Microchip Technology ATMEGA6490A-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.83 | $5.83 |
| 15+ | $5.65 | $84.75 |
| 25+ | $5.53 | $138.25 |
| 50+ | $5.22 | $261.00 |
| 100+ | $4.61 | $461.00 |
| N+ | $0.92 | 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 | 69 |
| Program Memory Size | 64KB (32K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 2K x 8 |
| RAM Size | 4K 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 | 100-TQFP (14x14) |
| Package / Case | 100-TQFP |
| ROHS |
The Microchip ATMEGA6490A-AU is an 8-bit AVR MCU with 64KB flash and 4KB SRAM, running at up to 20MHz. It features an integrated LCD controller, making it ideal for display-centric applications. With a 1.8V-5.5V supply range and 100-TQFP package, it offers a balanced mix of memory, I/O, and peripheral integration.
- Integrated LCD Driver: Directly drives segmented LCDs without external ICs, saving cost.
- Wide Voltage Operation: 1.8V-5.5V supports battery and 5V logic systems.
- Large I/O Count: 100-pin package provides ample GPIO for complex systems.
- Proven AVR Architecture: Efficient C-code execution and extensive toolchain support.
Metering Applications
Drive LCD displays and process sensor inputs for utility meters (water, gas, electricity) with low power consumption.
Industrial Instrumentation
Use the LCD driver and multiple I/O pins for panel meters, process controllers, and data loggers.
Medical Devices
Portable patient monitors and diagnostic tools benefit from the wide voltage range and reliable operation.
Home Appliances
Control washing machines, microwaves, and dishwashers with user-friendly LCD interfaces.
Automotive Aftermarket
Dashboard displays and climate control units can use the LCD driver and robust I/O.
Point-of-Sale Terminals
Handle keypad scanning and display updates in compact POS devices.
- Q: What is the maximum operating frequency?
- A: The AVR core runs at up to 20MHz.
- Q: Does it have an LCD controller?
- A: Yes, it includes a built-in LCD driver for segmented displays.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V.
- Q: What package is available?
- A: It is offered in a 100-pin TQFP package.
- Q: What is the maximum operating frequency?
- A: The AVR core runs at up to 20MHz.
- Q: Does it have an LCD controller?
- A: Yes, it includes a built-in LCD driver for segmented displays.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V.
- Q: What package is available?
- A: It is offered in a 100-pin TQFP package.

ATMEGA6490A-AU.pdf