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地址:中国广东深圳市龙华新区民康路口蓝坤大厦1603室
 
 
公司简介
简介

ATJ227X是一款针对媒体播放器市场的多核主控芯片,具有高性能、低功耗、高集成度的特点。其内核是一个32bit的RISC处理器,最高时钟频率可达450MHz。芯片同时内建了高性能的视频编解码引擎、图形处理单元(GPU)、强大的显示引擎以及高带宽的DDR/DDRII/Mobile DDR控制器。

ATJ227X拥有高清分辨率(720P)的视频编解码处理能力,支持市面上常见的绝大部分视频和音频格式。在视音频输出方面,ATJ227X内建了HDMI Transmitter,同时也支持CVBS,YPbPr,5.1声道,SPDIF,IIS等输出。ATJ227X同时支持CPU和RGB接口,且内建了触摸屏控制接口。其集成内建的USB 2.0 (HS 480Mbps) 接口拥有Host功能,除了和电脑连接充当U盘Slave模式外,还可以读取其它U盘中的媒体内容。ATJ227X内建的Nand Flash控制器,支持8bit/12bit/24bit/40bit ECC容纠错能力。在扩展连接能力方面,ATJ227X支持2-bit Nor Flash接口,SD/MMC/MS卡接口以及各类丰富的外设接口,比如IIC,SPI,UART,IR,SPDIF,I2S等,这些接口可以扩展出Wi-Fi, LAN, Bluetooth, IRC等连接功能。此外,这款芯片也内建了高性能的PMU电源管理单元。ATJ227X系列主控芯片平台能够为客户提供专业的多媒体播放器应用的一揽子解决方案。



功能特性:


+ High Speed 32bit RISC
  - run up to 450MHz
  - 16KB I-Cache and 16KB D-cache   
  - 24KB DSPRAM and 8KB ISPRAM

+ Video Engine
  - All format of 720P video supported, 30fps, up to 20Mbps averagely
  - Support MPEG-4 encoding, up to 720P resolution 

+ JPEG Codec
  - Decoding/Encoding up to 4096*4096
  - Decoding Format: YCbCr 4:2:2, YCbCr 4:2:0 

+ Graphic Processing Unit
  - Completely compatible with OpenVG 1.0
  - Hardware accelerated Pattern Tilling/FashFil/Affine Transform/Device Font

+ Memory Interface
  - DDR/DDRII/M-DDR memory controller, 16bit data bus, supporting up to 256MB, 200MHz max
  - Nand Flash controller with 8/12/24/40bit ECC, x8data bus, 3.1V, supporting 2RB and 4CE, and hardware randomizer supported
  - SPI Nor Boot Supported

+ LCD Controller
  - Support CPU interface LCD
  - Support up to 24bit RGB interface
  - Support LCD resolution up to 1024*1024

+ Display Engine
  - Four moveable layers
  - Alpha blending and color space converting 

+ Audio Engine
  - All format of Audio decoding supported
  - Several format of Audio encoding supported

+ CMOS Sensor Interface
  - Support BT656&BT601 Interface

+ TV Out
  - Support CVBS/YPbPr/YCrCr/HDMI output, up to 720P resolution

+ Highly-integrated peripherals
  - USB 2.0 complies with OTG 2.0
  - SDIO interface support SD/HCSD/MicroSD/miniSD/MS memory card, MMC/RSMMC/MMC PLUS card
  - A variety of serial controllers supporting UART,SPI, I2C, I2S, SPDIF,  
  - Support Chip ID (Programmable for customer)
  - 2 Timers
  - Build in Touch panel controller; IRC built in.
  - Build in stereo Sigma-Delta DAC(SNR>96dB), build in stereo Sigma-Delta ADC (SNR >89dB)

+ High performance PMU built-in


封装
ATJ2275B LQFP176-EPAD
ATJ2273B LQFP128-EPAD
图片
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