Microchip Technology ATMEGA329A-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.04 | $5.04 |
| 15+ | $4.88 | $73.20 |
| 25+ | $4.77 | $119.25 |
| 50+ | $4.51 | $225.50 |
| 100+ | $3.98 | $398.00 |
| N+ | $0.80 | 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 ATMEGA329A-AU is an 8-bit AVR microcontroller from Microchip, featuring a 20MHz core, 32KB Flash, and 2KB SRAM. It integrates a segment LCD controller, PWM, and multiple communication interfaces. Its wide voltage range and industrial temperature rating make it a versatile choice for display-centric embedded systems.
- Integrated LCD Driver: Directly drives segment LCDs, reducing external components and cost.
- High Speed: 20MHz AVR core handles complex display updates and control loops.
- Low Power: 1.8V operation and multiple sleep modes enable battery-powered designs.
- Industrial Grade: -40°C to 85°C operation ensures reliability in harsh environments.
Metering Displays
The integrated LCD driver and 20MHz AVR core enable smart meters with real-time data processing.
Industrial Panels
64-TQFP package and wide temperature range suit factory HMI panels.
Medical Monitors
Low power and LCD support make it ideal for portable patient monitors.
Home Automation
PWM and WDT provide reliable control for smart thermostats and lighting systems.
Battery-Powered Instruments
1.8V operation and sleep modes extend battery life in handheld tools.
Automotive Displays
Robust I/O and LCD capability support dashboard information clusters.
- Q: What is the maximum speed?
- A: The ATMEGA329A-AU runs at up to 20 MHz, balancing performance and power.
- Q: Does it have an LCD controller?
- A: Yes, it includes a built-in LCD driver for direct segment LCD interfacing.
- Q: What is the memory size?
- A: It has 32KB Flash and 2KB SRAM, suitable for mid-range applications.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C, suitable for industrial environments.
ATMEGA329A-AU.pdf
- Q: What is the maximum speed?
- A: The ATMEGA329A-AU runs at up to 20 MHz, balancing performance and power.
- Q: Does it have an LCD controller?
- A: Yes, it includes a built-in LCD driver for direct segment LCD interfacing.
- Q: What is the memory size?
- A: It has 32KB Flash and 2KB SRAM, suitable for mid-range applications.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C, suitable for industrial environments.
