LC823425-12G1-H

音频 DSP SILICON AUDIO

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.

Features

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ARM7TDMI-STM1, AMBAr AHB/APB system

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Internal SRAM512k byte, Internal ROM128k byte.

Boot code and built-in standard function

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MultiPort Memory Controller one CS,

External Memory Controller two CS

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DMA controller 2ch, Interrupt controller

external 5ch + enhancing 16ch, and internal 31ch factor

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SIO2ch, UART2ch,

I2C 1ch Single Master and Full/Standard conforming

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General-purpose port I/O 40ch+1ch FBGA221J is selected.

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Plain timer 1ch and multiple timer 2ch x 3, Watch dog timer 1ch

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10bit A/D converter 6ch

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SD card IF2ch w/o CPRM, MemoryStick IF1ch

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USB2.0480Mbps/12Mbps device IF. Built-in PHY

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RTC real time clock

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MP32 hard wired encoder/decoder

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DSP system

WMA3 Microsoft WMA Decoder Profile Level3 conforming

AAC MPEG4 LC-AAC

Variable speed playback x0.5-2.0

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Six band equalizer EQ3, Highband replication circuitYY filter, Surround +EQ2 circuit

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16/24bit PCM interface, Sampling rate converter, BEEP circuit, Digital mic interface

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DA converter and 16bit audio D class amplifier LC LPF necessity in the outside