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LC823450 Datasheet, PDF (3/55 Pages) ON Semiconductor – Low Power & High-Resolution Audio Processing System LSI
LC823450
1 Availability of features explained here depends on products.
 MP31 hard wired encoder/decoder
- MP3 MPEG1, MPEG2, MPEG2.5
Sampling rate : 8kHz,11.025kHz,12kHz,16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
Bit rate :8 Kbps to 320 Kbps (Decoder-VBR supported)
 LPDSP32 system
- Internal SRAM (120kbyte)
- Internal ROM (220kbyte)
- WMA2 (Microsoft WMA Decoder Profile Level3)
Sampling rate : 8kHz,11.025kHz,16kHz, 22.05kHz, 32kHz, 44.1kHz, 48kHz
Bit rate :5 Kbps to 320 Kbps (VBR supported)
- AAC (MPEG4 LC-AAC)
Sampling rate : 8kHz,11.025kHz,12kHz,16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
Bit rate : 8Kbps to 320Kbps (VBR supported)
- Variable Speed Control playback (0.5 to 4.0 times speed)
 While WMA and AAC playback, up to 2.0 time speed
 While PCM playback, up to 4.0 times speed
 While MP3 playback w/ hard wired decoder, up to 4.0 times speed
- Noise Canceller, etc.
- JTAG ICE
 Bluetooth Protocol Stack available3
 Other audio functions available
- 6band Equalizer (EQ3)
- Volume, Mute
- Level Meter
- Audio Timer w/ interrupt generation
- 16/24/32bit 192 kHz PCM I/F (2ch×2). Master/slave, I2S
- SSRC (Synchronous Sampling Rate Converter)
0.25 to 64 conversion capable
- ASRC (Asynchronous Sampling Rate Converter)
jitter reducing function supporting USB audio class and Bluetooth streaming
- Beep generator
- Digital Microphone I/F (2ch×1)
- 16bit Audio DAC (2ch)
w/ Class-D Amplifier for Head Phone (2ch). Need external LC LPF
 Audio clock generation
- Dedicated PLL for audio(PLL2:1V and PLL3:3V operation integrated)
- Selectable PLL reference clock
XT1 (1 to 50MHz Main xtal)
XTRTC (32.768KHz RTC xtal)
PCM I/F MCLK0 (/MCLK1), BCK0, BCK1
 Power supply
- Typical voltage
 LOGIC(Vdd1), XT1(VddXT1), PLL1(AVddPLL1), PLL2(AVddPLL2) = 1.0V
 PLL3(AVddPLL3) = 3.3V
 RTC(VddRTC) = 1.0V
 I/O(Vdd2) = 1.8V or 3.3V
 SD0(VddSD0) = 1.8V or 3.3V
 SD1(VddSD1) = 1.8V or 3.3V
 SD2(VddSD2) = 1.8V or 3.3V
 S-Flash I/F(VddQSPI) = 1.8V or 3.3V
 ADC(AVddADC) = 3.3V
 USB PHY1(AVddUSBPHY1, DVddUSBPHY1) = 1.0V(w/o USB connection) or 1.2V(w/ USB connection)
 USB PHY2(AVddUSBPHY2) = 2.8V(w/o USB connection) or 3.3V(w/ USB connection)
 Class-D Amplifier(AVddDAMPL,AVddDAMPR) = 1.2V
1 MPEG Layer-3 audio coding technology licensed from Fraunhofer IIS and Thomson.
Supply of this product does not convey license nor imply any right to distribute content created with this product in revenue-generating
broadcast systems (terrestrial, satellite, cable and/or other distribution channels), streaming applications (via Internet, intranets and/or
networks), other content distribution systems (pay-audio or audio-on-demand applications and the like) or on physical media (compact
discs, digital versatile discs, semiconductor chips, hard drives, memory cards and the like). For details, please visit
http://mp3licensing.com/
Supply of this product does not convey license under the relevant intellectual property of Thomson and/or Fraunhofer Gesellschaft nor
imply any right to use this product in any finished end user or ready-to-use final product. An independent license for such use is required.
For details, please visit http://mp3licensing.com/.
2 This product contain technology of Microsoft company ownership, and you cannot distribute or use without getting license from Microsoft
Licensing company.
3 The product name for which Bluetooth Protocol Stack is available is determined. Refer to Page 4. Please contact our representative for
license fee for the Stack.
Copyright 1999-2014 OpenSynergy GmbH
All rights reserved. All unpublished rights reserved.
www.onsemi.com
3