SCYTHIAN processor
- DESCRIPTION
- SPECIFICATIONS
- DOCUMENTATION
- Development tools

Scythian
Scythian processor is a SoC with the architecture tailored to multimedia, navigation and communication applications: communication devices, tablet PCs, smart cameras, single-board computers, robotics and artificial intelligence systems.
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.
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Scythian processor includes:
4-core ARM Cortex-A53 CPU;
trusted boot loader and control circuit based on proprietary Multicore controller;
high-performance 2-core ELcore-50 DSP cluster with hardware support of signal processing, artificial intelligence algorithms based on neural networks and cryptography;
communication accelerators (Viterbi, Turbo, FFT and others);
programmable SDR unit.
The processor also features:
PowerVR GPU;
input/ output and image processing units 4K @ 60 fps (ISP with HDR, codec HEVC/H.264);
navigation core with GLONASS/GPS/BeiDou/GALILEO support.