SPRACU5C June 2021 – September 2023 AM2431 , AM2432 , AM2434 , AM6411 , AM6412 , AM6421 , AM6422 , AM6441 , AM6442
Verify the required loopback clock configuration. Different configuration of clock loopback can be made using OSPI0_LBCLKO (OSPI Loopback Clock Output) and OSPI0_DQS (OSPI Data Strobe or Loopback Clock Input). For the following loopback configurations, see the device-specific data sheet:
Processor DQS or Loopback Clock is used along with the DS data strobe of OSPI device
If DS (Read Data Strobe) pin is available on the device, connect the DS pin of the device to the OSPI0_DQS pin of the processor. It is recommended to leave the OSPI0_LBCLKO pin floating.
If DS is available or not used, to configure the external loopback, connect the OSPI0_LBCLKO output pin of the processor to the OSPI0_DQS input pin of the processor.
If External Loopback is not used, it is recommended to leave the OSPI0_LBCLKO and OSPI0_DQS pins floating.