S-SRAM: 17280 bits S-SRAMUser Flash: 608K bits User FlashDisplay interface: -, 40P RGB interface, 8P SPI screen interfaceWith IF card holderDownloader: Onboard USB-JTAG&UART downloaderCore configuration:Logical Units (LUT4): 8640Register (FF): 6480Distributed Static Random Access Memory SSRAM (bits): 17280Block Static Random Access Memory B-SRAM (bits): 468KThe number of block static random access memory BSRAM (pcs): 26User Flash (bits): 608KPSRAM (bits): 64MHigh-performance DSP module: support 9x9, 18x18, 36x36bit multiplication and 54bit accumulatorMultiplier (18x 18 Multiplier ): 20SPI FLASH: 32M-bitFlexible PLL resources: 2 Phase Locked Loops (PLLs)Debugger: Onboard BL702 chip, providing USB-JTAG download and USB-UART serial port printing functions for GW1NR-9Connector: TF card holder, 2x24P 2.54mm pin header pad: 2 user programmable LEDs: 6 programmable LEDs onboardMaterial: PCBcolour: blackPackage Contents:1 x Motherboard2 x 2.54mm pin header1 x Type-C data cableOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.