LC823425: Audio LSI for Portable Sound Solution, Low Power

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
  • 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)
Applications
  • Portable Sound Solution
End Products
  • IC Recorders
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
Low Power Consumption 1 chip Audio LSI for Portable Sound SolutionENA2351/D (518kB)0Jul, 2014
Package Drawings (2)
Document TitleDocument ID/SizeRevision
LFBGA221 11x11 / FBGA221J566DJ (64.1kB)O
TQFP128 14x14 / TQFP128L932BA (58.3kB)A
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
LC823425-12G1-HActivePb-free Halide freeTQFP-128 / TQFP-128L932BA4Tray JEDEC450$10.4904
LC823425-13W1-EActivePb-freeLFBGA-221 / FBGA-221J566DJ4Tray JEDEC840$10.9401
Specifications
ProductDSP Core (bits)Coprocessor TypeMIPSDynamic Range (dB)RAM (kB)Istandby Typ (µA)Audio InputsAudio Outputs
LC823425-12G1-H3211051222
LC823425-13W1-E3211051222
Low Power Consumption 1 chip Audio LSI for Portable Sound Solution (518kB) LC823425
TQFP128 14x14 / TQFP128L LC823450
LFBGA221 11x11 / FBGA221J LC823425