Amlogic S928X 8K智能电视SoC芯片采用1个A76大核和4个A55小核的五核心CPU架构，GPU采用Mali-G57 MC2，集成了运行AI模型的NPU，算力可达4TOPS，支持8K解码输出。从产品定义来看S928X是专为8K智能电视盒子设计的，拓展接口并不是特别多，不过相信会有团队适配Linux开源系统，进一步发掘这颗芯片的使用价值，下面是S928X的Datasheet，方便大家按需选型，定义产品。
Amlogic S928X specifications:
CPU Sub-system
� A big core ARM Cortex-A76 and quad core ARM Cortex-A55 CPU
� ARMv8-A architecture with Neon and Crypto extensions
� Private L2 cache and unified system L3 cache
� Build-in RISC-V core for system control processing
� Advanced TrustZone security system
� Application based traffic optimization using internal QoS-based switching fabrics
NPU
� Neural Network Accelerator(NNA) with Tensor Processing Unit (TPU) architecture
� Supports all major deep learning frameworks including Tensor Flow and Caffe
� up to 4.0 TOPS
3D Graphics Processing Unit
� ARM G57 MC2 GPU
� 16-wide warps, dual texture pipe, 16-wide execution engines (EE)
� Concurrent multi-core processing
� OpenGL ES 3.2, Vulkan 1.2 and OpenCL 2.0 support 2.5D Graphics Processor
� Fast bitblt engine with dual inputs and single output
� Programmable raster operations (ROP)
� Programmable polyphase scaling filter
� Supports multiple video formats 4:2:0, 4:2:2 and 4:4:4 and multiple pixel formats (8/16/24/32 bitsgraphics layer)
� Fast color space conversion
� Advanced anti-flickering filter
Crypto Engine
� AES/ block cipher with 128/256 bits keys, standard 16 bytes block size and streaming ECB,CBC and CTR modes
� TDES block cipher with ECB and CBC modes supporting 64 bits key for DES and 192 bits key for 3DESSM4blockcipherwithECB,CBC,CTRmodes,SM4blockcipherwithECB,CBC,CTRmodes
� RSA block cipher with 4K bits keys
� Hardware crypto key-ladder operation and for transport stream encryption
� Built-in hardware True Random Number Generator (TRNG), CRC and SHA-1/ SHA-2/HMAC SHA engine
Video/Picture CODEC
� Amlogic Video Engine (AVE) with dedicated hardware decoders and encoders
� Support multi-video decoder up to 4x1080P@60fps
� Supports multiple “secured” video decoding sessions and simultaneous decoding and encoding
� Video/Picture Decoding
− AV1 MP-10@L6.1 up to 8Kx4K@60fps
− VP9 Profile-2@6.1 up to 8Kx4K@60fps
− H.265 HEVC MP-10@L6.1 up to 8Kx4K@60fps
− AVS3 Phase 1 up to 8Kx4K@60fps
− AVS2-P2 Profile up to 8Kx4K@60fps
− H.264 AVC HP@L5.2 up to 4Kx2K@60fps
− MPEG-4 ASP@L5 up to 1080P@60fps (ISO-14496)
− WMV/VC-1 SP/MP/AP up to 1080P@60fps
− AVS-P16(AVS+) /AVS-P2 JiZhun Profile up to 1080P@60fps
− MPEG-2 MP/HL up to 1080P@60fps (ISO-13818)
− MPEG-1 MP/HL up to 1080P@60fps (ISO-11172)
− Multiple language and multiple format sub-title video support
− MJPEG and JPEG unlimited pixel resolution decoding (ISO/IEC-10918)
− Supports JPEG thumbnail, scaling, rotation and transition effects
− Supports *.mkv,*.wmv,*.mpg, *.mpeg, *.dat, *.avi, *.mov, *.iso, *.mp4, *.rm and *.jpg fileformats
� Video/Picture Encoding
− Independent JPEG and H.264/H.265 encoder with configurable performance/bit- rate
− JPEG image encoding up to 1080P@60fps
− H.265 video encoding up to 4K@60fps with low latency
− H.264 video encoding up to 4K@60fps with low latency
S928X Quick Reference Manual byScenSmart
8th Generation Advanced Amlogic TruLife Image Engine
� Supports Dolby Visionoptional, HDR10+, HDR10, HLG and HDR Vivid processing
� Motion compensated noise reduction and 3D digital noise reduction for random noise
� Block noise, mosquito noise, spatial noise, contour noise reduction
� Motion compensated and motion adaptive de-interlacer
� Edge interpolation with low angle protection and processing
� 3:2/2:2 pulldown and Video on Film (VOF) detection and processing
� Smart sharpness with SuperScaler technology including de-contouring, de-ring, LTI, CTI, dejaggy, peaking
� Dynamic non-Linear contrast enhancement
� All dimension multiple regions smart color management including blue/green extension, fleshtone correction, wider gamut for video
� 4 video planes and 2 graphics planes hardware composer
� Independent HDR re-mapping of video and graphic layer
Video Input/Output Interface
� Built-in full-feature HDMI 2.1a transmitter including both controller and PHY supporting CEC, Dynamic HDR and HDCP 2.2/2.3, 8Kx4K@60 max resolution output
� Support eARC, VRR, QMS, QFT, ALLM, DSC & SBTM
� Supports all standard SD/HD/FHD video output formats: 480i/p, 576i/p, 720p, 1080i/p, 4Kx2K and 8Kx4K
Audio Decoder and Input/Output
� Supports MP3, AAC, WMA, RM, FLAC,Ogg Vorbis, Opus, SRS Truvolume, Dolby AudioOptional,DTSOptional and programmable with 7.1/5.1 down-mixing
� Low-power VAD
� Built-in serial digital audio SPDIF/IEC958 input/output, and PCM input/output, SPDIF supports 192KHz 16/24/32bit stereo
� 3 built-in TDM/PCM/I2S ports with TDM/PCM mode up to 48kHz x 32bits x 32ch or 192kHz x 16bits x 16ch and I2S mode up to 384kHz x 32bits x 16ch
� Digital microphone PDM input with programmable CIC, LPF, HPF, support up to 8 DMICs
� Built-in stereo audio DAC
� Supports concurrent dual audio stereo channel output with combination of analog+PCM or I2S +PCM
Memory and Storage Interface
� 2×32-bit DRAM memory interface with dual ranks and max 8GB total address space
� Compatible with JEDEC standard standard DDR4-3200/LPDDR4/4X-4266 SDRAM
� SDSC/SDHC/SDXC card and SDIO interface with 1-bit and 4-bit data bus width supporting spec version 2.x/3.x/4.x DS/HS modes up to UHS-I SDR104
� eMMC and MMC card interface with 1/4/8-bit data bus width fully supporting spec version 5.1 HS400 with HW CQ
� Built-in 4k bits One-Time-Programming memory for key storage
Network
� Integrated IEEE 802.3 10/100/1000M Ethernet MAC with RGMII interface
� WiFi/IEEE802.11; Bluetooth supporting via PCIE/SDIO/USB/UART/PCM
� Network interface optimized for mixed WIFI and BT traffic Digital Television Interface
� 4 serial and 1 parallel/serial transport stream (TS) input interface with built-in demux processor for connecting to external digital TV tuner/demodulator
� Built-in PWM, I2C and SPI interfaces to control tuner and demodulator
� Integrated ISO 7816 smart card controller
Integrated I/O Controllers and Interfaces
� One USB XHCI OTG 2.0 port and two USB 2.0 host port
� One PCIE 2.0 port up to 5Gbps
� One USB 3.0 port up to 5Gbps
� Multiple PWM, UART, I2C and SPI interface with slave select
� Programmable IR remote input/output controllers
� Built-in 10 bit SAR ADC with 4 input channels
� A set of General Purpose IOs with built-in pull up and pull down
System, Peripherals and Misc. Interfaces
� Integrated general purpose timers, counters, DMA controllers
� 24 MHz crystal input
� Embedded debug interface using ICE/JTAG
� Integrated Power On Reset(POR) module
Power Management
� Trustzone based Trusted Execution Environment (TEE)
� Secured boot, encrypted OTP, encrypted DRAM with memory integrity checker, hardware key ladder and internal control buses and storage
� Separated secure/non-secure Entropy true RNG
� Pre-region/ID memory security control and electric fence
� Hardware based Trusted Video Path (TVP) , video watermarking and secured contents (needs SecureOS software)
� Secured IO and secured clock
Package
� FCBGA, 17mm x 16mm
