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ATJ227X

 • ATJ227X是一个拥有多处理器的高集成度SOC,适用于高清多媒体解决方案。有一个32位RISC结构的MISP核,典型CPU频率450 MHz, 配合强大的视频引擎, 内置图形处理单元(GPU)和显示引擎,高效率总线、高速DDR / DDRII /移动DDR内存控制器。它可以实现高性能和低功耗。
 • ATJ227X能够支持全格式视频解码,分辨率可达高清; 支持全格式音频解码,内置audio codec。支持720P分辨率录像。音频/视频文件可以通过High Definition Display Interface,CVBS,色差端子,5.1通道,SPDIF,IIS播放。ATJ227X支持RGB和CPU  LCD 接口, 支持内置触摸控制板。 集成的USB V2.0(HS)拥有OTG功能,这使的该平台作为主设备或从设备,大容量存储器速度达到480 mbps。Nandflash控制器,内置8位/ 12位/ 24位/ 40位ECC ,给TLC Nand的提供随机数发生器。2路SPI(SNor)闪存控制器,SD / MMC卡控制器和多功能串行外围接口(IIC,SPI * 2、UART * 2、IR、SPDIF,i2),能够支持各种内存,和wi - fi等功能,支持局域网,蓝牙,IRC。此外,内置的电源管理单元提供必要的系统能力和管理内部和外部的功耗,真正实现降低系统功耗。
 • 因此,ATJ227X可以提供真正的“一站式”解决方案,是适合高清设备。


 

          详细参数
High Speed 32bit RISC    • Up to 450 MHz
    • 8-stage pipeline
    • MIPS32™ instruction set
    • Programmable Memory Management Unit
    • 16KB I-Cache and 16KB D-cache
    • 24kB DSPRAM
    • 8kB ISPRAM
Video Engine    • All format of 720p video supported, 30fps, up to 20Mbps averagely;
    • Support MPEG-4 encoding, up to 720p resolution
    • Support digital room from x1~x4, and with configurable step.
JPEG Codec    • Decoding/Encoding up to 4096*4096
    • Decoding Format: YCbCr4:2:2, YCbCr4:2:0
    • Encoding Format: YCbCr4:2:2, YCbCr4:2:0
 Graphics Processing Unit    • Completely compatible with Openvg 1.0
    • Hardware accelerated Pattern Tiling
    • Hardware accelerated FastFill
    • Hardware accelerated Affine Transform
    • Hardware accelerated Device Font
Display Engine    • Four moveable layers
    • Alpha blending and color space converting
    • Scalar
    • Dither function for 16 bit/18 bit interface LCD
    • Gamma correction
    • Video brightness, contrast and saturation adjustable
Memory Interface    • DDR/DDRII/M-DDR memory controller, x16 data bus, supporting up to 256MB, 200MHz max
    • Nand Flash controller with 8bit/12bit/24bit/40bit ECC, x8 data bus, 3.1V, supporting 2RB and 4CE, and hardware randomizer supported.
    • SPI Nor Boot Supported
Audio Engine    • All format of Audio decoding supported
    • Support MPEG-I decoding, 8~ 448kbps
    • Support WMA decoding, 5~383kbps
    • Support AAC/OGG/APE decoding
    • Several format of Audio encoding supported
LCD Controller    • Support CPU interface LCD
    • Support up to 24bit RGB interface
    • Programmable timing control for various panels
    • Support LCD resolution up to 1024*1024
High Definition Display Interface    • up to 720p resolution
    • Supports RGB, YCbCr format
    • Supports IEC60958 audio format up to 24bits
TV Out    • Support NTSC-M, -J and –4.43 modes.
    • Support PAL-B, -D, -G, -H, -I, -M, -N, -Nc mode
    • Support CVBS output
    • Support YPbPr/YCbCr output up to 720p resolution
    • Support outputting blue/black color and ColorBar when no data input
CMOS Sensor interface    • Support BT656&BT601 Interface
    • Support CMOS Sensor with YUV422 or RGB565 data format
    • With the CLKOUT for CMOS Sensor
USB    • Complies with OTG 2.0
    • Supports Session Request Protocol (SRP) and Host Negotiation Protocol (HNP).
    • Supports point-to-point communication with one low-speed, full-speed or high-speed device in Host mode
    • Supports full-speed or high-speed in peripheral mode, up to 480Mbps
Audio In/Out    • Build in stereo Sigma-Delta DAC, SNR>96dB
    • Build in stereo Sigma-Delta ADC, SNR>89dB
    • 18mW*2 Headphone Power Amplify, THD<-90dB
    • Support Microphone/FM (Linein) to ADC
SDIO    • Two 4-wire bus supported
    • Up to 8-wire for one bus
    • Support SD/HCSD/microSD/miniSD/MS memory card, MMC/RSMMC/MMC PLUS card
    • Support SDIO function
I2C    • 1-ch multi-master I2C bus, support both master and slave functions
    • Support standard mode (100kbps) and fast-speed mode (400kpbs)
UART    • 5-8 Data Bits and LSB first in Transmitting and receiving
    • 1-2 Stop Bits
    • Even, Odd, or No Parity
User Interface    • 1 remote control
    • 2*4 key matrix
    • Build in Touch Panel controller
    • IRC build in
SPI    • 2 seperated SPI controller
    • Each support master mode and slave mode. The speed of master mode up to 80Mbps, and slave up to 20Mbps.
    • Support dual I/O write and read mode as master
    • Support single data rate mode and double data rate(DDR mode) as master
    • Support two wire mode, only use SCLK and MOSI signal
I2S&SPDIF    • Support 5.1-Channel through I2S Transmitter module with Ext. 6-Channel DAC, include 3-Wire-DOUT Mode and TDM (time-division multiplexed) Mode
    • Support 5.1-Channel digital out through SPDIF
Timer/Clock    • 2 Timers
    • Alarm supported
    • Calendar supported
    • Two oscillator needed: 24MHz and 32.768KHz
 Chip ID    • Programmable for customer
PMU    • Programmable DC/DC converters and regulator
    • Battery charger, support Li+ battery.
    • Voltage detector for over current protection and temperature surveillance
    • Low Power Mode
    • Deep Sleep Mode
Low SOC power    • Low standby current. Less than 50uA with RTC.
    • Low power consumption. Less than 0.5mW/MHz of the CPU.
    • Dynamic system clock adjustment
Package    • LQFP176 E-PAD and LQFP128 E-PAD for different usage