Part Number:AM3352Other Parts Discussed in Thread:TPS51200
Nancy Wang:
请参考以下帖子的回复:
the connection to VTT is not technically a pullup, it is a termination to VTT voltage, which is the recommended termination for all addr/ctrl signals in a fly-by topology.
e2e.ti.com/…/am3352-pull-down-ddr_cke-to-enable-sleep-feature
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johnson lu:
那么这个DDR—VTT是从3352芯片里出来的,还是单独一个电源?
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Nancy Wang:
抱歉由于个人原因休假,现在才给您回复。
johnson lu 说:那么这个DDR—VTT是从3352芯片里出来的,还是单独一个电源?
是单独电源供电,您可以参考开发板的设计,开发板使用的是TPS51200。