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MBa6x DIP switch settings

Boot Device Selection (S1, S2, S4 & S5)

To select the desired boot medium set the DIP switches S1, S2, S4 and S5 accordingly.

Switching boot sources is only possible if the BOOT_MODE fuses are not programmed. If configured for “Boot from eFuses” but fuses are not programmed, the boot loader will not be able to determine the boot source.

To enable boot device selection BOOT_MODE has to be set to “Internal Boot”.
This can be done using DIP switch S5 on MBa6x:

BOOT_MODE S5-1 S5-2
Boot from eFuses 0 0
Serial Downloader 0 1
Internal Boot 1 0

The following boot modes of the i.MX6 can be selected by the DIP switches S1, S2, S4 and S5 on the MBa6x.

SD card

S1 S2 S4 S5
DIP 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2
ON
OFF

eMMC

S1 S2 S4 S5
DIP 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2
ON
OFF

SPI-NOR

S1 S2 S4 S5
DIP 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2
ON
OFF

CAN configuration (S13)

DIP switch S13 is used to configure the CAN interfaces CAN1 and CAN2.

Termination

DIP OFF (default) ON
S13-1 CAN0 not terminated CAN0 interface terminated (120Ω)
S13-2 CAN1 not terminated CAN1 interface terminated (120Ω)

RS485 configuration (S14)

DIP switch S14 is used to configure the RS485 interface.

Termination

DIP OFF (default) ON
S14-1 RS485 RxD not terminated RS485 RxD terminated (120Ω)
S14-2 RS485 TxD not terminated RS485 TxD terminated (120Ω)

en/arm/tqma6x/mba6x/dip_switches.txt · Last modified: 2019/01/14 12:49 by liedmann


Disclaimer

TQ-Systems GmbH provides the Board Support Packages (BSP) free of charge. The software included in the shipment has been configured individually for the starter kits. The software is only intended to evaluate the module. The use of the Board Support Packages (BSP) is only allowed within the scope of functionality described by TQ-Systems GmbH. TQ-Systems GmbH does not accept any liability for all further changes of the Board Support Package and for any damage resulting from its use.


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