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

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(Created page with "{{subst:EVB_Interfaces_and_Connectors | nome-som=ORCA SOM | nome-peripheral = GPIOs}}")
 
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! style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white" |Issue Date
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! style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#73B2C7; padding:5px; color:white" |Notes
 
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| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |Month Year
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| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |TBD
 
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| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |Month Year
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<section begin="Body" />
  
 
==GPIOs interface ==
 
==GPIOs interface ==
Line 41: Line 41:
  
 
The following table describes the interface signals:
 
The following table describes the interface signals:
−
 
+
{| class="wikitable"
−
{| class="wikitable"  
+
! latexfontsize="scriptsize" |Pin#
−
! latexfontsize="scriptsize"| Pin#
+
! latexfontsize="scriptsize" |SOM Pin#
−
! latexfontsize="scriptsize"| SOM Pin#
+
! latexfontsize="scriptsize" |Pin name
−
! latexfontsize="scriptsize"| Pin name
+
! latexfontsize="scriptsize" |Pin function
−
! latexfontsize="scriptsize"| Pin function
+
! latexfontsize="scriptsize" |Pin Notes
−
! latexfontsize="scriptsize"| Pin Notes
+
|-
 +
|7
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|8
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|10
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|11
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|12
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|13
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|15
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|16
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|18
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|19
 +
|
 +
|ECSPI2_MOSI
 +
|I2C3_SDA
 +
|
 +
|-
 +
|21
 +
|
 +
|ECSPI2_MISO
 +
|I2C4_SCL
 +
|
 +
|-
 +
|22
 +
|
 +
|SAI5_MCLK
 +
|I2C5_SDA
 +
|
 +
|-
 +
|23
 +
|
 +
|ECSPI2_SCLK
 +
|I2C3_SCL
 +
|
 +
|-
 +
|24
 +
|
 +
|ECSPI2_SS0
 +
|I2C4_SDA
 +
|
 +
|-
 +
|26
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|27
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|28
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|29
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|31
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|32
 +
|
 +
|SAI5_RXFS
 +
|I2C6_SCL
 +
|
 +
|-
 +
|33
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|35
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|36
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|37
 +
|
 +
|
 +
|
 +
|
 +
|-
 +
|38
 +
|
 +
|SAI5_RXD0
 +
|I2C5_SCL
 +
|
 +
|-
 +
|40
 +
|
 +
|SAI5_RXC
 +
|I2C6_SDA
 +
|
 
|-
 
|-
−
|1,2,4,6,,7,8,10
+
|1, 17
 
| -
 
| -
−
| N.A.
+
|3V3_CB
−
| N.C.
+
| +3.3V
−
| Not connected
+
|BOARD_PGOOD driven rail
 
|-
 
|-
−
| 3
+
|2, 4
−
| J1.189
+
| -
−
| RS232_RX
+
|5V_VIN
−
| Receive line
+
| +5V
−
|  
+
|Always powered
 
|-
 
|-
−
| 3
+
|6, 9, 14, 20, 25, 30, 34, 39
−
| J1.187
 
−
| RS232_TX
 
−
| Transmit line
 
−
|
 
−
|-
 
−
| 9
 
 
| -
 
| -
−
| DGND
+
|DGND
−
| Ground
+
|Ground
−
|  
+
|
 
|}
 
|}
−
 
 
=== Device mapping ===
 
=== Device mapping ===
 
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.
 
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.

Revision as of 13:51, 15 September 2021

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History
Version Issue Date Notes
X.Y.Z Month Year TBD
[TBD_link X.Y.Z] Month Year TBD
... ... ...


GPIOs interface[edit | edit source]

TBD: sostituire le sezioni con le informazioni sull'uso della periferica e del suo connettore Nell'esempio di seguito c'è la descrizione dell'interfaccia UART/console

Description[edit | edit source]

The GPIOs interface available on the Evaluation Kit at the connector TBD:Jxxx.

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).


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

Signals[edit | edit source]

The following table describes the interface signals:

Pin# SOM Pin# Pin name Pin function Pin Notes
7
8
10
11
12
13
15
16
18
19 ECSPI2_MOSI I2C3_SDA
21 ECSPI2_MISO I2C4_SCL
22 SAI5_MCLK I2C5_SDA
23 ECSPI2_SCLK I2C3_SCL
24 ECSPI2_SS0 I2C4_SDA
26
27
28
29
31
32 SAI5_RXFS I2C6_SCL
33
35
36
37
38 SAI5_RXD0 I2C5_SCL
40 SAI5_RXC I2C6_SDA
1, 17 - 3V3_CB +3.3V BOARD_PGOOD driven rail
2, 4 - 5V_VIN +5V Always powered
6, 9, 14, 20, 25, 30, 34, 39 - DGND Ground

Device mapping[edit | edit source]

UART3 is mapped to /dev/ttymxc2 device in Linux. The peripheral is used as the default serial console, both for the bootloader and the kernel.

Device usage[edit | edit source]

To connect to the debug serial port:

  1. connect the DB9 adapter bracket to the J22 connector on the SBCX board
  2. connect a serial cable between DB9 connector and PC COM port through a NULL-modem cable (not provided)
  3. start your favorite terminal emulator software on PC (eg: PuTTY); communication parameters are: 115200,N,8,1
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