aerobotics

STM32 Nucleo sound terminal expansion board based on STA350BW

X-NUCLEO-CCA01M1

Overview

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.

Main 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

Design Files

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Update:2025-06-02 12:26:31

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