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DP83867IS: What causes "XGMII_ERR_INT" to be 1?
Part Number: DP83867IS
My customer wants to insert a buffer device such as SN74AHC245 between MAC and PHY because the interval is a little bit long(almost 5 inchs).In their system, They haven't gotten good result with large packets due to poor signal integrity on RGMII lines. So they expect to improve by adding the Buffer,
1. At first, Do you think there are any concerns and notes about adding buffer device between Mac and Phy? If there are, please let me know.
2. Do you think they can get any improvement by adding the buffer?
I can send the schematic and waveform captures off-line to you after someone assigned for this thread.
MAC : Xillinx ZinqPhy : DP83867IS
Ethernet - Applications Engineer
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