晶晨Amlogic S905X参数性能，怎么样

分析如下：

1、Amlogic S812是晶晨最新最强的芯片，已经量产，但是国内目前用这个芯片的电视盒还不多，除了影驰芒果盒，还有小米盒子增强版、泰捷webox增强版以及天敏D6升级版，可以肯定的是下半年会有越来越多使用这个高性能新品的盒子出现。

2、

晶晨Amlogic S905X参数性能

晶晨Amlogic S905X是一款新出来的电视盒子芯片，下面是它的详细参数：

CPU Sub-system

Quad core ARM Cortex-A53 CPU up to 2GHz (DVFS)

ARMv8-A architecture with Neon and Crypto extensions

8-stage in-order full dual issue pipeline

Unified system L2 cache

Advanced TrustZone security system

Application based traffic optimization using internal QoS-based switching fabrics

3D Graphics Processing Uni

Penta-core ARM Mali-450 GPU up to 750MHz+ (DVFS)

Dual Geometry Processors and triple Pixel Processors

Concurrent multi-core processing

Full scene over-sampled 4X anti-aliasing engine with no additional bandwidth usage

OpenGL ES 1.1/2.0 and OpenVG 1.1 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/AES-XTS block cipher with 128/192/256 bits keys, standard 16 bytes block size and streaming ECB, CBC and CTR modes

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

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

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

Video/Picture Decoding

VP9 Profile-2 up to4Kx2K@60fps

H.265 HEVCMP-10@L5.1up to 4Kx2K@60fps

H.264 AVCHP@L5.1up to 4Kx2K@30fps

H.264 MVC up to 1080P@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)

RealVideo 8/9/10 up to 1080P@60fps

WebM up to VGA

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

Video/Picture Encoding

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

JPEG image encoding

H.264 video encoding up to 1080P@60fps with low latency

Video Post-Processing Engine

Supports HDR10 and HLGHDR processing

Motion adaptive 3D noise reduction filter

Advanced motion adaptive edge enhancing de-interlacing engine

3:2 pull-down support

Programmable poly-phase scalar for both horizontal and vertical dimension for zoom and windowing

Programmable color management filter (to enhance blue, green, red, face and other colors)

Dynamic Non-Linear Luma filter

Deblocking filters

Programmable color matrix pipeline

Video mixer: 2 video planes and 2 graphics planes per video output

Video Output

Built-in HDMI 2.0a transmitter including both controller and PHY with CEC, 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

Audio Decoder and Input/Output

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

I2S audio interface supporting 2-channel input and 8-channel (7.1) output

Built-in serial digital audio SPDIF/IEC958 output and PCM input/output

Built-in stereo audio DAC

Stereo digital microphone PDM input

Supports concurrent dual audio stereo channel output with combination of analog+PCM or I2S+PCM

Memory and Storage Interface

16/32-bit SDRAM memory interface running up to DDR2133

Supports up to 2GB DDR3/4, DDR3L, LPDDR2, LPDDR3 with dual ranks

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 HS400

Supports serial 1, 2 or 4-bit NOR Flash via SPI interface

Built-in 4k bits One-Time-Programming memory for key storage

Network

Integrated IEEE 802.3 10/100M Ethernet MAC controller with 10/100M PHY interface

Supports Energy Efficiency Ethernet (EEE) mode

WiFi/IEEE802.11 &Bluetooth supporting via SDIO/USB/UART/PCM

Network interface optimized for mixed WIFI and BT traffic

Integrated I/O Controllers and Interfaces

Dual USB 2.0 high-speed USB I/O, one USB Host and one USB OTG

Multiple UART, I2C and SPI interface with slave select

Multiple PWMs

Programmable IR remote input/output controllers

Built-in 10bit SAR ADC with 2 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 external power domains controlled by PMIC

Multiple internal power domains controlled by software

Multiple sleep modes for CPU, system, DRAM, etc.

Multiple internal PLLs for DVFS operation

Multi-voltage I/O design for 1.8V and 3.3V

Power management auxiliary processor in a dedicated always-on (AO) power domain that 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

Protected memory regions and electric fence data partition

Hardware based Trusted Video Path (TVP) , video watermarking and secured contents (needs SecureOS software)

Secured IO and secured clock

Package

LFBGA,13x13mm, 20×20 ball matrix, 0.65 ball pitch, RoHS compliant

拓展资料

1、晶晨半导体(Amlogic)是一家全球领先的无晶圆片上系统半导体公司，1995年创立，全球总部现设立于中国上海，研发中心和分支机构遍及美国加州Santa Clara、上海、深圳、台北及香港。

2、晶晨半导体(Amlogic)专注于高集成度的多媒体SoC芯片，为互联网电子产品和智能消费类设备提供专业、开放的平台解决方案，产品包括：智能机顶盒及智能电视，智能家居等。晶晨半导体通过结合专有的高清多媒体处理引擎和系统IP以及业内领先的多核处理器及图形处理技术，为客户提供先进的芯片解决方案。晶晨半导体的定制芯片解决方案集成度高，并能保证产品在尺寸，性能、功耗和价格方面达到良好平衡。晶晨半导体可为客户提供基于安卓系统，Qt系统以及HTML5标准的整体解决方案，帮助客户快速开发领先市场的产品。

（资料来源：百度百科：晶晨半导体（上海）有限公司）

晶晨半导体面试难。根据相关信息查询显示上海晶晨半导体有限公司应聘复试需要面试3轮，层层筛选，及格的人才能够留下，面试人数方面由于上海晶晨半导体有限公司的员工待遇福利很好，导致每次应聘人数都有一百多人，但是公司只招聘一两个，还是比较不容易的。晶晨半导体上海有限公司一家无晶圆片上系统半导体公司，创立于1995年，全球总部设立于中国上海，研发中心和分支机构遍及美国加州SantaClara、上海、深圳、中国台北及中国香港。晶晨半导体Amlogic专注于高集成度的多媒体SoC芯片，为互联网电子产品和智能消费类设备提供专业、开放的平台解决方案，产品包括智能机顶盒及智能电视，智能家居等。

amlogic是晶晨半导体，他没有推出7668的处理器的，它的cpu代码都是以S开头，比较常见的S80X或者81X系列，S90X 或者91X系列。7668的代码联发科倒是推出过，四位数字的命名联发科一直在用。如下的处理器介绍，就是集成多，性能针对性的够用。毕竟只是单核心，主频580MHz，架构是MIPS 24K，很入门的处理器了。

MEDIATEK 联发科技 MT7688AN 系统单芯片可应用于家庭自动化的桥接中心。它集成了 1T1R 802.11n Wi-Fi radio、580MHz MIPS 24KEc CPU、1-port fast Ethernet PHY、USB2.0 host、PCIe、SD-XC、 I2S/PCM，并支持多种低速输出入接口在单一颗系统单芯片当中。MT7688支持IoT gateway模式和IoT device模式。

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