ATJ212X数据手册Actions中文资料规格书

描述 Description

• 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。\r
• 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。\r
• 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理想选择。

特性 Features

• MIPS32 processor Core with 5-stage pipeline\r
• Memory Management Unit\r
• Simple SRAM-Style Interface\r
• Multiply/Divide Unit (high-performance configuration)\r
• Power Control\r
• MPEG1/2/2.5 Audio Layer 1,2,3 decoder，bit rate 8-448Kbps, 8-48KHz, CBR/VBR\r
• WMA Decoder, bit rate 32-384Kbps, 8-48KHz\r
• FLAC decoder\r
• APE decoder\r
• 7 or 5 bands equalizer with user-defined 64-step-gain from -12 to 12 dB\r
• Fast Forward and Fast Reverse\r
• Fade in and Fade Out\r
• Digital global gain control\r
• Integrated Motion JPEG Video Decoder, up to 30fps@QVGA resolution\r
• Support up to 4(pcs) Nand Flash, including SLC, MLC and TLC with 8/24/40/60 bit ECC\r
• Support following memory card interface\r
- Multi Media Card Specification Version 4.3(1/4 bit mode)\r
- Secure Digital Card Specification Version 3.0(1/4-bit mode)\r
• Support Booting up directly from NAND FLASH/ eMMC/SPI Nor Flash.\r
• Support 24MHz OSC with on-chip PLL \r
• Support generating 24MHz and other PLL from Externel 32.768KHz OSC\r
• Internal 32KHz RC oscillator\r
• Energy saving with dynamic power management, supporting Li-on only \r
• USB 2.0 device and host controllers with HOST support\r
• A variety of serial controllers supporting I2S, I2C, SPI, UART\r
• Support LCM with 8bit CPU Interface.\r
• Support FM Radio input and 41 levels volume control\r
• D/A+PA SNR :without A weight>91dB\r
• Build in Stereo 16-bit Sigma-Delta D/A\r
• A/D SNR >90dB\r
• Headphone driver output 2x20mW @16ohm\r
• Operating voltage: I/O 3.1V, Core 1.2V\r
• Standby Leakage Current: <50uA(Whole System)\r
• Low Power Consumption (No LCD) :\r
<10mA@bat (128kbps)\r
<10mA@ bat (96kbps WMA)\r
<70mA@ bat (20fps AMV video)