DescriptionResetTypeNameBit/Field
Scrambler Bypass
DescriptionValue
Scrambler bypass disabled.0
Scrambler bypass enabled.1
0x1RWSBPYASS11
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
0ROreserved10
Loopback FIFO Depth
DescriptionValue
Four nibble FIFO0x0
Five nibble FIFO0x1
Six nibble FIFO0x2
Eight nibble FIFO0x3
This FIFO is used to adjust RX (recovered) clock rate to TX clock rate.
FIFO depth must be set based on expected maximum packet size and
clock accuracy. Default value sets to 5 nibbles.
0RWLBFIFO9:8
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
0ROreserved7:5
Collision in Full-Duplex Mode
DescriptionValue
Disable collision indication in full-duplex mode. Collision
indication is active in half-duplex mode only.
0
Enable collision signaling in full-duplex mode.1
0RWCOLFDM4
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
0ROreserved3
Test Interrupt
DescriptionValue
Do not generate interrupt0
Generate an interrupt1
Forces the PHY to generate an interrupt to facilitate interrupt testing.
Interrupts will continue to be generated as long as this bit remains set.
0RWTINT2
June 18, 20141620
Texas Instruments-Production Data
Ethernet Controller
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