.75 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Tray | |
| 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) | 4.5V ~ 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 Microchip ATMEGA32-16AU is a high-performance 8-bit AVR microcontroller in a compact 44-TQFP package. It delivers 16MHz processing speed with 32KB flash memory and 2KB SRAM, ideal for demanding embedded control tasks. Its 4.5V-5.5V operation simplifies 5V system integration, while built-in brown-out detection and watchdog timer enhance reliability in industrial and automotive environments.
- High Throughput at 16MHz: Single-cycle instruction execution maximizes processing efficiency for time-critical control loops.
- Large 32KB Flash: Ample program storage for complex firmware, reducing the need for external memory and lowering BOM cost.
- Robust 5V Operation: Direct compatibility with legacy 5V peripherals and sensors eliminates level-shifting circuitry.
- Integrated Safety Features: Brown-out reset and watchdog timer ensure fail-safe operation in unstable power environments.
- Wide Temperature Range: -40°C to 85°C rating supports outdoor and industrial deployments.
Industrial Automation Controllers
The 32KB flash and 2KB SRAM provide ample space for control algorithms, while the 16MHz speed ensures fast response times for real-time monitoring and actuation in PLCs and industrial robots.
Automotive Aftermarket ECUs
With a 4.5V-5.5V supply and robust I/O, this MCU can interface directly with 5V automotive sensors and actuators, making it suitable for engine control modules and body control units in retrofit applications.
Medical Monitoring Devices
The integrated 10-bit ADC and PWM outputs enable precise sensor signal conditioning and controlled motor drive for portable patient monitors and infusion pumps, operating reliably across -40°C to 85°C.
Smart Home Gateways
Its UART, SPI, and I2C interfaces allow seamless connection to Wi-Fi or Zigbee modules, while the 32KB flash stores network stack configurations for smart lighting and security systems.
Power Tool Motor Control
The PWM channels and WDT ensure safe, efficient brushless DC motor commutation, with brown-out detection preventing erratic behavior during battery voltage drops.
Data Logging Systems
Combined with external EEPROM via SPI, the 2KB SRAM buffers high-frequency sensor data, and the low-power idle modes extend battery life in remote environmental loggers.
- Q: What is the operating voltage range of the ATMEGA32-16AU?
- A: The ATMEGA32-16AU operates from 4.5V to 5.5V.
- Q: What is the maximum clock speed?
- A: It supports a maximum speed of 16MHz.
- Q: How much flash memory does it have?
- A: It features 32KB of in-system programmable flash memory.
- Q: What package is this device available in?
- A: It comes in a 44-pin TQFP package.
- Q: Does it include analog comparators?
- A: Yes, it includes an 8-channel 10-bit ADC and analog comparator.
- Q: What is the operating voltage range of the ATMEGA32-16AU?
- A: The ATMEGA32-16AU operates from 4.5V to 5.5V.
- Q: What is the maximum clock speed?
- A: It supports a maximum speed of 16MHz.
- Q: How much flash memory does it have?
- A: It features 32KB of in-system programmable flash memory.
- Q: What package is this device available in?
- A: It comes in a 44-pin TQFP package.
- Q: Does it include analog comparators?
- A: Yes, it includes an 8-channel 10-bit ADC and analog comparator.

ATMEGA32-16AU.pdf