Table Of Contents - Infineon MERUS MA2304DNS User Manual

User manual for MERUS™ audio amplifier configurator
MA2304DNS/MA2304PNS

Table of contents

Table of contents
About this document ....................................................................................................................... 1
Stuck or in need of help? ................................................................................................................. 1
Safety precautions .......................................................................................................................... 1
Table of contents ............................................................................................................................ 2
1 Quick start ............................................................................................................................ 3
1.1 What's included ....................................................................................................................................... 3
1.2 Hardware setup ....................................................................................................................................... 3
1.3 Software installation ............................................................................................................................... 4
1.4 Firmware flash for USB MCU ................................................................................................................... 4
1.5 Running the MERUS™ audio amplifier configurator .............................................................................. 5
2 The MERUS™ audio amplifier configurator ................................................................................ 7
2.1 Demo mode ............................................................................................................................................. 7
2.2 Normal mode ........................................................................................................................................... 7
2.3 MCU connected mode ............................................................................................................................. 8
3 Using the software ................................................................................................................. 9
3.1 Initial screen ............................................................................................................................................ 9
3.2 Configuration window ........................................................................................................................... 12
3.2.1 Power stages page ........................................................................................................................... 12
3.2.2 I S/TDM page .................................................................................................................................... 14
2
3.2.3 DSP page ........................................................................................................................................... 16
3.2.3.1 Example 1: EQ filter response plot ............................................................................................. 19
3.2.3.2 Example 2: Importing a custom speaker measurement and EQing .......................................... 20
3.2.4 Register browser page ..................................................................................................................... 23
3.2.5 Status page ....................................................................................................................................... 24
4 DSP flows ............................................................................................................................. 25
4.1 DSP flow application examples ............................................................................................................ 26
4.1.1 5 W mono wireless speaker .............................................................................................................. 26
5 DSP audio blocks ................................................................................................................... 29
5.1 Biquad block .......................................................................................................................................... 29
5.2 Volume control/limiter block ................................................................................................................ 37
5.2.1 Limiter configuration ....................................................................................................................... 37
5.2.2 Limiter details................................................................................................................................... 40
5.3 Multi-band DRC blocks .......................................................................................................................... 44
5.3.1 Two-band DRC configuration .......................................................................................................... 44
5.3.2 Three-band DRC configuration ........................................................................................................ 46
5.3.3 Multi-band DRC details .................................................................................................................... 48
5.4 Delay block ............................................................................................................................................ 50
5.5 MIXMUX block ........................................................................................................................................ 52
6 Saving and exporting configurations ....................................................................................... 54
6.1 Saving configurations ........................................................................................................................... 54
6.2 Exporting configurations ...................................................................................................................... 56
6.2.1 Example MCU pseudo-code ............................................................................................................. 58
Revision history ............................................................................................................................. 59
Disclaimer ..................................................................................................................................... 60
User Manual 2 V 1.1
2022-09-12