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Need help about bus problem in designing board for stm32f407vgt6

Question asked by dani.d on Apr 15, 2015
Latest reply on Apr 16, 2015 by dani.d
i am going to use 16 bit wide data bus in high speed (roughly 20mhz). so theoretically, i need to use one port? the problem is the lqfp100 package that the chip has, have all the port pins scattered. none of the port have sequential pins on the package. i am going to use sdio and dac, so i can't use portC, port D and port A. am i correct?
moreover, i guess i need to route the trace to the pins in same length, even the port pins are scattered? any advice?

Thank you.