MBa53 DIP switch settings
Boot Device Selection (S2 & S3)
To select the desired boot medium set the DIP switches S2 and S3 accordingly.
| BOOT_MODE | S5-1 | S5-2 |
|---|---|---|
| Boot from eFuses | 1 | 0 |
| Serial Downloader | 1 | 1 |
| Internal Boot | 0 | 0 |
The following boot modes of the i.MX53 can be selected by the DIP switches S2 and S3 on the MBa53.
SD card
 |  |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DIP | S2-1 | S2-2 | S2-3 | S2-4 | S2-5 | S2-6 | S2-7 | S2-8 | S3-1 | S3-2 | S3-3 | S3-4 | S3-5 | S3-6 | S3-7 | S3-8 | ||
| ON | • | • | • | |||||||||||||||
| OFF | • | • | • | • | • | • | • | • | • | • | • | • | • | |||||
On-board eMMC
 |  |
|||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DIP | S2-1 | S2-2 | S2-3 | S2-4 | S2-5 | S2-6 | S2-7 | S2-8 | S3-1 | S3-2 | S3-3 | S3-4 | S3-5 | S3-6 | S3-7 | S3-8 | ||
| ON | • | • | • | • | ||||||||||||||
| OFF | • | • | • | • | • | • | • | • | • | • | • | • | ||||||
Configuration DIP switch S2
| DIP | OFF | ON |
|---|---|---|
| S2-1 | ARM Frequency 800 MHz | ARM Frequency 400 MHz |
| S2-2 | MMU/Cache is disabled by ROM during the boot | MMU/Cache is enabled by ROM during the boot |
| S2-3 | 200 MHz AXI / 400 MHz DDR | 166 MHz AXI / 333 MHz DDR |
| S2-4 | 19,2, 24, 26, 27 MHz Auto Detection | OSC Frequency 24 MHz |
CAN configuration (S10)
DIP switch S1 is used to configure the CAN interfaces CAN1 and CAN2.
Termination
| DIP | OFF (default) | ON |
|---|---|---|
| S10-1 | CAN1 not terminated | CAN1 terminated (120Ω) |
| S10-2 | CAN2 not terminated | CAN2 terminated (120Ω) |
RS485 configuration (S4)
DIP switch S4 is used to configure the RS485 interface.
Termination
| DIP | OFF (default) | ON |
|---|---|---|
| S4-1 | RS485 RxD not terminated | RS485 RxD terminated (120Ω) |
| S4-2 | RS485 TxD not terminated | RS485 TxD terminated (120Ω) |
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.
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.