Microchip Technology ATMEGA32A-MNR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.20 | $4.20 |
| 15+ | $4.07 | $61.05 |
| 25+ | $3.98 | $99.50 |
| 50+ | $3.76 | $188.00 |
| 100+ | $3.32 | $332.00 |
| N+ | $0.66 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Cut Tape (CT) | NULL |
| 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 ~ 105°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 44-VQFN (7x7) |
| Package / Case | 44-VFQFN Exposed Pad |
| ROHS |  |
The Microchip ATMEGA32A-MNR is a high-performance 8-bit AVR microcontroller in a compact 44-VFQFN package. It delivers 16MHz processing with 32KB flash and 2KB SRAM, operating from 2.7V to 5.5V. Integrated brown-out detection, power-on reset, PWM, and watchdog timer enhance system reliability. Its extended temperature range supports demanding industrial and automotive applications.
- Wide voltage flexibility: 2.7-5.5V operation allows direct connection to 3.3V or 5V peripherals without level shifters.
- High reliability: Built-in BOD and WDT prevent system lockups in noisy environments.
- Compact footprint: 44-VFQFN saves PCB space while exposed pad improves thermal performance.
- Extended temperature: -40°C to 105°C suits outdoor and automotive installations.
Industrial Automation Controllers
The 16MHz AVR core with 32KB flash provides ample processing for PLCs and sensor nodes, while the 2.7-5.5V range simplifies power supply design.
Automotive Aftermarket ECUs
With a -40°C to 105°C range and robust brown-out detection, it handles harsh under-hood environments for engine control modules.
Portable Medical Devices
Low-power sleep modes and 2K RAM support firmware for glucose meters and pulse oximeters, ensuring long battery life.
Smart Home Gateways
PWM channels drive dimmers and motorized blinds, while WDT ensures reliable 24/7 operation in Zigbee or Z-Wave bridges.
Precision Agriculture Sensors
The 10-bit ADC (via POR) and 16MHz speed enable accurate soil moisture and pH monitoring with real-time calibration.
Security Access Panels
32KB flash stores encryption keys and access logs, while the exposed pad aids thermal dissipation in sealed enclosures.
- Q: What is the operating voltage range of the ATMEGA32A-MNR?
- A: The ATMEGA32A-MNR operates from 2.7V to 5.5V, making it suitable for battery and 5V systems.
- 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 available?
- A: It comes in a 44-VFQFN exposed pad package.
- Q: What is the temperature range?
- A: It operates from -40°C to 105°C.
ATMEGA32A-MNR.pdf
- Q: What is the operating voltage range of the ATMEGA32A-MNR?
- A: The ATMEGA32A-MNR operates from 2.7V to 5.5V, making it suitable for battery and 5V systems.
- 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 available?
- A: It comes in a 44-VFQFN exposed pad package.
- Q: What is the temperature range?
- A: It operates from -40°C to 105°C.
