High Resolution Audio Signal Processing SoC with USB and Bluetooth Controller LC786830 www.onsemi.com Overview The LC786830 integrates Arm Cortex M0+, an Arm CortexM3 processor, audio DSP, USB controllers, SD card support, compressed audio decoder, Bluetooth audio, and car audio signals. Multiple interfaces enable connection to external Flash memories to store program code for the Arm CortexM0+ and Arm CortexM3 processors and the audio DSP, making the device suitable for developing high performance and multifunctional audio player LQFP208 systems. CASE 561AP Main Features Dual CPU System with Arm CortexM0+ and CortexM3 Processors Arm CortexM0+ Provides Overall System Control, Including Power Supply Arm CortexM3 Provides USB and Audio Playing Control MARKING DIAGRAM USB2.0 OTG (High Speed and Full Speed) Controller, PHY (1 Port) USB2.0 Host (Full Speed) Controller, PHY (1 Port) XXXXXXXXXXXXXX Bluetooth Audio Playback XXXXXXXXXXXXXX Handsfree Audio Playback XXXXXXXXXXXXXX SD Memory Card Host Function XXXXXXXXXXXXXX AWLYYWWG * * Audio DSP Stored, Processing Decodes such as MP3 , WMA , * * AAC , FLAC , SBC* (Capable for 24bit and 192 kHz HighResolution Audio Processing) A = Assembly Location Digital Audio Signal Processing Functions such as HighFrequency WL = Wafer Lot YY = Year Range Extendable Filter, 22Band Equalizer, Audio Mixing, Volume WW = Work Week Control, etc. G = PbFree Package Analog Selector Input for Audio Input Function, Capable for *This information is generic. Please refer to Absorbing Clock Jitter by a Sampling Rate Converter in device data sheet for actual part marking. Asynchronous Conditions for Digital Input PbFree indicator, G or microdot , may or may not be present. DA Converter Output for Audio Output (Fs: 96 kHz) or Digital 3Wire Output (Fs: 192 kHz) ORDERING INFORMATION Power Supply / Temperature / External Form See detailed ordering, marking and shipping information in Operating Power Supply Voltage: 3.3 V (for I/O and Analog) the package dimensions section on page 54 of this data sheet. 1.2 V (for Internal Logic) Operation Ambient Temperature Range: 40C to +85C Package: LQFP208 (28 x 28) Lead and Halogen Free *MP3 MPEG Layer3 Audio Coding *AAC Advanced Audio Coding *SBC Sub Band Codec *Bluetooth profile Copyright 1999 2014 OpenSynergy GmbH. All rights reserved. All unpublished rights reserved. *WMA Windows Media Audio *FLAC Free Lossless Audio Codec Semiconductor Components Industries, LLC, 2017 1 Publication Order Number: October, 2020 Rev. 0 LC786830/DLC786830 ACRONYMS The acronyms listed below are used thorughout this document to refer to internal blocks and functions of LC786830. ACRONYMS Acronyms Description ADC Audio AD Converter ALC Automated Level Control ASS Audio Source Selector (Analog) AudPLL1 Audio Clock PLL1 (for Fs = 32 or 48 kHz) AudPLL2 Audio Clock PLL2 (for Fs = 44.1 kHz) BCK Bit Clock BR Bit Rate ch Channel DAC Audio DA Converter DF Audio Digital Filter DMAC DMA Controller DPC Digital Pitch Controller Fs Sampling Frequency FSUSB USB2.0 Full Speed GenADC General AD Converter GPIO General InputOutput Port HF Handsfree HSUSB USB2.0 High/Full Speed I/F Interface LPDSP Audio DSP LRCK LR Clock Mono Monaural NC/EC Noise Canceller/Echo Canceller Pdn Pulldown PEQ Parametric Equalizer PSRAM PseudoSRAM Pup Pullup RTC Real Time Clock SDC SD Card SFlash Serial Flash Memory SIO Serial Communication SPI Serial Peripheral Interface SRC Sampling Rate Converter ST Stereo SysPLL System Clock PLL T.A Time Alignment WDT Watchdog Timer www.onsemi.com 2