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Boundary Scan on IMX6

Question asked by David Baxter on Dec 15, 2014
Latest reply on Apr 2, 2019 by Hao Wei
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I am using a MCIMX6D4AVT08AD working on a customer supplied board for a boundary scan tool development company (XJTAG), I cannot get certain GPIO2 (16-31) , and GPIO3(1-15)  pins to behave according to their BSDL specification. As best that I can tell they appear to read but not write. Do I need to initialise any registers etc to make the device behave according to the BSDL file?