Difference between revisions of "ORCA SOM/ORCA Evaluation Kit/Interfaces and Connectors/Power Supply"

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==Power Supply interface ==
 
==Power Supply interface ==
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The Evaluation Kit is powered by one of the USB Type-C connectors. To properly power the system the wall adapter must support the [https://en.wikipedia.org/wiki/USB_hardware#USB_Power_Delivery power delivery] protocol.
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''TBD: sostituire le sezioni con le informazioni sull'uso della periferica e del suo connettore''
 
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''Nell'esempio di seguito c'è la descrizione dell'interfaccia UART/console''
 
  
 
=== Description  ===
 
=== Description  ===
  
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The Power Supply interface available on the Evaluation Kit at the connector ''TBD:Jxxx''.
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The Power Supply interface available on the Evaluation Kit at the connector ''J3''  
  
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''Jxx'' is a ''TBD:connector-type'' header connector for the RS232 two-wires UART3 port, used for debug purposes (bootloader and operating system serial console).
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''J3'' is a ''USB Type-C'' connector for USB3 data transfer and board supply,  
  
  
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{| class="wikitable"  
 
{| class="wikitable"  
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! latexfontsize="scriptsize"| Pin#
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! latexfontsize="scriptsize" | Pin#
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! latexfontsize="scriptsize"| SOM Pin#
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! latexfontsize="scriptsize" | Pin name
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! latexfontsize="scriptsize"| Pin name
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! latexfontsize="scriptsize" | Pin function
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! latexfontsize="scriptsize"| Pin function
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! latexfontsize="scriptsize" | Pin Notes
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! latexfontsize="scriptsize"| Pin Notes
 
 
|-
 
|-
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|1,2,4,6,,7,8,10
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|A4, A9, B4, B9
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| -
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| VBUS1
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| N.A.
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| Board supply
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| N.C.
 
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| Not connected
 
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|-
 
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| 3
 
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| J1.189
 
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| RS232_RX
 
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| Receive line
 
 
|  
 
|  
 
|-
 
|-
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| 3
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|A1, A12, B1, B12
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| J1.187
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| GND
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| RS232_TX
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| Ground
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| Transmit line
 
 
|  
 
|  
 
|-
 
|-
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| 9
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| A6, A7, B6, B7, A2, A3, B10, B11, B2, B3, A10, A11, A5, B5, A8, B8
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| -
 
−
| DGND
 
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| Ground
 
 
|  
 
|  
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| USB signals
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| See [[ORCA SOM/ORCA Evaluation Kit/Interfaces and Connectors/USB ports|USB ports]]
 
|}
 
|}
  
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=== Device mapping ===
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=== Power LED ===
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UART3 is mapped to <code>/dev/ttymxc2</code> device in Linux. The peripheral is used as the default serial console, both for the bootloader and the kernel.
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DL2 is a green LED (placed near the reset button) that shows the status of the power input. This LED is ON when a valid power supply is present and the system is out of reset.
 +
 
 +
=== Alternate supply ===
 +
An auxiliary connector is present on the board (not mounted by default) to power the system with a standard power supply.
 +
 
 +
This connector is meant for developing purpose (eg when the SW is not already able to handshake a valid PD profile) and cannot be mounted for some Evaluation Kit models.
  
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=== Device usage ===
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==== Description ====
 +
Power can be provided through the J20 connector. Power voltage range is +[12-24 V].
  
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To connect to the debug serial port:
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J20 is a two pins MC 1,5/2-G-3,81 Phoenix connector.
  
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# connect the DB9 adapter bracket to the J22 connector on the SBCX board
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====Signals ====
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# connect a serial cable between DB9 connector and PC COM port through a NULL-modem cable (not provided)
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# start your favorite terminal emulator software on PC (eg: PuTTY); communication parameters are: 115200,N,8,1
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The following table describes the interface signals:
 +
 
 +
{| class="wikitable"
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! latexfontsize="scriptsize" | Pin#
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! latexfontsize="scriptsize" | Pin name
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! latexfontsize="scriptsize" | Pin function
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! latexfontsize="scriptsize" | Pin Notes
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|-
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|1
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| VIN_AUX
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| Board supply
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| +[12-24 V]
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|-
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|2
 +
| GND
 +
| Ground
 +
|
 +
|}
  
 
----
 
----
  
 
[[Category:ORCA SOM]]
 
[[Category:ORCA SOM]]

Revision as of 11:04, 6 September 2021

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History
Version Issue Date Notes
1.0.0 Sep 2021 First release


Power Supply interface[edit | edit source]

The Evaluation Kit is powered by one of the USB Type-C connectors. To properly power the system the wall adapter must support the power delivery protocol.

Description[edit | edit source]

The Power Supply interface available on the Evaluation Kit at the connector J3

J3 is a USB Type-C connector for USB3 data transfer and board supply,


[[File:{Template:Nome-som-EVB-Power Supply-connector.png|thumb|center|500px|Power Supply connector]]

Signals[edit | edit source]

The following table describes the interface signals:

Pin# Pin name Pin function Pin Notes
A4, A9, B4, B9 VBUS1 Board supply
A1, A12, B1, B12 GND Ground
A6, A7, B6, B7, A2, A3, B10, B11, B2, B3, A10, A11, A5, B5, A8, B8 USB signals See USB ports

Power LED[edit | edit source]

DL2 is a green LED (placed near the reset button) that shows the status of the power input. This LED is ON when a valid power supply is present and the system is out of reset.

Alternate supply[edit | edit source]

An auxiliary connector is present on the board (not mounted by default) to power the system with a standard power supply.

This connector is meant for developing purpose (eg when the SW is not already able to handshake a valid PD profile) and cannot be mounted for some Evaluation Kit models.

Description[edit | edit source]

Power can be provided through the J20 connector. Power voltage range is +[12-24 V].

J20 is a two pins MC 1,5/2-G-3,81 Phoenix connector.

Signals[edit | edit source]

The following table describes the interface signals:

Pin# Pin name Pin function Pin Notes
1 VIN_AUX Board supply +[12-24 V]
2 GND Ground
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