Microchip Technology ATMEGA329P-20MUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.49 | $6.49 |
| 15+ | $6.28 | $94.20 |
| 25+ | $6.15 | $153.75 |
| 50+ | $5.81 | $290.50 |
| 100+ | $5.12 | $512.00 |
| N+ | $1.02 | 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 | 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) | 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-QFN (9x9) |
| Package / Case | 64-VFQFN Exposed Pad |
| ROHS |
The Microchip ATMEGA329P-20MUR is a high-speed 8-bit AVR microcontroller featuring an integrated LCD driver. It operates at up to 20MHz with 32KB flash and 2KB SRAM. The 64-VFQFN exposed pad package enhances thermal dissipation. Supply voltage ranges from 2.7V to 5.5V, with built-in POR, PWM, WDT, and brown-out detection. This MCU is optimized for applications needing both processing power and direct LCD control.
- 20MHz operation provides faster response for complex display and control tasks.
- Exposed pad package improves heat dissipation for demanding environments.
- Integrated LCD driver reduces external component count.
- Low-power modes extend battery life in portable devices.
High-Performance Point-of-Sale Terminals
The 20MHz clock and LCD driver enable fast, responsive user interfaces for payment keypads and displays.
Portable Data Loggers
With low-power sleep modes and WDT, it can log sensor data over long periods while displaying status on an LCD.
Smart Energy Meters
The integrated LCD and PWM support multi-tariff display and load control in residential electricity meters.
Medical Infusion Pumps
Its 20MHz processing and 32KB flash allow precise pump control algorithms with real-time LCD feedback.
Industrial Weighing Scales
The exposed pad package improves thermal performance, while the LCD driver simplifies weight display.
Automotive Climate Control
Operating at 85°C, it can manage fan speed via PWM and show temperature on a segmented LCD.
- Q: What is the speed grade of this MCU?
- A: It operates at up to 20MHz.
- Q: Does it support LCD directly?
- A: Yes, it has an integrated LCD driver.
- Q: What is the package type?
- A: It is available in a 64-VFQFN exposed pad package.
- Q: What is the RAM size?
- A: It includes 2K x 8 SRAM.
- Q: What voltage does it need?
- A: It requires 2.7V to 5.5V supply.
- Q: What is the speed grade of this MCU?
- A: It operates at up to 20MHz.
- Q: Does it support LCD directly?
- A: Yes, it has an integrated LCD driver.
- Q: What is the package type?
- A: It is available in a 64-VFQFN exposed pad package.
- Q: What is the RAM size?
- A: It includes 2K x 8 SRAM.
- Q: What voltage does it need?
- A: It requires 2.7V to 5.5V supply.

ATMEGA329P-20MUR.pdf