Fangrui Product Details Tri-core Arm Cortex-a7 32-bit Core, Integrated Vfp, Supports Single-precision And Double-precision Floating-point Operations. Built-in Arm Cortex-m0 Mcu Design, Supports Smp And Amp Configurations. Built-in 128mb Ddrl3, Can Meet The Application Requirements Of Multi-core Operation. The Low-speed Interface Adopts Rockchips Rockchip Matrix Io Design, Which Allows Rich Multiplexing Functions To Share Limited Chip Pins, Making Peripheral Circuit Adaptation More Flexible. Built-in Audio And Video Codec, Supports Multiple Audio Input And Output, And Provides High-quality Audio Playback And Recording Functions. Processor: Tri-core Arm Cortex-a7 (1.2ghz) + Arm Cortex-m0 Memory: 128mb Ddr3l Usb: Usb Otg2.0 X 2 Screen Interface: Mipi Dsi 2-lane Gpio: 24 Rockchip Matrix Io Pins The Product Appearance And Printed Words May Vary Depending On The Batch, But This Does Not Affect Use. Specification:not Welded Colour:as Shown Material:pcb Package Contents: 1 * Development Board Only The Above Package Content, Other Pr