LC823425中文资料Audio LSI for Portable Sound Solution, Low Power数据手册ONSEMI规格书

描述 Description

LC823425 is an audio processing solution for portable devices such as IC recorders. This product features a built-in hardwired MP3 encoder/decoder system, enabling the industry’s lowest power consumption of 5mW and supporting advanced functionality via a built-in digital signal processor (DSP).

特性 Features

• ARM7TDMI-STM1, AMBA(r) (AHB/APB) system
• Internal SRAM(512k byte), Internal ROM(128k byte).Boot code and built-in standard function
• MultiPort Memory Controller (one CS),External Memory Controller (two CS)
• DMA controller (2ch), Interrupt controller(external 5ch + enhancing 16ch, and internal 31ch factor)
• SIO(2ch), UART(2ch),I2C (1ch Single Master and Full/Standard conforming)
• General-purpose port (I/O 40ch+1ch (FBGA221J is selected)).
• Plain timer (1ch) and multiple timer (2ch x 3), Watch dog timer (1ch)
• 10bit A/D converter (6ch)
• SD card IF(2ch) (w/o CPRM), MemoryStick IF(1ch)
• USB2.0(480Mbps/12Mbps) device IF. Built-in PHY
• RTC (real time clock)
• MP32 hard wired encoder/decoder
• DSP systemWMA3 (Microsoft WMA Decoder Profile Level3 conforming)AAC (MPEG4 LC-AAC)Variable speed playback (x0.5-2.0)
• Six band equalizer (EQ3), Highband replication circuit(YY filter), Surround (+EQ2) circuit
• 16/24bit PCM interface, Sampling rate converter, BEEP circuit, Digital mic interface
• DA converter and 16bit audio D class amplifier (LC LPF necessity in the outside)

应用 Application

• Portable Sound Solution
• IC Recorders

简介

LC823425属于集成电路（IC）的音频专用。由制造生产的LC823425音频专用音频专用的半导体器件专为音频信号的滤波、驱动、放大、转换和接口而设计。特征包括功能、应用、通道数、接口、电压和规格。应用包括音频系统、汽车音频、消费类音频、乐器、专业音频、通信系统、电信系统、数字音频、驱动器、前置放大器、信号混合、信号处理、语音触发器解决方案和 10 Base-T。