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My customer found an issue for the circuit of external oscillator. They design the circuit based on the schematic of F28377S launchpad, and they found only when the 1Mohm resistor is removed, the oscillator can work.
(C:\ti\c2000\C2000Ware_1_00_05_00\boards\LaunchPads\LAUNCHXL_F28377S)
And I found the instruction for the oscillator in TRM, and the circuits shown are different from the one of launchpad, so could you give explanation for this? And why are there 3 kinds of circuits?
One more thing is that I can not find the hard design files for the control card of F28377D in the below file.
C:\ti\c2000\C2000Ware_1_00_05_00\boards\controlCARDs\TMDSCNCD28377D
Aki,
I will reply on #1 tomorrow
Thanks,
Mark