Difference between revisions of "ETRA SOM/ETRA Hardware/Peripherals/Audio"

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__FORCETOC__
 
__FORCETOC__
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<section begin="Body" />
  
 
==Peripheral Audio ==
 
==Peripheral Audio ==
  
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''TBD: sostituire le sezioni con le informazioni sull'uso della periferica''
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The Audio interface available on ETRA SoM is based on STM32MP1 SoC which provides the following audio subsystems:
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''Nell'esempio di seguito c'è la descrizione dell'interfaccia HDMI''
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* Synchronous Audio Interface (SAI)
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** 4x I2S/SAI (16+ channels, each up to 32-bits @192 kHz)
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** Two independent audio subblocks which can be transmitters or receivers with their respective 8-word integrated FIFOs
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* Sony/Philips Digital Interface (SPDIF)
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** S/PDIF Tx/Rx
  
 
=== Description  ===
 
=== Description  ===
  
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The Audio interface available on ETRA is based on xxxxx ''TBD:SOC name'' SoC.  
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The I2S (Inter IC Sound) module provides a synchronous audio interface (SAI) that supports full- duplex serial interfaces with frame synchronization such as I2S, LSB or MSB-justified, AC'97, TDM, and PCM/DSP interfaces.  
  
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The Audio port supports the following standards and features:
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It supports the following standards and features:  
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* Two independent audio subblocks
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* High-Definition Multimedia Interface Specification, Version 1.4a
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* Synchronous or asynchronous mode between the audio subblocks
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* Support for up to 1080p at 60Hz HDTV display resolutions and up to QXGA graphic display resolutions.
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* Possible synchronization between multiple SAIs
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* Support for 4k x 2k and 3D video formats
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* Master or slave configuration independent for both audio subblocks
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* Support for up to 16-bit Deep Color modes
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* 2-channel DMA interface
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The Sony/Philips Digital Interface (SPDIF) audio block is a stereo transceiver that allows the processor to receive and transmit digital audio.
  
 
===Pin mapping===
 
===Pin mapping===

Revision as of 08:52, 30 December 2020

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History
Version Issue Date Notes
0.9.0 Dec 2020 First Draft
[TBD_link X.Y.Z] Month Year TBD
... ... ...



Peripheral Audio[edit | edit source]

The Audio interface available on ETRA SoM is based on STM32MP1 SoC which provides the following audio subsystems:

  • Synchronous Audio Interface (SAI)
    • 4x I2S/SAI (16+ channels, each up to 32-bits @192 kHz)
    • Two independent audio subblocks which can be transmitters or receivers with their respective 8-word integrated FIFOs
  • Sony/Philips Digital Interface (SPDIF)
    • S/PDIF Tx/Rx

Description[edit | edit source]

The I2S (Inter IC Sound) module provides a synchronous audio interface (SAI) that supports full- duplex serial interfaces with frame synchronization such as I2S, LSB or MSB-justified, AC'97, TDM, and PCM/DSP interfaces.

It supports the following standards and features:

  • Two independent audio subblocks
  • Synchronous or asynchronous mode between the audio subblocks
  • Possible synchronization between multiple SAIs
  • Master or slave configuration independent for both audio subblocks
  • 2-channel DMA interface

The Sony/Philips Digital Interface (SPDIF) audio block is a stereo transceiver that allows the processor to receive and transmit digital audio.

Pin mapping[edit | edit source]

The Pin mapping is described in the Pinout table section

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