Part Number: TM4C129XNCZAD
Hello,
My customer experienced a timing corruption of LCD control signals.
As long as our test, the trigger would be an SDRAM access via EPI.
Fortunatelly they have a good and bad firmwares, therefore they are trying to improve the bad firmware to the good one.
Note that we have tried the errata LCD#02 workaround, but still the LCD control signal corrupts when SDRAM is accessed.
Could you please advise?
We tried to breakdown to some questions:
Q.
Is it reasonable that SDRAM access blocks LCD? Is it true only for blocking access?
Q.
The memory map in the DS doesn't show the usage of 0x1000.0000 for External code address. Is it an intended result?
I know the same question is also possible for 0x6000.0000, 0x8000.0000, 0xA000.0000, 0xC000.0000.
But we would like to discuss about the 0x1000.0000 because the address is related to the errata LCD#02.
