Amlogic A311D2 Chip Parameters and Applicable Scenarios

Amlogic A311D2

Amlogic A311D2 is a SoC designed for intelligent display applications, supporting 8K decoding and rich interfaces in audio and video input and output.AD311D2 CPU adopts an octa-core size core design, which integrates a quad-core ARM Cortex-A73 and a quad-core Cortex-A53, and adopts an ARM Mali-G52 MP8 (8EE) GPU for the graphics peripheral. 8EE) GPU with support for OpenGL ES 3.2, Vulkan 1.1, and 0penCL 2.0 graphics programs, and a 2.5D graphics processor to handle additional scaling, alpha, rotation, and color-space conversion operations. the CPU and GPU work together to handle all operating system, network, user interface, and game-related tasks.


Amlogic Video Engine (AVE-10) is a subsystem that uses dedicated hardware video decoders and encoders that are not CPU intensive. The major video formats that AVE-10 can decode include MPEG-1/2/4, VC-1/WMV, AVS+, AVS2, MJPEG, H.264, H265-10, VP9-10, AV1 and JPEG, Independent encoder supports JPEG format 1080P@60fps Encoding and H.265/H.264 4K@5fps Encoding.


The video/graphics output supports Dolby Vision (optional), HDR10+, HDR10, HLG and Techni, color prime HDR processing, BT.2020/BT.2100 processing, motion compensation and motion adaptive de-interlacer, flexible programmable superscalar, local dimming, and multi-frame image enhancement filtering the enhanced image before passing it to the video output port. It supports 3 independent display controllers that can be flexibly configured for V-by-One, LVDS, eDP, MIPDS and HDMI outputs. It supports 3 HDMI 2.1 receive required ports, and the HDMI ports can receive up to 4K2K HDR video with support for Dynamic HDR, ALLM, OFT, OMS, VRR and HDCP 1.4/2.3.


The A311D2 is optimized for low-power far-field voice applications. It integrates two dedicated HF5 DSPs for top audio front-end and wake-up word algorithms. It also features a built-in Voice Activity Detection (VAD) module for ultra-low-power operation during system standby and fully digital microphone interfaces including PDM, TDM and 12S for up to eight channels.


The SoC integrates a rich set of advanced networking and peripheral interfaces, including a 10/100/1000M Ethernet MAC with RGMI, 10/100M Ethernet PHY, USB 3.0 DRD, PCle 2.0 and USB 2.0 high-speed ports, SD10 3.0 controller, eMMC 5.1 controller and multiple SD10/SD card controllers, UART, 12C, high speed SPI PWMs and IR transceivers. Standard development environment supporting Secureos, Linux and GNU/GCC Android toolchain.


CPU Sub-system

Quad core ARM Cortex-A73 + Quad core Cortex-A53 CPU

ARMv8.0 architecture with Neon extensions and cryptography extension

Unified system L2 cache for each cluster

Advanced TrustZone security system

Application based traffic optimization using internal QoS-based switching fabrics

CoreSight debugger support


3D Graphics Processing Unit

ARM Mali-G52 MP8 (8EE) GPU

8-wide warps, 2x dual texture pipe, 8x 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

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

DES/3DES block cipher with ECB and CBC modes supporting 64 bits key for DES and 192 bits key for 3DES

Hardware key-ladder operation and DVB-CSA for transport stream encryption

Built-in hardware True Random Number Generator (TRNG) and SHA-1/SHA-2 engine


Video/Picture CODEC

Amlogic Video Engine (AVE-10) with dedicated hardware decoders up to 8Kx4K@24fps and encoders up to4Kx2K@50fps

Support multi-video decoder up to 4Kx2K@6ofps + 1x1080P@60fps

Supports multiple “secured” video decoding sessions and simultaneous decoding and encoding

Video/Picture Decoding

– AV1 MP-10@5.1 up to 8Kx4K@24fps or 4Kx2K@60fps

– H.265 HEVC MP-10@L5.1 up to 8Kx4K@24fps or 4Kx2K@60fps

– VP9 Profile 2-10 up to 8Kx4K@24fps or 4Kx2K@60fpsAVS2 MP up to 4Kx2K@60fps

– H.264 AVC HP@L5.1 up to 4Kx2K@30fps

– 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 *.mky,*.wmy*.mpg, *.mpeg, *.dat, *.avi, *.mov, *iso, *.mp4 and * jpg file formats


Video/Picture Encoding

-H.265 main-profile and H.264 high-profile video encoder up to 4k@50fps with low latency

-Independent JPEG and H.264 encoder with configurable performance/bit-rate

-JPEG image encoding up to 1080P at 6ofps


11th Generation Advanced Amlogic TruLife lmage Engine

Supports Dolby Vision Optional, HDR10/10+,HLG, HLG, Prime HDR

Full 12-bit internal data processing

Motion compensated noise reduction and 3D digital noise reduction for random noise up to 4K resolution

Block noise, mosquito noise, spatial noise and temporal 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, LTl, CTl, dejaggy, peakingReproduce more high-frequency details while protecting flesh tones flexibly.

Local contrast and dynamic non-Linear contrast for detail enhancement

3D LUTs with 17x17x17 nodes, provide 4913 different control points, which is competent for matching calibrateddisplays to a target color space

High precision HSL color space based color management with low saturation protection, independentluma/hue/saturation adjustment to achieve blue/green extension, fresh tone correction.and wider gamut for video

Video mixer: 4x1080p60 or 1x4Kp60 + 1x1080p60 graphic plane and 3x4Kp60 video plane

Independent HDR re-mapping of video and graphic layer

Local dimming control for high nits backlights


Video Input/output Interface

3x HDMl 2.1 receiver and 1x HDMl 2.1 transmitter ports with EMP, ALLM, OFT, OMS, VRR,ARC, HDCP 1.4 /2.3and up to 4Kx2K@60 max resolution

2x 8-lane V-by-One output with 1, 2, 4 regions supported, up to 4Kx2K 60Hz resolution

LVDS output supporting up to 3x 1280×720 or 1x 1280×720 + 1x 1920×1080 resolution

2x 4-lane MIP-DSl interface with panel calibration, resolution up to 2x 1920×1200 for each port

2x 4-lane eDP supporting panel up to 2560×1600 resolution

Three independent Gamma table for LCD panel tuning

Dithering logic for mapping to different LCD panel color depth


Camera Interface

MIPI-CSI camera interface with 2×4 lanes

Supports RAW, YUV or RGB camera input formats



16 Mp ISP with the resolution up to 4608×3456

HDR sensor de-companding/ Dynamic Defect Pixel Correction/ Green channel equalization/ EW image flip


Spatial/ Temporal/ Color Noise reduction

Static White balance

Lens shading correction


Chromatic aberration/ purple Fringing correction

linear matrix color correction

Gamma correction


GDC (Graphic Distortion Correction)

Supports single frame off line processing up to 8192×8192 video source

Supports processing performance up to 8M@60fps for single mode

Supports YUV semi-planer 420 format for both input and output

Supports gray scale image processing

Supports 360/ 180/ normal fish eye correction modes

Supports top/ wall/ table installation mode


Audio Processing and Input/Output

HiFi 5 audio DSP Optional for highly optimized audio/voice processing

-64 KB Instruction Cache and 96 KB Data Cache

-32 MPU entries

-MUL32, MUL16 and DIV32

-HiFi 5 Single Precision Vector FP

-HiFi 5 Half Precision Vector FP

– HiFi 5 Neural Network Extension

Supports MP3, AAC, WMA, RM, FLAC, Ogg, Dolby Audio Optional, DTS Optional and programmable with 7.1/5.1down-mixing

Low-power VAD and internal AEC loopback path

3 built-in TDM/12S ports with TDM/PCM mode up to 192kHz x 32bits x 8ch or 48kHz x 32bits x 32ch and 12smode up to 192kHz x 32bits x 8ch

Digital microphone PDM voice input with programmable CIC, LPF and HPF, support up to 8 DMICs

1 L/R analog input channel and 1 L/R output channel

Supports concurrent dual audio stereo channel output with combination of 12S+ PCM.

Supports Audio EQ/DRC for audio speaker.

Supports dynamic EQ adjustment.


DTV Broadcasting Interface

3x Transport stream (TS) input interface with built-in demux processor for connecting to external digital TVtuner/demodulator

Built-in PWM, 12C and SPI interfaces to control tuner and demodulator

Integrated ISO 7816 smart card controller


Memory and Storage Interface

64-bit DRAM memory interface with dual ranks and max 16GB total address space Compatible with JEDEC standard DDR4-3200 /LPDDR4/LPDDR4X-4266 SDRAM

4-bit SD card and 4-bit SDIO interface support up to SDR104/HS200 mode

8-bit eMMC memory interface support up to HS400 mode

Built-in 8k bits OTP memory for secured key storage


Network Interface

IEEE 802.3 10/100/1000M Ethernet MAC with RGMIl interface

10/100M Ethernet PHY interface

WiFi/IEEE802.11 supporting via PCle, USB or SDIO

Bluetooth supporting via USB or UART

Network interface optimized for mixed WIFl and BT traffic


lntegrated 1/0 Controllers and Interfaces

One USB 2.0 high-speed USB 1/0 which supports USB OTG

One USB 3.0 DRD port up to 5Gbps

One PCle 2.0 (Root Complex) port

Multiple UARTs, 12Cs and PWMs

SPI interface

Programmable remote control input circuitry and IR-blaster output

Built-in 10bit SAR ADC with 5 channels

General Purpose lOs 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 1/0 design for 1.8V and 3.3V



Trustzone based Trusted Execution Environment (TEE)

Secured boot, encrypted hardware self-setup 0TP, encrypted DRAM with memory integrity checker, hardware keyadder and internal control buses and storage

Separated secure/non-secure Entropy true RNG and video watermarking

Pre-region/ID memory security control and electric fence

Hardware based Trusted Video Path (TVP), and secured contents (needs Secureos software)

Secured lO and secured clock

Scroll to Top