help:rtl8019as's DMA interface and how it's builtin SDRAM

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stone2river

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sdram dma interface

help:rtl8019as's DMA interface and how it's builtin SDRAM works

I'm designing a tcp/ip interface with 51mcu. The ethernet interface chip
I selected is the popular RTL8019as. But I found the datasheet of rtl8019as
is very hard to read and had no worthful information on how its works.

Can anyboby help me?
 

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