LC823455 System SoC Datasheet

LC823455 Datasheet, PDF, Equivalent


Part Number

LC823455

Description

Low Power & High-Resolution Audio Processing System SoC

Manufacture

ON Semiconductor

Total Page 30 Pages
Datasheet
Download LC823455 Datasheet


LC823455
Low Power &
High-Resolution Audio
Processing System SoC for
Portable Sound Solution
LC823455
Description
LC823455 is an audio processing SystemonChip (SoC) for
recording and playback, with HighResolution 32bit & 192 kHz
audio processing capability that provides the key functions required
for portable audio solutions.
It has a Dual CPU configuration and a DSP providing intensive
processing capability, 4316 KB of internal SRAM that supports the
implementation of large-scale programs for WLAN applications, and
multiple interfaces for increased extensibility. Its features an extensive
range of functions including SBC/AAC codec and Active Noise
Canceller by the DSP, UART and ASRC applicable for wearable
audio applications. The highly integrated implementation of this rich
set of analog functions results in a miniature footprint with ultralow
power consumption. This, along with its high performance, makes the
LC823455 suitable for portable audio markets such as Wireless
headsets.
This document describes features, basic functions, electrical
specifications, characteristics, application diagrams and package
dimension of this SoC.
Features
Ultra Low Power Consumption
Arm® Cortex®M3 Dual Core
Proprietary 32bit DSP Core (LPDSP32)
Internal LargeScale Size SRAM : 4316 KB (4MB + 220 KB)
HighResolution 32bit & 192 kHz Audio Processing Capability
Several DSP Codes Available for Audio Functions
HardWired Audio Functions BuiltIn:
MP3 decoder, MP3 encoder,
6 band Equalizer
Synchronous SRC, Asynchronous SRC, etc.
Analog Blocks Builtin:
System PLL, Audio PLL,
16bit DAC, ClassD amp, etc.
USB2.0 Device with an Integrated PHY
eMMC and SD Card I/F,
Serial Flash I/F(Quad) with Cache Memory,
SPI, UART, I2C, etc.
Typical Applications
Wearable Earbuds
Wearable Headphone
Wireless Speaker
IC Recorder
www.onsemi.com
WLCSP120, 4.086x4.086x0.62
CASE 567WG
ORDERING INFORMATION
See detailed ordering and shipping information on page 106 of
this data sheet.
© Semiconductor Components Industries, LLC, 2017
March, 2020 Rev. 1
1
Publication Order Number:
LC823455/D

LC823455
LC823455
Table of Contents
Abstract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Terminal Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Pin Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Input/Output Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Electrical Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
www.onsemi.com
2


Features Low Power & High-Resolution Audio Proces sing System SoC for Portable Sound Solu tion LC823455 Description LC823455 is an audio processing System−on−Chip (SoC) for recording and playback, with High−Resolution 32−bit & 192 kHz au dio processing capability that provides the key functions required for portabl e audio solutions. It has a Dual CPU co nfiguration and a DSP providing intensi ve processing capability, 4316 KB of in ternal SRAM that supports the implement ation of large-scale programs for WLAN applications, and multiple interfaces f or increased extensibility. Its feature s an extensive range of functions inclu ding SBC/AAC codec and Active Noise Can celler by the DSP, UART and ASRC − ap plicable for wearable audio application s. The highly integrated implementation of this rich set of analog functions r esults in a miniature footprint with ul tra− low power consumption. This, alo ng with its high performance, makes the LC823455 suitable for portable audio markets such as Wireless headsets. Th.
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