DescriptionResetTypeNameBit/Field
Loopback Mode Select
The PHY provides several options for Loopback that test and verify
various functional blocks within the PHY.
DescriptionValue
reserved0x00
Near-end loopback: PCS Input Loopback0x01
Near-end loopback: PCS Output Loopback (In 100Base-TX
only)
0x02
reserved0x03
Near-end loopback: Digital Loopback0x04
reserved0x05-0x07
Near-end loopback: Analog Loopback (requires 100Ω
termination)
0x08
reserved0x09-0x0F
Far-end Loopback: Reverse Loopback0x10
0RWLBMODE4:0
June 18, 20141632
Texas Instruments-Production Data
Ethernet Controller
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