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IMX6Q EIM (16bit :D0~D15) problem

Question asked by jianmin li on Aug 18, 2017
Latest reply on Feb 19, 2019 by jianmin li

We're using i.MX6Q with EIM interfacing to an FPGA, using synch 16 bit none multiplexed mode with burst mode.

we use EIM_D0~EIM_D15 as DATA bus;

address and data bus work well except EIM_D6 and EIM_D7:   when it pull down , it is hard to be pull up.

so if i want it to give a 101 level ,but it actually give me a level of 100.

why?    is there some hardware problem?