Scythian specifications:

A multicore heterogeneous architecture based on processor cores and synergistic processing elements

• Central Processing Unit (CPU):

  • ARM Cortex-A53 4-core cluster, 1.2 GHz; L1 cache – 32 KB, L2 cache – 1 MB;

  • ARM GIC500 interrupt controller;

  • 128-bit NEON SIMD/FPU coprocessors.

• Trusted zone and service subsystem:

  • 32 bit CPU0 core, 600 MHz;

  • trusted timers;

  • trusted memory;

  • trusted interrupts;

  • trusted power and frequency control system;

  • trusted input-output;

  • trusted entropy source;

  • embedded temperature and voltage sensors;

  • trusted loading mechanism.

• Digital module for communication and mobile applications:

  • 32 bit CPU1 core; 600 MHz;

  • high-performance double DSP core, 600 MHz:

    • 1.2 TFLOPs (FP16);

    • data formats: 8/16/32/64 bit (fixed point) and 16/32/64 bit (floating point);

    • DSP-core peak performance (operations per cycle):

      • floating-point format: FP64 – 64 MAC, FP32 – 256 MAC, FP16 – 1024 MAC;

      • fixed-point format: INT64 – 8 MAC, INT32 – 64 MAC, INT16 – 256 MAC, INT8 – 1024 MAC;

    • C-compiler;

  • GNSS navigation core:

    • GLONASS/GPS/BeiDou/GALILEO support;

    • external RF unit;

    • software support.

  • support for neural network algorithm features;

  • digital filters and accelerators;

  • 2 MB on-chip memory;

• Multimedia and video processing:

  • ISP core:

    • support for 2 4K streams @ 30 or 1 4K stream @60;

    • framing, decimation, positioning;

    • pixel correction;

    • HDR support;

    • scaling;

    • statistics functions.

  • VPU ARM Mali V61

    • HEVC/H.264;

    • data format: 10/8 bit 4.2.2 and 4.2.0;

    • support for 1 4K stream @ 60 or 2 4K streams @ 30;

    • JPEG/MPEG support.

  • PowerVR Series8XE GE8300 GPU:

    • Clock frequency - 550 MHz;

    • OpenGL, OpenCL, OpenVG support;

    • OpenCL API;

    • Vulkan support.

• Interfaces:

  • 2 DDR memory controllers: DDR3/ LPDDR3/ DDR4/ LPDDR4, 32 bit, 3200 Mbit/s per line with ECC support;

  • 2 PCIe controllers: line configuration - 2 x 4; PCI Express 3.0 support, speed per line – 8 GT/s;

  • 2 Ethernet controllers: 1 Gbit/s;

  • 2 JESD controllers: 204B, 4 lines, up to 12.5 Gbit/s per line;

  • 16 bit ONFI 3.2NAND Flash controller;

  • 2 USB 3.0 DRD controllers;

  • 2 SD/eMMC 4.5 controllers;

  • 4 UART controllers;

  • 4 I2C controllers;

  • Multi-channel I2S audio interface;

  • 2 dedicated SPI controllers;

  • PWM port;

  • 2 MFBSP controllers (LPORT, SPI, I2S, GPIO);

  • 64 multiplexed GPIO outputs;

  • A multi-channel peripheral DMA;

  • Video input ports for camera connection: 2 MIPI CSI2 ports, a parallel port;

  • Video output port for display connection: MIPI DSI or RGB, support of 4К@30 resolution, HDR support;

  • 2 QuadSPI NOR Flash (XiP) controllers;

  • Watchdog timer (WDT).

• Programming and debugging:

  • UltraSoC debugging system with various cores and statistic functions;

  • Debugging via USB or JTAG;

  • Software tools; a wide range of OS.

• Manufacturing process: CMOS, 28 nm, TSMC process;

• Operating temperatures: - 60 … +85oC;

• Embedded temperature and voltage sensors;

• Standard power consumption: 5-7 W or lower;

• Adaptive power consumption controller; battery supply and power standby support;

• Power voltage: 3.3 V/ 1.8 V/ 0.9 V;

• Package: 1936 HFCBGA, 23 x 23 mm, pin pitch – 0.5 mm.