集成巴黎人手机版网址芯片资料和参数

芯片型号:ATS2500

功能特点

•ATS250X是炬力针对便携式多媒体音箱产品解决方案的第三代主控芯片,它高度集成,内建了高性能的DSP协处理器,RAM/ROM等必需的存储器,ADPCM编码器以及高性能的USB接口。ATS250X也拥有丰富的其它外设接口,比如SPDIF,Flash存储介质接口,LED/LCD接口,麦克风和耳机接口以及针对按键和各类切换开关的支持。ATS250X支持WMA等多种主流音频格式。使用ATS250X主控芯片的音箱既可以读取U盘中的音频文件,也可以把自身作为U盘和电脑相连接。这个系列芯片的低功耗特性非常出色,可以支持不同的电池方案配置,比如1xAA,1xAAA和锂电池配置。ATS250X内建的Sigma-Delta D/A转换器自带有耳机驱动单元,可以直推低阻抗的耳机,同时其Sigma-Delta A/D转换器也自带麦克风和音频输入接口,从而实现高品质的录音和调频立体声输入功能。ATS250X系列主控芯片平台能够为客户提供专业的音频播放器应用的一揽子解决方案。

参数指标

•Support WMA Decoder and Other Digital Audio Standards

•Digital Voice Recording (ADPCM)

•On-chip DSP data RAM1 6.25k*24bit, DSP data RAM2 4k*8bit and PCM RAM (8K*8bit)that can be switched to be MCU memory space.

•Integrated MCU with DSU, the instruction set is compatible with Z80

•Internal ZRAM1 ((16K-64)*8bits), ZRAM2(1k*8bit), ZRAM3 ((8k+2k+192)*8bits)accessed by MCU

•Internal BROM build in Boot up and USB Upgrade firmware

•Internal SRAM access time<7ns, MROM access time<16ns

•External up to 4(pcs)x 32M~4G bytes Nand type Flash accessed by MCU or DMA

•External Smart Media Card

•Support following memory card interface

Multi Media Card Specification Version 4.2 (1/4/8 bit mode)

Secure Digital Card Specification Version 2.0(1/4-bit mode)

Memory Stick Version 1.43(1/4-bit mode)

Memory Stick Pro Version 1.02(1/4-bit mode)

Memory Stick Pro-HG Version 1.01(1/4/8-bit mode)

•Support 24MHz OSC with on-chip PLL for MCU and about 32KHz RC oscillator

•2-channel DMA,1-channel CTC and interrupt controller for MCU

•Energy saving with dynamic power management, supporting dry and lithium battery.

•Udisk Speed: for SLC Flash, read Speed up to 16MB/s; Write speed up to 6MB/s;For MLC Flash, Read Speed up to 16MB/s; Write Speed up to 4.5MB/s

•Build in Stereo 20-bit Sigma-Delta D/A

•Enough GPIOs For all applications

•SupportI[sup]2[/sup]C/SPI/UART/IRC/SPDIF interface

•Support external 8080 Series LCM driver interface

•Support FM Radio input and 41 levels volume control

•Support Stereo 21-bit Sigma-Delta A/D for Microphone/FM Input, sample rate at 8/12/16/22/24/32/48KHz

•MCU run at 24MHz (typ), F/W can program from DC up to 48MHz transparently

•D/A+PA SNR: without A weight>91dB

•A/D SNR >90dB, support Difference/2-channle Microphone

•Headphone driver output 2x20Mw @ 16 ohms

•Standby Leakage Current: VCC:[email protected] (MAX), VDD: [email protected] (MAX)

•封装:LQFP48

应用领域

便携式多媒体音箱