november 2015 docid028646 rev 1 1 / 5 for further information contact your local stmicroelectronics sales office www.st.com x - nucleo - cca01m1 sound terminal expansion board based on sta350bw for stm32 nucleo data brief features ? 2 channels of ternary pwm 2 x 50w @ 25v 6 ? 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 ? compatible with stm32 nucleo boards ? 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 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 a n 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 t he 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.
schematic diagram x - nucleo - cca01m1 2 / 5 docid028646 rev 1 1 schematic diagram figure 1 : sche matic diagram (1 of 3) figure 2 : schematic diagram (2 of 3)
x - nucleo - cca01m1 schematic diagram docid028646 rev 1 3 / 5 figure 3 : schematic diagram (3 of 3)
revision history x - nucleo - cca01m1 4 / 5 docid028646 rev 1 2 revision history table 1: document revision history date version changes 17 - nov - 2015 1 initial release.
x - nucleo - cca01m1 docid028646 rev 1 5 / 5 important notice C please read carefully stmicroelectronics nv and its subsidiaries (st) reserve the right to make changes, corrections, enhancements, modifications , and improvements to st products and/or to this document at any time without notice. purchasers should obtain the latest relevant information on st products before placing orders. st products are sold pursuant to sts terms and conditions of sale in place at the time of or der acknowledgement. purchasers are solely responsible for the choice, selection, and use of st products and s t assumes no liability for application assistance or the design of purchasers products. no license, express or implied, to any intellectual property right is granted by st herein. resale of st products with provisions different from the information se t forth herein shall void any warranty granted by st for such product. st and the st logo are trademarks of st. all other product or service names are the property of their respective owners. information in this document supersedes and replaces information previously supplied in any prior versions of this document. ? 2015 stmicroelectronics C all rights reserved
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