集成电路芯片资料和参数

芯片型号:ATJ212X

功能特点

ATJ212X是全新一代高集成度的多媒体单芯片处理器,主要针对音频播放器和视频播放器及衍生的蓝牙智能应用设计。ATJ212X基于低功耗MIPS内核和结构开发,具备高性能低功耗和低成本的显著特点。

ATJ212X内部有高性能音频及视频解码器,集成RAM和ROM、ADPCM录音和USB接口,可便于下载音频及上传录音文件。ATS212X还提供多种接口,如Nand flash、SD/MMC Card、Nor flash、UART、LED/LCD/LCM,按键输入、麦克风、耳机以及FM输入和控制接口等。ATS212X支持全格式音频文件,如MP3/WMA/WAV/APE/FLAC/OGG等。ATJ212X方案还可以作为USB存储和从设备,连接个人电脑系统。

ATJ212X内置动态电源管理系统,可支持更长的电池寿命,仅支持锂电池供电。同时,内嵌的DAC包含耳机驱动,可直接驱动低阻抗耳机。而ADC则包含线控、麦克风和模拟音频输入,可支持语音录音、线控录音和立体声收音机功能。ATJ212X可支持多任务操作,在听歌的同时可以浏览图片。综上所述,ATS212X是针对全格式、低功耗、高品质数码音频播放器的最佳选择。

参数指标

+ MIPS32 processor Core with 5-stage pipeline

+ Memory Management Unit

+ Simple SRAM-Style Interface

+ Multiply/Divide Unit (high-performance configuration)

+ Power Control

+ MPEG1/2/2.5 Audio Layer 1,2,3 decoder,bit rate 8-448Kbps, 8-48KHz, CBR/VBR

+ WMA Decoder, bit rate 32-384Kbps, 8-48KHz

+ FLAC decoder

+ APE decoder

+ 7 or 5 bands equalizer with user-defined 64-step-gain from -12 to 12 dB

+ Fast Forward and Fast Reverse

+ Fade in and Fade Out

+ Digital global gain control

+ Integrated Motion JPEG Video Decoder, up to 30fps@QVGA resolution

+ Support up to 4(pcs) Nand Flash, including SLC, MLC and TLC with 8/24/40/60 bit ECC

+ Support following memory card interface

 - Multi Media Card Specification Version 4.3(1/4 bit mode)

 - Secure Digital Card Specification Version 3.0(1/4-bit mode)

+ Support Booting up directly from NAND FLASH/ eMMC/SPI Nor Flash.

+ Support 24MHz OSC with on-chip PLL

+ Support generating 24MHz and other PLL from Externel 32.768KHz OSC

+ Internal 32KHz RC oscillator

+ Energy saving with dynamic power management, supporting Li-on only

+ USB 2.0 device and host controllers with HOST support

+ A variety of serial controllers supporting I2S, I2C, SPI, UART

+ Support LCM with 8bit CPU Interface.

+ Support FM Radio input and 41 levels volume control

+ D/A+PA SNR :without A weight>91dB

+ Build in Stereo 16-bit Sigma-Delta D/A

+ A/D SNR >90dB

+ Headphone driver output 2x20mW @16ohm

+ Operating voltage: I/O 3.1V, Core 1.2V

+ Standby Leakage Current: <50uA(Whole System)

+ Low Power Consumption (No LCD) : <10mA@bat (128kbps);<10mA@ bat (96kbps WMA);<70mA@ bat (20fps AMV video)

+ ATJ2127 LQFP-64 (7x7mm) ; ATJ2129 LQFP-80 (10x10mm)

应用领域

音频播放器和视频播放器