Microchip Technology ATMEGA329A-MU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $17.68 | $17.68 |
| 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 | Tray | NULL |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | SPI, UART/USART, USI |
| Peripherals | Brown-out Detect/Reset, LCD, POR, PWM, WDT |
| Number of I/O | 54 |
| 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 ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-QFN (9x9) |
| Package / Case | 64-VFQFN Exposed Pad |
| ROHS |
The Microchip ATMEGA329A-MU is an 8-bit AVR MCU featuring an integrated LCD controller, 32KB flash, and 2KB SRAM. It operates from 1.8V to 5.5V at up to 20MHz, making it ideal for low-power, display-centric applications. The 64-VFQFN package offers a compact solution for portable devices.
- Integrated LCD driver: Eliminates external display ICs, saving cost and space.
- Ultra-low voltage: 1.8V operation enables single-cell battery designs.
- High-speed AVR core: 20MHz for responsive user interfaces.
- Flexible power: 1.8V-5.5V range supports various power sources.
- Compact package: 64-VFQFN with exposed pad for thermal management.
Portable Medical Devices
1.8V operation and integrated LCD driver enable compact glucose meters and pulse oximeters with low power.
Smart Meters
LCD display and 20MHz processing handle real-time energy monitoring in utility meters.
Wearable Fitness Trackers
Low voltage and integrated display reduce component count for wrist-worn devices.
Industrial Instrumentation
Wide voltage range and LCD readout suit panel meters and process indicators.
Consumer Appliances
LCD interface simplifies control panels for microwaves and washing machines.
Environmental Sensors
Low power and direct LCD display support weather stations and air quality monitors.
- Q: What is the maximum clock speed?
- A: It runs at up to 20MHz.
- Q: Does it have an LCD controller?
- A: Yes, it includes a built-in LCD driver for direct segment control.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V.
- Q: What is the program memory size?
- A: It has 32KB (16K x 16) of flash memory.
- Q: What package is available?
- A: It comes in a 64-VFQFN exposed pad package.
- Q: What is the maximum clock speed?
- A: It runs at up to 20MHz.
- Q: Does it have an LCD controller?
- A: Yes, it includes a built-in LCD driver for direct segment control.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V.
- Q: What is the program memory size?
- A: It has 32KB (16K x 16) of flash memory.
- Q: What package is available?
- A: It comes in a 64-VFQFN exposed pad package.

ATMEGA329A-MU.pdf