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

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__FORCETOC__
 
__FORCETOC__
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<section begin=Body/>
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<section begin="Body" />
  
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==Peripheral UART ==
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==Peripheral USART ==
  
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''TBD: sostituire le sezioni con le informazioni sull'uso della periferica''
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USART provides serial communication capability with external devices and support NRZ encoding format, RS485 compatible 9 bit data format and IrDA-compatible infrared slow data rate (SIR) format.
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''Nell'esempio di seguito c'è la descrizione dell'interfaccia HDMI''
 
  
 
=== Description  ===
 
=== Description  ===
  
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The UART interface available on ETRA is based on xxxxx ''TBD:SOC name'' SoC.  
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The USART interface available on ETRA SoM is based on STM32MP1 SoC.  
  
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The UART port supports the following standards and features:
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The USART port supports the following standards and features:
  
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* High-Definition Multimedia Interface Specification, Version 1.4a
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* full-duplex asynchronous communication
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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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*baud rate generator systems
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* Support for 4k x 2k and 3D video formats
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*two internal FIFOs for transmit and receive data
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* Support for up to 16-bit Deep Color modes
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*auto baud rate detection
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*programmable data word length (7, 8 or 9 bits)
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*programmable data order with MSB-first or LSB-first shifting
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*configurable stop bits (1 or 2 stop bits)
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*synchronous master/slave mode and clock output/input for synchronous communications
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*single-wire Half-duplex communications
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*continuous communications using DMA
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*swappable Tx/Rx pin configuration
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*hardware flow control for modem and RS-485 transceiver
  
 
===Pin mapping===
 
===Pin mapping===

Revision as of 13:47, 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 USART[edit | edit source]

USART provides serial communication capability with external devices and support NRZ encoding format, RS485 compatible 9 bit data format and IrDA-compatible infrared slow data rate (SIR) format.

Description[edit | edit source]

The USART interface available on ETRA SoM is based on STM32MP1 SoC.

The USART port supports the following standards and features:

  • full-duplex asynchronous communication
  • baud rate generator systems
  • two internal FIFOs for transmit and receive data
  • auto baud rate detection
  • programmable data word length (7, 8 or 9 bits)
  • programmable data order with MSB-first or LSB-first shifting
  • configurable stop bits (1 or 2 stop bits)
  • synchronous master/slave mode and clock output/input for synchronous communications
  • single-wire Half-duplex communications
  • continuous communications using DMA
  • swappable Tx/Rx pin configuration
  • hardware flow control for modem and RS-485 transceiver

Pin mapping[edit | edit source]

The Pin mapping is described in the Pinout table section

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