Microchip Technology ATMEGA329PA-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.60 | $5.60 |
| 15+ | $5.42 | $81.30 |
| 25+ | $5.30 | $132.50 |
| 50+ | $5.01 | $250.50 |
| 100+ | $4.42 | $442.00 |
| N+ | $0.88 | 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 | 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-TQFP (14x14) |
| Package / Case | 64-TQFP |
| ROHS |
The ATMEGA329PA-AU from Microchip Technology is an 8-bit AVR microcontroller with a built-in LCD controller. It operates at up to 20MHz with 32KB flash and 2KB RAM. Supporting a wide voltage range of 1.8V to 5.5V, it is ideal for battery-powered and display-centric applications. The 64-TQFP package provides ample I/O for user interfaces.
- Integrated LCD driver eliminates external display driver ICs, reducing BOM cost.
- 1.8V operation supports single-cell battery designs.
- 32KB flash allows complex application code with room for bootloaders.
- AVR core ensures efficient code execution at 20MHz.
Metering Displays
The integrated LCD driver and low power consumption make it perfect for utility meters and flow totalizers.
Portable Instrumentation
1.8V operation and 20MHz speed enable handheld multimeters and data loggers with graphical LCDs.
Home Automation Panels
With 32KB flash and LCD support, it can manage thermostat interfaces and security keypads.
Medical Monitoring Devices
Low-voltage operation and WDT ensure reliable operation in wearable health monitors.
Industrial Timers
PWM outputs and brown-out detection provide accurate timing for industrial process controllers.
Smart Appliances
The LCD interface simplifies adding display features to washing machines and microwaves.
- Q: What is the core architecture of the ATMEGA329PA-AU?
- A: It uses the AVR 8-bit RISC core running at up to 20MHz.
- Q: Does it have an LCD controller?
- A: Yes, it includes an integrated LCD driver for direct segment display control.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V.
- Q: How much program memory does it have?
- A: It has 32KB flash (16K x 16 bits).
- Q: What is the core architecture of the ATMEGA329PA-AU?
- A: It uses the AVR 8-bit RISC core running at up to 20MHz.
- Q: Does it have an LCD controller?
- A: Yes, it includes an integrated LCD driver for direct segment display control.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V.
- Q: How much program memory does it have?
- A: It has 32KB flash (16K x 16 bits).

ATMEGA329PA-AU.pdf