Features
Benefits and Features
- Dual-Core, Low-Power Microcontroller
- Arm Cortex-M4 Processor with FPU up to 120MHz
- 2.5MB Flash, 64KB ROM, and 384KB 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 60 General-Purpose I/O Pins
- MIPI Camera Serial Interface 2 (MIPI CSI-2) Controller V2.1 – Support for Two Data Lanes
- 12-Bit Parallel Camera Interface
- I2S Controller/Target for Digital Audio Interface
- Secure Digital Interface Supports SD 3.0/SDIO 3.0/eMMC 4.51
- Convolutional Neural Network (CNN) Accelerator
- Highly Optimized for Deep CNNs
- 2 Million 8-Bit Weight Capacity with 1-, 2-, 4-, and 8-bit Weights
- 1.3MB CNN Data Memory
- Programmable Input Image Size up to 2048 x 2048 Pixels
- Programmable Network Depth up to 128 Layers
- Programmable per Layer Network Channel Widths up to 1024 Channels
- 1- and 2-Dimensional Convolution Processing
- Capable of Processing VGA Images at 30fps
- Power Management for Extending Battery Life
- Integrated Single-Inductor Multiple-Output (SIMO) Switch-Mode Power Supply (SMPS)
- 2.85V to 3.6V Supply Voltage Range
- Support of Optional External Auxiliary CNN Power Supply
- Dynamic Voltage Scaling Minimizes Active Core Power Consumption
- 23.9μA/MHz While Loop Execution at 3.3V 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