Hi Yasunori
>method for lowering transient response,
>If you have the know-how of register setting, wouldn't it just teach you
transients may be caused by strong signal, one can try to decrease drive
strength using DSE field in IOMUX pad register, described in AN5078
Influence of Pin Setting on System Function and Performance
For example for i.MX6Q sect.36.4.350 Pad Control Register
(IOMUXC_SW_PAD_CTL_PAD_DRAM_SDCLK0_P)
i.MX 6Dual/6Quad Applications Processor Reference Manual
Also it may be caused by signal reflections, one can pay attention
to board layout, please check i.MX 6 Series Layout Recommendations
IMX6DQ6SDLHDG, Hardware Development Guide for i.MX 6Quad, 6Dual, 6DualLite, 6Solo Families of Applic...
Best regards
igor
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