Microchip Technology ATMEGA1284P-AUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.79 | $6.79 |
| 15+ | $6.58 | $98.70 |
| 25+ | $6.44 | $161.00 |
| 50+ | $6.08 | $304.00 |
| 100+ | $5.36 | $536.00 |
| N+ | $1.07 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 32 |
| Program Memory Size | 128KB (64K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 4K x 8 |
| RAM Size | 16K 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 | 44-TQFP (10x10) |
| Package / Case | 44-TQFP |
| ROHS |
The Microchip ATMEGA1284P-AUR is a high-density 8-bit AVR microcontroller in a 44-TQFP package, offering 128KB flash and 16KB SRAM. Operating from 1.8V to 5.5V and up to 20MHz, it provides exceptional flexibility for battery-powered and high-performance applications. Its rich peripheral set and large memory make it a versatile choice for complex embedded systems.
- Massive 128KB Flash: Supports complex firmware and data logging without external memory, reducing system cost.
- Wide Voltage Range (1.8V-5.5V): Enables direct battery operation and 5V logic compatibility, simplifying power design.
- 20MHz High-Speed Operation: Delivers 20 MIPS throughput for demanding real-time tasks.
- 16KB SRAM: Ample workspace for buffering and dynamic data structures.
- Advanced Power Management: Multiple sleep modes and brown-out detection optimize energy consumption for portable devices.
IoT Edge Nodes
The 1.8V operation allows direct battery power from a single Li-ion cell, while 128KB flash stores extensive protocol stacks for MQTT/CoAP communication in smart agriculture sensors.
3D Printer Controllers
With 20MHz speed and 16KB SRAM, it can manage stepper motor timing and G-code interpretation simultaneously, supporting high-resolution printing with smooth motion.
Embedded Data Loggers
The large memory capacity enables on-chip storage of thousands of sensor readings, while the wide voltage range accommodates varying battery chemistries in remote monitoring.
Portable Medical Devices
Its low-power sleep modes and 1.8V core extend battery life in glucose meters and pulse oximeters, with the ADC accurately reading biosensor outputs.
Home Automation Hubs
Multiple UART/SPI interfaces connect to Zigbee, Z-Wave, and Wi-Fi modules, while the 128KB flash hosts complex automation rules and device pairing tables.
Vending Machine Controllers
The robust 5V I/O interfaces with coin acceptors and motor drivers, while the WDT ensures system recovery from EMI-induced faults in public environments.
- Q: What is the maximum clock frequency?
- A: It supports up to 20MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V.
- Q: How much flash memory is included?
- A: It has 128KB of flash memory.
- Q: What is the package type?
- A: It comes in a 44-TQFP package.
- Q: Does it have a brown-out detector?
- A: Yes, it includes a programmable brown-out detection circuit.
- Q: What is the maximum clock frequency?
- A: It supports up to 20MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V.
- Q: How much flash memory is included?
- A: It has 128KB of flash memory.
- Q: What is the package type?
- A: It comes in a 44-TQFP package.
- Q: Does it have a brown-out detector?
- A: Yes, it includes a programmable brown-out detection circuit.

ATMEGA1284P-AUR.pdf