Other Parts Discussed in Thread: TM4C1294KCPDT, TM4C1290NCPDT
Dear Expert
Now we use TM4C1294kcpDT to replace TM4C1290NCPDT, and find the following problems: Using LM FLASH software to download the BIN file, it shows that the target cannot be found, and there is no problem with the configuration, because the firing of 1290 is normal, as shown below:
Different pins from 1290 and 1294 are also modified (PIN 51-63) to be compatible with 1294 and 1290. The following figure shows the compatible CPU schematic. Other pins are the same as those of the 1290.
The same environment, just change the board 1294 CPU into 1290 CPU, you can burn normally, the program runs normally. The crystal vibration and reset of the board have been confirmed to be normal.
I would like to ask: what may cause the connection failure? These two are the same series and the difference should be very small. Is there something wrong with this film? I just got 12,000 pieces here. Please help to confirm, thank you!
Attached is the CPU schematic of 1294.
This is Burn unit. And we use LM Flash Programmer 1588 version .
