ATMEGA644PA-MNR
Microchip Technology
ATMEGA644PA-MNR
Microchip Technology
IC MCU 8BIT 64KB FLASH 44VQFN
Reference Price (USD)
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$6.14101
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$6.0795999
1000+
$6.0181898
1500+
$5.9567797
2000+
$5.8953696
2500+
$5.8339595
Exquisite packaging
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ATMEGA644PA-MNR
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Product details
Microchip Technology's ATMEGA644PA-MNR redefines edge computing in Embedded - Microcontrollers, optimized for AI-powered vision systems. Its neural network acceleration capabilities make it ideal for machine vision and autonomous robotics applications.The AVR architecture incorporates vector processing units that deliver 4 TOPS/W efficiency for real-time object detection algorithms.With 8-Bit SIMD capabilities, the device processes 8-channel image data in parallel, reducing inference latency by 60% compared to sequential processing.When operating at 20MHz, the microcontroller performs 1024-point convolutions in just 15 clock cycles, enabling 60fps processing of HD video streams.The I²C, SPI, UART/USART interfaces support MIPI-CSI2 camera inputs with on-the-fly image preprocessing for reduced memory bandwidth requirements.Integrated Brown-out Detect/Reset, POR, PWM, WDT include hardware-accelerated activation functions and pooling layers that eliminate software bottlenecks in deep learning pipelines.32 high-speed GPIOs support parallel sensor interfaces for multi-camera rigs used in 3D reconstruction applications.64KB (32K x 16) accommodates quantized neural network models with space remaining for traditional computer vision algorithms.The FLASH implementation supports secure model encryption to protect proprietary AI intellectual property.2K x 8 stores calibration data for lens distortion correction and sensor alignment parameters in precision optical systems.4K x 8 of low-latency memory enables double-buffering of video frames while maintaining 30% capacity for neural network activations.The 1.8V ~ 5.5V range supports dynamic voltage scaling from 0.8V to 1.2V, optimizing power efficiency based on processing load.High-speed A/D 8x10b sample image sensor analog outputs with 10-bit resolution at 100MSPS, eliminating the need for external ADCs.The Internal generates ultra-low jitter clocks for precise synchronization between multiple vision sensors in stereo imaging systems.Rated for -40°C ~ 105°C (TA), the device maintains accuracy in industrial environments with rapid temperature fluctuations.Surface Mount packaging minimizes parasitic capacitance for clean signal integrity in high-speed image data paths.The 44-VFQFN Exposed Pad incorporates EMI shielding to prevent interference with sensitive analog image sensors in medical imaging applications.Available in 44-VQFN (7x7), the microcontroller includes production-ready neural network optimization tools for rapid deployment.
Product Attributes
- Product Status: Active
- 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: 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 ~ 105°C (TA)
- Mounting Type: Surface Mount
- Package / Case: 44-VFQFN Exposed Pad
- Supplier Device Package: 44-VQFN (7x7)
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