CPU
64-bit dual-core RISC-V CPU
Up to 1GHz working frequency
Memory
Stacked 512Mibit DDR2 SDRAM / 1Gibit DDR3L SDRAM
Camera Interface
MIPI interfaces
Dual-CIS input
Neural-network Processing Unit
Multiple applications such as gesture recognition and speech recognition
Pre-processor
Image scaling
Image flipping and image mirroring
Rectangle/triangle/diamond drawing and filling
Mask
OSD
Image Signal Processor
Supports 2-Frame WDR
Supports 3A (AWB, AE, AF)
Gamma correction
Defect pixel correction
3D/2D noise reduction
Edge enhancement
Image Processing Unit
Image scaling
Distortion correction
Bitmap blending
Rotation at any angle
Mesh transform
Video Processor
H.265/H.264 encoder, resolution up to 3840*2160
JPEG encoder, resolution up to 16384*8192
Audio Codec
One 24-bit Sigma-Delta DAC
Two 16-bit Sigma-Delta ADCs
Peripheral Interface
USB、SPI、MMC/SD/SDIO、UART、TWI、PDM
Security
Secure boot
Hardware RSA, AES, DES and 3DES engine
Hardware HASH engine
True Random Number Generator