Microchip Technology ATMEGA329-16AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.30 | $6.30 |
| 15+ | $6.10 | $91.50 |
| 25+ | $5.97 | $149.25 |
| 50+ | $5.64 | $282.00 |
| 100+ | $4.97 | $497.00 |
| N+ | $0.99 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Tray | |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 16MHz |
| 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) | 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 | 64-TQFP (14x14) |
| Package / Case | 64-TQFP |
| ROHS |
The Microchip ATMEGA329-16AU is an 8-bit AVR microcontroller with a built-in segment LCD controller. It runs at 16 MHz and offers 32 KB flash memory and 2 KB SRAM. With a wide supply voltage range of 2.7V to 5.5V, it suits both battery and line-powered devices. The 64-TQFP package integrates PWM, WDT, and brown-out detection, making it a versatile choice for display-centric embedded systems.
- Integrated LCD Driver: Eliminates external display driver ICs, reducing BOM cost and PCB area.
- Wide Voltage Range: 2.7V to 5.5V supports both 3.3V and 5V systems, simplifying design.
- Proven AVR Core: Efficient 8-bit architecture with 16 MHz speed handles control tasks effectively.
- Robust Protection: Brown-out reset and watchdog timer enhance system reliability in unstable power conditions.
Smart Meters
The integrated LCD driver and 5.5V operation allow direct connection to utility meters, displaying consumption data without external display ICs.
Home Appliances
With 16 MHz speed and PWM outputs, it can control washing machine motors and user interfaces, providing reliable operation in noisy environments.
Battery-Powered Instruments
Its low-voltage operation down to 2.7V and power-saving modes extend battery life in handheld multimeters and thermometers.
Industrial Timers
The WDT and brown-out detection ensure accurate timing and safe shutdown in industrial process controllers.
Medical Monitoring
AVR core with 32 KB flash supports firmware for patient vital sign monitors, while LCD shows real-time data.
Automotive Dashboard
Operating from -40°C to 85°C, it can drive dashboard displays and read sensor inputs in entry-level vehicles.
- Q: What is the maximum clock speed?
- A: The ATMEGA329-16AU operates at up to 16 MHz, providing balanced performance for mid-range applications.
- Q: Does it have an LCD controller?
- A: Yes, it integrates a segment LCD controller, making it ideal for display-based devices.
- Q: What is the program memory size?
- A: It has 32 KB of in-system programmable flash memory.
- Q: What is the operating voltage range?
- A: It supports 2.7V to 5.5V, allowing flexible power supply designs.
- Q: What package is this MCU available in?
- A: It comes in a 64-pin TQFP package.
- Q: What is the maximum clock speed?
- A: The ATMEGA329-16AU operates at up to 16 MHz, providing balanced performance for mid-range applications.
- Q: Does it have an LCD controller?
- A: Yes, it integrates a segment LCD controller, making it ideal for display-based devices.
- Q: What is the program memory size?
- A: It has 32 KB of in-system programmable flash memory.
- Q: What is the operating voltage range?
- A: It supports 2.7V to 5.5V, allowing flexible power supply designs.
- Q: What package is this MCU available in?
- A: It comes in a 64-pin TQFP package.

ATMEGA329-16AU.pdf