Difference between revisions of "ETRA SOM/ETRA Evaluation Kit/Interfaces and Connectors/AUX"

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<section begin="History" />
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<section begin=History/>
 
{| style="border-collapse:collapse; "
 
{| style="border-collapse:collapse; "
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! colspan="4" style="width:100%; text-align:left" ; border-bottom:solid 2px #ededed" |History
+
!colspan="4" style="width:100%; text-align:left"; border-bottom:solid 2px #ededed"|History
 
|-  
 
|-  
−
! 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
+
!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"|Version
−
! 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
+
!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
 +
!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
 
|-
 
|-
−
| 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" |2021/04/06
+
|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"|X.Y.Z
−
| 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" |First release
+
|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
 +
|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
 
|-
 
|-
 +
|-
 +
|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_link X.Y.Z]
 +
|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
 +
|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
 +
|-
 +
|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"|...
 +
|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"|...
 +
|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"|...
 
|-
 
|-
 
|}
 
|}
−
<section end="History" />
+
<section end=History/>
−
<section begin="Body" />
+
<section begin=Body/>
  
 
==Auxiliary connectors interface ==
 
==Auxiliary connectors interface ==
 +
 +
''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  ===
 
=== Description  ===
  
−
The Auxiliary connectors on the Evaluation Kit are J11 and J12, 2x15x2.54mm stripline header.  
+
The Auxiliary connectors 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).
  
−
On these connectors are available many interfaces, some of this peripherals are not available at the same time:
 
−
* FDCAN1
 
−
* FDCAN2
 
−
* I2C5
 
−
* SPI5
 
−
* UART7
 
−
* SAI2
 
−
* 11x8 keyboard matrix
 
−
* LED driver
 
−
* JTAG
 
  
−
[[File:ETRA-EVK-auxiliary-connectors.png|thumb|center|500px|Auxiliary connectors]]
+
[[File:{{{nome-som}}-EVB-Auxiliary connectors-connector.png|thumb|center|500px|Auxiliary connectors connector]]
  
 
===Signals ===
 
===Signals ===
  
−
The following tables describe the connectors signals:
+
The following table describes the interface signals:
−
* J11
+
 
 
{| 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
−
!POWER
+
! latexfontsize="scriptsize"| Pin function
−
! latexfontsize="scriptsize" |JTAG
+
! latexfontsize="scriptsize"| Pin Notes
−
! latexfontsize="scriptsize" |KEYBOARD
 
−
!LED
 
 
|-
 
|-
−
|1
+
|1,2,4,6,,7,8,10
 
| -
 
| -
−
| 5V_CB
+
| N.A.
−
|5V
+
| N.C.
−
|
+
| Not connected
−
|
 
−
|
 
 
|-
 
|-
−
|2
+
| 3
−
| -
+
| J1.189
−
|3V3_CB
+
| RS232_RX
−
|3.3V
+
| Receive line
−
|
 
 
|  
 
|  
−
|
 
 
|-
 
|-
−
|3
+
| 3
−
|J18.143
+
| J1.187
−
|ADP5589_R2
+
| RS232_TX
−
|
+
| Transmit line
−
|
+
|  
−
|ROW_2
 
−
|
 
 
|-
 
|-
−
|4
+
| 9
−
|J18.149
 
−
|ADP5589_C0
 
−
|
 
−
|
 
−
|COLUMN_0
 
−
|LED_0
 
−
|-
 
−
|5
 
−
|J18.141
 
−
|ADP5589_R3
 
−
|
 
−
|
 
−
|ROW_3
 
−
|
 
−
|-
 
−
|6
 
−
|J18.151
 
−
|ADP5589_C1
 
−
|
 
−
|
 
−
|COLUMN_1
 
−
|LED_1
 
−
|-
 
−
|7
 
−
|J18.139
 
−
|ADP5589_R4
 
−
|
 
−
|
 
−
|ROW_4
 
−
|
 
−
|-
 
−
|8
 
−
|J18.155
 
−
|ADP5589_C2
 
−
|
 
−
|
 
−
|COLUMN_2
 
−
|LED_2
 
−
|-
 
−
|9
 
−
|J18.137
 
−
|ADP5589_R5
 
−
|
 
−
|
 
−
|ROW_5
 
−
|
 
−
|-
 
−
|10
 
−
|J18.157
 
−
|ADP5589_C3
 
−
|
 
−
|
 
−
|COLUMN_3
 
−
|LED_3
 
−
|-
 
−
|11
 
−
|J18.135
 
−
|ADP5589_R6
 
−
|
 
−
|
 
−
|ROW_6
 
−
|
 
−
|-
 
−
|12
 
−
|J18.159
 
−
|ADP5589_C4
 
−
|
 
−
|
 
−
|COLUMN_4
 
−
|LED_4
 
−
|-
 
−
|13
 
−
|J18.133
 
−
|ADP5589_R7
 
−
|
 
−
|
 
−
|ROW_7
 
−
|
 
−
|-
 
−
|14
 
−
|J18.161
 
−
|ADP5589_C5
 
−
|
 
−
|
 
−
|COLUMN_5
 
−
|LED_5
 
−
|-
 
−
|15,20,29
 
 
| -
 
| -
−
|DGND
+
| DGND
−
|Ground
+
| Ground
−
|
+
|  
−
|
 
−
|
 
−
|-
 
−
|16
 
−
|J18.147
 
−
|ADP5589_R0
 
−
|
 
−
|
 
−
|ROW_0
 
−
|
 
−
|-
 
−
|17
 
−
| -
 
−
|VDD
 
−
|3.3V
 
−
|ref. voltage
 
−
|
 
−
|
 
−
|-
 
−
|18
 
−
|J18.145
 
−
|ADP5589_R1
 
−
|
 
−
|
 
−
|ROW_1
 
−
|
 
−
|-
 
−
|19
 
−
|J18.90
 
−
|JTMS-SWDIO
 
−
|
 
−
|JTMS-SWDIO
 
−
|
 
−
|
 
−
|-
 
−
|21
 
−
|J18.98
 
−
|JTCK-SWCLK
 
−
|
 
−
|JTCK-SWCLK
 
−
|
 
−
|
 
−
|-
 
−
|22
 
−
|J18.163
 
−
|ADP5589_C6
 
−
|
 
−
|
 
−
|COLUMN_6
 
−
|
 
−
|-
 
−
|23
 
−
|J18.92
 
−
|JTDI
 
−
|
 
−
|JTDI
 
−
|
 
−
|
 
−
|-
 
−
|24
 
−
|J18.165
 
−
|ADP5589_C7
 
−
|
 
−
|
 
−
|COLUMN_7
 
−
|
 
−
|-
 
−
|25
 
−
|J18.96
 
−
|JTDO-TRACESWOO
 
−
|
 
−
|JTDO-TRACESWOO
 
−
|
 
−
|
 
−
|-
 
−
|26
 
−
|J18.167
 
−
|ADP5589_C8
 
−
|
 
−
|
 
−
|COLUMN_8
 
−
|
 
−
|-
 
−
|27
 
−
|J18.94
 
−
|NJTRST
 
−
|
 
−
|NJTRST
 
−
|
 
−
|
 
−
|-
 
−
|28
 
−
|J18.169
 
−
|ADP5589_C9
 
−
|
 
−
|
 
−
|COLUMN_9
 
−
|
 
−
|-
 
−
|30
 
−
|J18.171
 
−
|ADP5589_C10
 
−
|
 
−
|
 
−
|COLUMN_10
 
−
|
 
 
|}
 
|}
−
* J12
 
−
{| class="wikitable"
 
−
|-
 
−
!Pin#
 
−
! SOM Pin#
 
−
! Pin name
 
−
!POWER
 
−
!System control
 
−
!CAN
 
−
!I2C
 
−
!SPI
 
−
!UART
 
−
!SAI
 
−
|-
 
−
|1
 
−
| -
 
−
| 5V_CB
 
−
|5V
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|-
 
−
|2,4
 
−
| -
 
−
|PMIC_3V3
 
−
|3.3V
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|-
 
−
|3
 
−
|J18.
 
−
|PD13
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|SAI2_SCK_A
 
−
|-
 
−
|5
 
−
|J18.
 
−
|PD12
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|SAI2_FS_A
 
−
|-
 
−
|6
 
−
|J18.
 
−
|PB13
 
−
|
 
−
|
 
−
|FDCAN2_TX
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|-
 
−
|7
 
−
|J18.
 
−
|PD11
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|SAI2_SD_A
 
−
|-
 
−
|8
 
−
|J18.
 
−
|PB5
 
−
|
 
−
|
 
−
|FDCAN2_RX
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|-
 
−
|9
 
−
|J18.
 
−
|PG9
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|SAI2_FS_B
 
−
|-
 
−
|10, 11, 16, 19, 29, 30
 
−
| -
 
−
|DGND
 
−
|Ground
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|-
 
−
|12
 
−
|J18.
 
−
|PA12
 
−
|
 
−
|
 
−
|FDCAN1_TX
 
−
|I2C5_SDA
 
−
|
 
−
|
 
−
|
 
−
|-
 
−
|13
 
−
| -
 
−
|3V3_CB
 
−
|3.3V
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|-
 
−
|14
 
−
|J18.
 
−
|PA11
 
−
|
 
−
|
 
−
|FDCAN1_RX
 
−
|I2C5_SCL
 
−
|
 
−
|
 
−
|
 
−
|-
 
−
|15
 
−
| -
 
−
|N.C.
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|-
 
−
|17
 
−
| -
 
−
|N.C.
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|-
 
−
|18
 
−
|J18.
 
−
|PF6
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|SPI5_NSS
 
−
|UART7_RX
 
−
|
 
−
|-
 
−
|20
 
−
|J18.
 
−
|PF9
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|SPI5_MOSI
 
−
|UART7_CTS
 
−
|
 
−
|-
 
−
|21
 
−
|J18.
 
−
|NRST
 
−
|
 
−
|system reset
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|-
 
−
|22
 
−
|J18.
 
−
|PF7
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|SPI5_SCK
 
−
|UART7_TX
 
−
|
 
−
|-
 
−
|23
 
−
|J18.
 
−
|PONKEYn
 
−
|
 
−
|power key
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|-
 
−
|24
 
−
|J18.
 
−
|PF8
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|SPI5_MISO
 
−
|UART7_RTS/
 
  
−
UART7_DE
+
=== 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.
−
|-
 
−
|25
 
−
|J18.
 
−
|EEPROM_WP
 
−
|
 
−
|write protect for carrier eeprom
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|-
 
−
|26
 
−
|J18.
 
−
|PD6
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|-
 
−
|27
 
−
|J18.
 
−
|MEM_WP#
 
−
|
 
−
|write protect for NAND
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|-
 
−
|28
 
−
|J18.
 
−
|PA9
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|}
 
  
 
=== Device usage ===
 
=== Device usage ===
  
−
==== CAN ====
+
To connect to the debug serial port:
−
The CAN interfaces need a tranceiver to be connected to the CAN bus.
 
−
 
 
−
'''NOTE:''' the FDCAN1 pins are shared with touchscreen I2C interface and are not available when using I2C5.
 
−
 
 
−
See the [[ETRA SOM/ETRA Hardware/Peripherals/CAN|CAN]] page for more informations.
 
−
 
 
−
==== I2C5 ====
 
−
Configured by deafult for touchscreen I2C interface.
 
−
 
 
−
See the [[ETRA SOM/ETRA Hardware/Peripherals/I2C|I2C]] page for more informations.
 
−
 
 
−
==== SPI5 ====
 
−
'''NOTE:''' these pins are shared with UART7, cannot be used at the same time.
 
−
 
 
−
See the [[ETRA SOM/ETRA Hardware/Peripherals/SPI|SPI]] page for more informations.
 
−
 
 
−
==== UART7 ====
 
−
'''NOTE:''' these pins are shared with SPI5, cannot be used at the same time.
 
−
 
 
−
See the [[ETRA SOM/ETRA Hardware/Peripherals/USART|UART]] page for more informations.
 
−
 
 
−
==== SAI2 ====
 
−
See the [[ETRA SOM/ETRA Hardware/Peripherals/Audio|Audio]] page for more informations.
 
−
 
 
−
==== LED driver ====
 
−
Open collector outputs through a 120ohm resistor. Can be drive indicators LEDs
 
−
 
 
−
By default all the pins are available.
 
−
 
 
−
==== keyboard matrix ====
 
−
'''NOTE:''' COLUMN[0:5] are not available by default as the pins are routed to the LED open collector outputs. Please send an e-mail to [mailto:helpdesk@dave.eu helpdesk@dave.eu] for custom configurations.
 
−
 
 
−
See the [[ETRA SOM/ETRA Hardware/Peripherals/IO expander|IO_expander]] page for more informations.
 
−
 
 
−
==== Interface membrane ====
 
−
This mambrane can be provided for user interface when the system is mounted on the 4 modules DIN BAR profile, it can offer up to 2 keys and 6 LEDs.
 
−
 
 
−
Please send an e-mail to [mailto:helpdesk@dave.eu helpdesk@dave.eu] for more informations.
 
−
 
 
−
==== JTAG ====
 
−
See the [[ETRA SOM/ETRA Hardware/Power and Reset/JTAG|JTAG]] page for more informations.
 
  
−
=== System control ===
+
# connect the DB9 adapter bracket to the J22 connector on the SBCX board
−
See the [[ETRA SOM/ETRA Hardware/Power and Reset/Reset scheme and control signals|reset scheme]] for more informations.
+
# connect a serial cable between DB9 connector and PC COM port through a NULL-modem cable (not provided)
 +
# start your favorite terminal emulator software on PC (eg: PuTTY); communication parameters are: 115200,N,8,1
  
−
The system control signals are the following:
 
−
* system reset
 
−
** tie to ground for reset the system
 
−
* power key
 
−
** tie to ground for power up and down the system
 
−
* write protect for carrier eeprom
 
−
** tie to ground for write inside the carrier eeprom
 
−
** the first 32 bytes of the eeprom are used to store the CB ConfigID, the corruption of these bytes prevents the system from boot.
 
−
* write protect for NAND
 
−
** this pin allow to prevent unwanted writes, tie to ground when the NAND are not to be written.
 
 
----
 
----
  
 
[[Category:ETRA]]
 
[[Category:ETRA]]

Revision as of 12:36, 2 April 2021

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Auxiliary connectors 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 Auxiliary connectors 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-Auxiliary connectors-connector.png|thumb|center|500px|Auxiliary connectors connector]]

Signals[edit | edit source]

The following table describes the interface signals:

Pin# SOM Pin# Pin name Pin function Pin Notes
1,2,4,6,,7,8,10 - N.A. N.C. Not connected
3 J1.189 RS232_RX Receive line
3 J1.187 RS232_TX Transmit line
9 - 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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