Amlogic A311D是一款高级AI通用型SoC处理器，集成了强大的CPU、GPU和NPU（神经网络加速器），支持4K视频编解码器引擎和一流的HDR图像处理管道。主系统CPU基于大.小架构，集成了四核ARM Cortex-A73 CPU集群和双核Cortex-A53集群，具有统一的二级缓存，以提高系统性能。每个CPU核心包括单独的NEON SIMD协处理器，以改进软件媒体处理能力。NPU还支持所有流行的深度学习框架的INT8推理，包括TensorFlow和Caffe。
图形子系统包括两个图形引擎和一个灵活的视频/图形输出管道。ARM Mali-G52 MP4（6EE）GPU处理所有OpenGL ES 3.2 Vulkan 1.1和OpenCL 2.0图形程序，而2.5D图形处理器处理额外的缩放、alpha、旋转和颜色空间转换操作。CPU和GPU共同处理所有操作系统、网络、用户界面和游戏相关任务。视频输出管道包括杜比Visionoptional和advanced HDR10、HDR10+、HLG和主HDR处理、REC709/BT2020处理、运动自适应边缘增强去隔行扫描、灵活的可编程标量和许多图像增强过滤器将增强图像传递到视频输出端口。
Amlogic视频引擎（AVE-10）从所有视频编解码器处理中卸载Cortex-A53 CPU。信息技术包括专用硬件视频解码器和编码器。AVE-10能够解码4Kx2K分辨率75fps的视频，具有完整的可信视频路径（TVP），用于安全应用程序，支持全格式，包括MVC、MPEG-1/2/4、VC-1/WMV、AVS、AVS+、AVS2 RealVideo、MJPEG流、H.264、H265-10、VP9和JPEG图片，无大小限制。独立编码器能够在JPEG或H.265/H.264，最高可达1080p，每秒60帧。
A311D集成了所有标准音频/视频输入/输出接口，包括带3D的HDMI2.1发射机，动态HDR、CEC和HDCP 2.2支持、立体声音频DAC、CVBS输出、4通道MIPI DSI接口、多个TDM、PCM、I2S和SPDIF数字音频输入/输出接口，以及8通道远场PDM数字麦克风（DMIC）输入。4通道MIPI-CSI和DVP接口可支持高达8MP的速度，内置高质量ISP的摄像头输入。
A311D还集成了一组用于数字电视广播流的功能块。内置的双解复用器可以处理来自串行和并行传输流输入接口的电视流，该接口可以连接至外部调谐器/解调器。
处理器具有丰富的高级网络和外围接口，包括10/100/1000M以太网带有RGMII、10/100M以太网PHY、一个USB XHCI OTG 2.0端口、一个USB3.0和PCIe 2.0组合的MAC接口和多个SDIO/SD卡控制器、UART、I2C、高速SPI和PWMs。支持使用GNU/GCC Android工具链的标准开发环境。
CPU Sub-system
- Quad core ARM Cortex-A73 and dual core ARM Cortex-A53 CPU
- ARMv8-A architecture with Neon and Crypto extensions
- Unified system L2 cache
- Build-in Cortex-M4 core for always on processing
- Advanced TrustZone security system
- Application based traffic optimization using internal QoS-based switching fabrics
NPU
- Neural network accelerator (NNA) with programmable engine (PPU) architecture
- 4 NNA with INT8 inference performance up to 5Tops
- 1 programmable processing unit (PPU) up to 12.8 GFLOPS FP16 or 6.4 GFLOPS FP32
- 512KB cache and 1MB on chip buffer
3D Graphics Processing Unit
- ARM G52 MP4(6EE) GPU
- 8-wide warps, 2x dual texture pipe, 6x 8-wide execution engines (EE)
- Concurrent multi-core processing
- OpenGL ES 3.2, Vulkan 1.1 and OpenCL 2.0 support
2.5D Graphics Processor
- Fast bitblt engine with dual inputs and single output A311D Datasheet
- 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 bits graphics 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 3DES
- Hardware crypto key-ladder operation and DVB-CSA 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 4Kx2K@60fps+1x1080P@60fps
- Supports multiple “secured” video decoding sessions and simultaneous decoding and encoding
- Video/Picture Decoding
o VP9 Profile-2 up to 4Kx2K@60fps
oH.265 HEVC MP-10@L5.1 up to 4Kx2K@60fps
o AVS2-P2 Profile up to 4Kx2K@60fps
oH.264 AVC HP@L5.1 up to 4Kx2K@30fps
oH.264 MVC up to 1080P@60fps
oMPEG-4 ASP@L5 up to 1080P@60fps (ISO-14496)
oWMV/VC-1 SP/MP/AP up to 1080P@60fps
o AVS-P16(AVS+) /AVS-P2 JiZhun Profile up to 1080P@60fps
oMPEG-2 MP/HL up to 1080P@60fps (ISO-13818)
oMPEG-1 MP/HL up to 1080P@60fps (ISO-11172)
oRealVideo 8/9/10 up to 1080P@60fps
oMultiple language and multiple format sub-title video support
oMJPEG and JPEG unlimited pixel resolution decoding (ISO/IEC-10918)
oSupports JPEG thumbnail, scaling, rotation and transition effects
oSupports *.mkv,*.wmv,*.mpg, *.mpeg, *.dat, *.avi, *.mov, *.iso, *.mp4, *.rm and *.jpg file formats
- Video/Picture Encoding
oIndependent JPEG and H.265/H.264 encoder with configurable performance/bit-rate
oJPEG image encoding
oH.265/H.264 video encoding up to 1080P@60fps with low latency
oDVP (ITU 601/656) camera interface
oSupports YUV or RGB camera input formats
9 th Generation Advanced Amlogic TruLife Image Engine
- Supports Dolby VisionOptional , HDR10, HDR10+, and HLG HDR
- 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, de jaggy, peaking
- Dynamic non-Linear contrast enhancement
- 3D LUTs with 17x17x17 nodes, provide 4913 different control points,which is competent for matching calibrated displays to a target colorspace
- High precision HSL color space-based color management with low saturation protection,independent luma/hue/saturation adjustment to achieve blue/green extension, fresh tone correction, and wider gamut for video
- 2 video planes and 3 graphics planes
- Independent HDR re-mapping of video and graphic layer
Camera Interface
- DVP parallel and MIPI-CSI camera interface with 4 lanes
- Supports RAW, YUV or RGB camera input formats
- Built-in 8MP HDR Image Signal Processor (ISP)
- Built-in image distortion correction engine
Video Output
- Built-in HDMI 2.1 transmitter including both controller and PHY with CEC, Dynamic HDR and HDCP 2.2, 4Kx2K@60 max resolution output
- CVBS 480i/576i standard definition output
- Supports all standard SD/HD/FHD video output formats: 480i/p, 576i/p, 720p, 1080i/p and 4Kx2K
- 4-lane MIPI DSI interface, resolution up to 1920*1080 with rotation and panel calibration
Audio Decoder and Input/Output
- Supports MP3, AAC, WMA, RM, FLAC, Ogg, Dolby Digital optional, Dolby Digital Plus optional, DTS optional and programmable with 7.1/5.1 down-mixing
- Built-in serial digital audio SPDIF/IEC958 input/output and PCM input/output
- 3 built-in TDM/PCM/I2S ports with TDM/PCM mode up to 384kHz x32bits x 8ch or 96kHz x32bits x 32ch and I2S mode up to 384kHz x 32bits x 8ch
- Digital microphone PDM voice 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
- 32-bit DRAM memory interface with dual ranks and max 4GB total address space
- Compatible with JEDEC standard DDR3-2133 /DDR3L-2133 /DDR4-3200 /LPDDR3-2133/LPDDR4-3200 SDRAM
- Supports SLC/MLC/TLC NAND Flash with 60-bit ECC, compatible to Toshiba toggle mode in addition to ONFI 2.2
- 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 5.0 HS200
- Supports serial 1, 2 or 4-bit NOR Flash via SPI interface A311D Datasheet
- Built-in 4k bits One-Time-Programming memory for key storage
Network
- Integrated IEEE 802.3 10/100/1000M Ethernet MAC with RGMII interface
- Integrated 10Note1/100M Ethernet PHY interface
- WiFi/IEEE802.11 & Bluetooth supporting via PCIE/SDIO /USB/UART/PCM
- Network interface optimized for mixed WIFI and BT traffic
Digital Television Interface
- One serial and one parallel 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
- One USB SS and PCIe 2.0 combo interface up to 5Gbps, supporting 2 configurations:
o1 USB 2.0 Host + 1 PCIe
o1 USB3.0 (No PCIe)
- Multiple PWM, UART, I2C and SPI interface with slave select
- Programmable IR remote input/output controllers
- Built-in 10bit 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
Power Management
- Multiple internal power domains controlled by software
- Multiple sleep modes for CPU, system, DRAM, etc.
- Multiple internal PLLs to adjust the operating frequencies
- Multi-voltage I/O design for 1.8V and 3.3V
- Power management auxiliary processor in a dedicated always-on (AO) power domain for system stand-by
Security
- 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, 16.1mmx14.3mm, 0.6mm ball pitch, RoHS compliant A311D Datasheet
