Sound terminal expansion board based on STA350BW for STM32 Nucleo

The X-NUCLEO-CCA01M1 is an expansion board based on the STA350BW Sound Terminal® 2.1-channel high-efficiency digital audio output system.

It can be plugged on top of an STM32 Nucleo board and is compatible with the ST morpho connector layout. It enables the output of digital audio streams to a speakers pairs connected directly to the board and allows the evaluation of the STMicroelectronics STA350BW digital audio output component. Up to two X-NUCLEO-CCA01M1 expansion boards can be plugged on top of the same STM32 Nucleo host in order to build a four-channel digital audio output system.

The communication between the STM32 MCU and the STA350BW device is performed through the I²C bus interface for setup and control purposes and the I²S bus for digital audio transmission. A dedicated connector is available on the board in order to supply the power source for the output stage.

Key Features

  • 2 channels of ternary PWM 2 x 50W @ 25V 6 Ω
  • FFX ™ 100 dB SNR and dynamic range
  • I²C control with selectable device address
  • Digital gain +48 dB -80 dB with 0.125 dB/step
  • Two independent DRCs configurable as a dual-band anti-clipper (B2DRC) or independent
  • limiters/compressors
  • I²S input interface
  • 3 coefficients banks for EQ preset storing with fast recall via I²C interface
  • Up to 8 user-programmable biquads per channel
  • Free comprehensive development firmware library and example compatible with STM32Cube firmware
  • Compatible with STM32 Nucleo boards
  • Equipped with ST morpho connector (upward and downward)
  • Equipped with Arduino UNO R3 connector (upward) to allow multiple board connections
  • RoHS compliant





Description Version Size
DB2756 DB2756: Sound terminal expansion board based on STA350BW for STM32 Nucleo 2.0 381 KB
Description Version Size
UM1979 UM1979: Getting started with sound terminal expansion board based on STA350BW for STM32 Nucleo 2.0 1 MB


Description Version Size
X-NUCLEO-CCA01M1 Quick start guide 1.1.0 1 MB


Board Manufacturing Specifications
Description Version Size
X-NUCLEO-CCA01M1 gerber files 1.0 227 KB
Bill of Materials
Description Version Size
Schematic Pack
Description Version Size
X-NUCLEO-CCA01M1 schematic 2.0 450 KB


Description Version Size
STM32 Open Development Environment Brochure 15.10 4 MB


MCUs Embedded Software
Product Evaluation Tools


型号 Marketing Status Board production status Unit Price (US$) * Quantity ECCN (EU) ECCN (US) Country of Origin More info Order from ST Order from Distributors
X-NUCLEO-CCA01M1 Active Stock available 34.30 1 NEC EAR99 ITALY MORE INFO 直接购买 Add to cart DISTRIBUTOR AVAILABILITY

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors


型号 Marketing Status RoHS Compliance Grade Material Declaration**
X-NUCLEO-CCA01M1 ActiveEcopack2

(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.