NXP Semiconductors i.MX8 QM - Page 85

Table 41. Board bring-up checklist (continued)
Checklist Item Details Owner
Findings
and Status
following (depending on
system availability):
• NAND (probe CE to
verify the boot and measure
the RE frequency).
• SPI-NOR (probe the slave
select and measure the clock
frequency).
• MMC/SD (measure the
clock frequency).
boot modes.
Run the basic DDR
initialization and test
the memory.
Using the DDR testing tools supplied by NXP (or developed by the user,
if desired), run and verify the DDR initialization script. Verify that the
entire memory is available for use.
Test the temperature
and voltage.
Verify that the PCB design operates correctly at extreme corners of the
specified operating conditions.
NXP Semiconductors
Avoiding board bring-up problems
i.MX8 QM / i.MX8 QXP Hardware Developer’s Guide, Rev. 2.4p, 06/2021
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