JAJSON9 May 2022 DP83TC813R-Q1 , DP83TC813S-Q1
PRODUCTION DATA
Analog Loopback uses the echoed signals from the unterminated MDI and decodes these signals in the Hybrid to return the data to the MAC.
Write register 0x0016 = 0x0108
Write register 0x0619 = 0x1555
Write register 0x0624 = 0x55BF
Data can also be checked internally by reading registers 0x063C, 0x063D, 0x063E
Write register 0x0619 = 0x0557
Write register 0x0624 = 0x55BF
Data generate by the internal PRBS will be transmitted over the MDI and the MAC interface.