Maxim Integrated MAX78000 AI Microcontroller

MAX78000 – Ultra-low-power Arm Cortex-M4 processor with FPU-based microcontroller with Convolutional Neural Network Accelerator.

The MAX78000 is is an advanced system-on-chip built to enable neural networks to execute at ultra-low power and live at the edge of the IoT. This product combines the most energy-efficient AI processing with Maxim’s proven ultra-low power microcontrollers. The hardware-based convolutional neural network (CNN) accelerator enables battery-powered applications to execute AI inferences while spending only microjoules of energy.

In addition to the memory in the CNN engine, the MAX78000 has large on-chip system memory for the microcontroller core, with 512KB flash and up to 128KB SRAM. Multiple high-speed and low-power communications interfaces are supported, including I2S and a parallel camera interface (PCIF).

The device is available in 81-pin CTBGA (8mm x 8mm, 0.8mm pitch) and 130-pin WLP (4.6mm x 3.7mm, 0.35mm pitch) packages.

Key features

Dual Core Ultra-Low-Power Microcontroller

• Arm Cortex-M4 Processor with FPU Up to 100MHz
• 512KB Flash and 128KB SRAM
• Optimized Performance with 16KB Instruction Cache
• Optional Error Correction Code (ECC-SEC-DED) for SRAM
• 32-Bit RISC-V Coprocessor up to 60MHz
• Up to 52 General-Purpose I/O Pins
• 12-Bit Parallel Camera Interface
• One I2S Master/Slave for Digital Audio Interface

Neural Network Accelerator

• Highly Optimized for Deep Convolutional Neural Networks
• 442k 8bit Weight Capacity with 1,2,4,8-bit Weights
• Programmable Input Image Size up to 1024 x 1024 pixels
• Programmable Network Depth up to 64 Layers
• Programmable per Layer Network Channel Widths up to 1024 Channels
• 1 and 2 Dimensional Convolution Processing
• Streaming Mode
• Flexibility to Support Other Network Types, Including MLP and Recurrent Neural Networks

Power Management Maximizes Operating Time for Battery Applications

• Integrated Single-Inductor Multiple-Output (SIMO) Switch-Mode Power Supply (SMPS)
• 2.0V to 3.6V SIMO Supply Voltage Range
• Dynamic Voltage Scaling Minimizes Active Core Power Consumption
• 22.2μA/MHz While Loop Execution at 3.0V from Cache (CM4 only)
• Selectable SRAM Retention in Low-Power Modes with Real-Time Clock (RTC) Enabled

Security and Integrity

• Available Secure Boot
• AES 128/192/256 Hardware Acceleration Engine
• True Random Number Generator (TRNG) Seed Generator

more information: https://www.maximintegrated.com/en/products/microcontrollers/MAX78000.html/product-details/tabs-3#design-developement

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