Amlogic S905Y4芯片简介规格参数Datasheet

Amlogic S905Y4是一款通用型SoC处理器，专为混合OTT BOX/IP机顶盒（STB）和高端媒体盒应用而设计。S905Y4主系统CPU是一个四核ARM Cortex-A35 CPU，具有统一的二级缓存以提高系统性能。此外，Cortex-A35 CPU包括NEON SIMD协处理器，以提高软件媒体处理能力。支持4K场景下的媒体处理应用。

Amlogic S905Y4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 G31 MP2 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一起处理所有操作系统、网络、用户界面和游戏相关任务。视频输出管道包括HDR10+、HDR10和HLG处理、BT.709/BT.2020/BT.2100处理、运动自适应边缘增强去隔行、灵活的可编程定标器和许多图片增强过滤器，然后再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-A35 CPU。它包括专用硬件视频解码器和SW H.264/VP8编码器。AVE-10能够以60帧/秒的速度对4Kx2K分辨率的视频进行解码，具有完整的可信视频路径（TVP），用于se-cure应用，并支持完整格式，包括MPEG-1/2/4、VC-1/WMV、AVS、AVS+、AVS2 RealVideo、MJPEG流、AV1、H.264、H265-10以及无大小限制的JPEG图片。

该处理器集成了所有标准音频/视频输入/输出接口，包括一个HDMI 2.1传输接口，带有3D、动态HDR（w/EMP）、CEC和HDCP 2.2/2.3、ALLM（自动低延迟模式）支持、多个TDM、PCM、I2S和SPDIF数字音频输入/输出接口，以及2通道远场PDM数字麦克风（DMIC）输入。它还具有内置语音活动检测（VAD）模块，用于系统待机期间的ul-tra低功耗操作。S905Y4还集成了一组用于数字电视广播流的功能块。内置解复用器可以处理来自串行传输流输入接口的电视流，该接口可以连接到外部调谐器/解调器。处理器具有丰富的高级网络和外围接口，包括10/100M以太网MAC和PHY接口、一套USB2的多PHY、多个SDIO/SD卡控制器、UART、I2C、高速SPI和PWMs。

CPU Sub-system

Quad core ARM Cortex-A35 CPU
ARMv8-A architecture with Neon and Crypto extensions
8-stage in-order full dual issue pipeline
Unified system L2 cache
Build-in RISC-V core for system control processing
Advanced TrustZone security system
Application based traffic optimization using internal QoS-based switching fabrics

3D Graphics Processing Unit

ARM G31 MP2 GPU
4-wide warps, dual texture pipe, 2x 4-wide execution engines (EE)
Concurrent multi-core processing
OpenGL ES 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
TDES block cipher with ECB and CBC modes supporting 64 bits key for DES and 192 bits key for 3DESA35
RSA block cipher with 4K bits keys
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 SW 264/ VP8 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@L5.1 up to 4Kx2K@60fps
- VP9 Profile-2 up to 4Kx2K@60fps
- 265 HEVC MP-10@L5.1 up to 4Kx2K@60fps
- AVS2-P2 Profile up to 4Kx2K@60fps
- 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)
- RealVideo 8/9/10 up to 1080P@60fps
- 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 file formats

8th Generation Advanced Amlogic TruLife Image Engine

Supports HDR10+, HDR10, HLG HDR 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, de- jaggy, peaking
Dynamic non-Linear contrast enhancement
All dimension multiple regions smart color management including blue/green extension, flesh- tone correction, wider gamut for video
2 video planes and 3 graphics planes hardware composer

Independent HDR re-mapping of video and graphic layer

Video Input/Output Interface

Built-in HDMI 1 transmitter including both controller and PHY supporting CEC, Dynamic HDR and HDCP 2.2/2.3, 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

Audio Decoder and Input/Output

Supports MP3, AAC, WMA, RM, FLAC, DTSOptional and programmable with 1/5.1 down-mixing
Low-power VAD
Built-in serial digital audio IEC958 input/output, SPDIF input/output and PCM input/output, SPDIF supports 192KHz 16/24/32bit stereo
TDM/PCM/I2S audio interface supporting 2-channel input and 8-channel (7.1) output
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

32-bit DRAM memory interface with dual ranks and max 4GB total address space
Compatible with JEDEC standard DDR3-2133 /DDR3L-2133 /DDR4-2666 /LPDDR4-2666 SDRAM
Supports SLC NAND Flash with 60-bit ECC, compatible to Toshiba toggle mode in addition to ONFI 2
SDSC/SDHC/SDXC card and SDIO interface with 1-bit and 4-bit data bus width supporting spec version 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 0 HS400
Built-in 4k bits One-Time-Programming memory for key storage

Network

Integrated IEEE 3 10/100 Ethernet MAC controller and 10/100M PHY interface
WiFi/IEEE802.11, Bluetooth supporting via SDIO/USB/UART/PCM
Network interface optimized for mixed WIFI and BT traffic

Digital Television Interface

2 x DVB-C demodulatorsOptional
1 serial transport stream (TS) input interface with built-in demux processor for connecting to ex- ternal 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

Dual USB 0 high-speed USB I/O, one USB Host and one USB OTG

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
Integrated Power On Reset(POR) module

Power Management

Multiple internal power domains controlled by software
Multiple sleep modes for CPU, system, DRAM,
Multiple internal PLLs for DVFS operation
Multi-voltage I/O design for 8V and 3.3V
Power management auxiliary processor can communicate with an external PMIC

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