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Home » NEWEST Products » New by Manufacturer » Silicon Labs » CP2114 USB Audio to I2S Digital Audio Bridge - Silicon Labs
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Silicon Labs CP2114 USB Audio to I2S Digital Audio Bridge

Silicon Labs CP2114 USB Audio
to I2S Digital Audio Bridge

Silicon Labs CP2114 USB Audio to I2S Digital Audio Bridge is the industry’s first crystal-less USB-to-I2S audio bridge designed to support a wide range of codecs and DACs in USB-based audio applications. The CP2114 simplifies the process of transferring audio data from USB to I2S without any code development, speeding time to market for USB audio accessories such as USB speakers, USB headphones and USB music boxes, as well as VoIP systems. The CP2114 includes a USB 2.0 full-speed function controller, USB transceiver, oscillator, one-time programmable read-only memory (ROM), I2S (audio) interface, I2C (control) interface, and UART interface in a compact 5 x 5 mm QFN-32 package ideal for space-constrained portable audio applications.

Features
  • Enumerates to the host as a Standard USB Audio Device and HID Consumer Control supporting:
  • USB Digital Audio Out (Audio Playback Device)
  • USB Digital Audio In (Microphone/Recording Device)
  • HID Consumer Control handling standard volume and mute functionality
  • Pre-configured support for 3 commercial DACs
  • Tested for USB plug & play and audio quality on all major operating systems
  • UART interface using standard USB HID device class
  • 12 Configurable GPIO Pins with Alternate Functions
Applications
  • USB speakers
  • USB headphones/headsets
  • Point of sale terminals
  • Navigation systems
  • Music boxes
  • VoIP phones

Part Number

Package

EEPROM
Digital
I/O Pins

FIFO
CP2114-B01-GM QFN-32 352 12 512

Description
CP2114-CS42L55EK Allows complete evaluation of the CP2114 USB to I2S bridge and the CS42L55 codec from Cirrus Logic
CP2114-WM8523EK Allows complete evaluation of the CP2114 USB to I2S bridge and the WM8523 low cost DAC from Wolfson
CP2114-PCM1774EK Allows complete evaluation of the CP2114 USB to I2S bridge and the PCM1774EK codec from Texas Instruments
CP2114EK Allows complete evaluation of the CP2114 USB to I2S bridge, including all GPIO, UART and IIC functions
Block Diagram
Block Diagram
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  • Silicon Labs
  • Semiconductors|Integrated Circuits|IC-Interface