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This document describes the conga-QEVAL carrier board Rev. 1.2 when used with the Bluetechnix Qseven-i.MX537 module.

= conga-QEVAL documentation =

The conga-QEVAL is an evaluation board for Qseven® modules, made by ''congatec''.

Web site: https://www.congatec.com/qeval.html?&L=0

Datasheet, schematics, and user's guide download: https://www.congatec.com/qeval-doc.html?&L=0

= Boot modes =

The conga-QEVAL base board features one jumper that configures the boot mode of the Qseven-i.MX537.

== SPI NOR flash ==
{{supporttable|Qseven-i.MX537|≥V1.0}}
'''Qseven-i.MX537 V1.0''':
*Set jumper CN31 to position 1-2.
'''Qseven-i.MX537 ≥V1.1''':
*Set jumper CN31 to position 2-3.


== USB/UART boot mode ==
Boot via USB-OTG port.

NOTE: The mfgtool requires this boot mode to be set.

*Set jumper CN31 to position 2-3 (boot mode configuration).
*Set jumper CN55 to position 2-3.
**This uses USB port 1 (=USB-OTG) as client.
**Attach your USB cable to connector CN20 (USB B type).

= Power-On/Reset =

*Press button POWER (SW1) for 500ms to power up the module.
*Press button POWER (SW1) for min. 1s to induce a Linux shutdown on the module.
*Press button RESET (SW3) to reset the module.

= JTAG adapter =

It is possible to connect an ARM JTAG debugger to the conga-QEVAL board via an adapter.

*conga-QEVAL CN35 (Feature Connector)
*conga-QEVAL CN45
*20-pin ARM JTAG connector (e.g. Farnell order nr. 1106835)

Schematics:

[[Image:QEVAL-Jtag-adapter.jpg|300px|border]]

= Ethernet =


No configuration necessary. Connect to Ethernet port on CN22.

= SD/MMC card socket =

*LED D12 is not used to indicate activity but signals that the socket is powered.

= USB Hosts =
*USB ports 0, 2, 3 (all on CN21), 4, and 5 (on CN22) of the conga-QEVAL board are connected to the MX53 USB host 1 via a USB hub on the Qseven-i.MX537.
*To enable USB port 1 (on CN21), set jumper CN55 to position 1-2.
**This selects host mode of the i.MX53 USB-OTG port.

= USB Client =
*To enable the USB client port (CN20), set jumper CN55 to position 2-3.
**This selects device mode of the i.MX53 USB-OTG port.

= CAN Bus =
*Set jumper CN62 to 1-2 (=Enable CAN termination).
*Connect CAN bus cable to CN70
**Pin 2...CAN-
**Pin 4...CAN+

We have successfully tested a bitrate of 1MBit/s.

= SATA =

SATA doesn't need any jumper configuration. Connect your SATA device to SATA0 port (CN17).

= LVDS display =

We have tested LVDS0 and LVDS1 outputs with the following display:
:'''Toshiba LT104AC36000'''

*Configure the following jumpers:
**Set jumper CN11 to position 1-2 (Selects 12V as Backlight voltage)
**Set jumper CN13 to position 1-2 (Selects 3V3 as LCD voltage)
**Set jumper CN14 to position 1-2 (Sets backlight enable signal as high-active)

We used the following adapter to connect the display
*conga-QEVAL CN12 (LVDS connector)
*conga-QEVAL CN15 (LCD Power connector)
*Toshiba CN1 (e.g. Digikey order nr. H10161-ND)
*Toshiba CN2 (e.g. Farnell order nr. 1125375)

Schematics:

[[Image:QEVAL-Lvds-adapter.jpg|300px|border]]

= Speaker =

U-Boot makes a short beep via the speaker on the conga-QEVAL. (This is no PWM signal, but just GPIO toggling.)

[[Category:i.MX53]]

Qseven-i.MX537 in conga-QEVAL Reference Manual - Versionsgeschichte

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