ATMEGA2561V-8AUR
IC MCU 8BIT 256KB FLASH 64TQFP
Quick Answer: The ATMEGA2561V-8AUR is a Microchip Technology AVR ATmega 8-bit microcontroller in a 64-TQFP (14x14) surface-mount package.
- Manufacturer
- Microchip Technology
- Product Category
- Microcontrollers - MCU
- Package
- 64-TQFP
- Stock
- 6,445 pcs
- Availability
- Current quantity subject to confirmation.
Product Attributes
| Manufacturer | Microchip Technology |
|---|---|
| Product Category | Microcontrollers - MCU |
| Connectivity | EBI/EMI, I2C, SPI, UART/USART |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Data Converters | A/D 8x10b |
| EEPROM Size | 4K x 8 |
| Mounting Type | Surface Mount |
| Number of I/O | 54 |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Oscillator Type | Internal |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Product status | Active |
| Program Memory Size | 256KB (128K x 16) |
| Program Memory Type | Flash |
| RAM Size | 8K x 8 |
| Series | AVR® ATmega |
| Speed | 8MHz |
| Supplier Device Package | 64-TQFP (14x14) |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Datasheet | View Datasheet PDF |
Procurement Snapshot
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Detailed Description for ATMEGA2561V-8AUR
Product Overview
The ATMEGA2561V-8AUR is a Microchip Technology AVR ATmega 8-bit microcontroller in a 64-TQFP (14x14) surface-mount package. It combines an AVR core with 256KB (128K x 16) FLASH program memory, 8K x 8 RAM, and 4K x 8 EEPROM. The device operates from 1.8V to 5.5V and has an 8MHz speed with an internal oscillator. The 54 I/O pins, eight 10-bit ADC channels, and EBI/EMI, I2C, SPI, and UART/USART interfaces provide control and interfacing functions. The package and supply range support compact board layouts where a controller manages digital, analog, and communication functions.
Key Features
- 8-bit AVR core with 8MHz speed and internal oscillator
- 256KB (128K x 16) FLASH program memory, 8K x 8 RAM, and 4K x 8 EEPROM
- 54 I/O pins for digital control and interfacing
- Eight 10-bit ADC channels for analog sensor measurement
- EBI/EMI, I2C, SPI, and UART/USART connectivity
- Brown-out detect/reset, POR, PWM, and WDT peripherals
- 1.8V to 5.5V supply range and -40°C to 85°C operating temperature
- 64-TQFP (14x14) surface-mount package
Applications
- Embedded control for devices with multiple digital inputs and outputs
- Analog sensor measurement using eight 10-bit ADC channels
- Communication interfaces using EBI/EMI, I2C, SPI, or UART/USART connections
- PWM-based control circuits for output modulation
- Nonvolatile parameter storage using 4K x 8 EEPROM
Design & Procurement Notes
Designers should confirm that the 64-TQFP (14x14) surface-mount footprint and 54 I/O pin count fit the board layout. The 1.8V to 5.5V supply range and -40°C to 85°C ambient temperature range define the electrical and thermal operating envelope. The 256KB FLASH, 8K x 8 RAM, and 4K x 8 EEPROM should be matched to firmware, variable, and nonvolatile data requirements. If bus or peripheral expansion is needed, the EBI/EMI, I2C, SPI, and UART/USART interfaces should be evaluated against the planned system architecture. The eight 10-bit ADC channels, PWM outputs, brown-out detect/reset, POR, and WDT can be used in control designs that require analog measurement, timing, and reset supervision.
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