Texas Instruments TMS320DM646x 사용자 설명서
www.ti.com
2.5.5.10
Teardown Complete (TDOWNCMPLT) Flag
2.5.5.11
Pass CRC (PASSCRC) Flag
2.5.5.12
Jabber Flag
2.5.5.13
Oversize Flag
2.5.5.14
Fragment Flag
2.5.5.15
Undersized Flag
2.5.5.16
Control Flag
2.5.5.17
Overrun Flag
2.5.5.18
Code Error (CODEERROR) Flag
2.5.5.19
Alignment Error (ALIGNERROR) Flag
2.5.5.20
CRC Error (CRCERROR) Flag
Architecture
This flag is used when a receive queue is being torn down, or aborted, instead of being filled with received
data. This would happen under device driver reset or shutdown conditions. The EMAC sets this bit in the
descriptor of the first free buffer when the tear down occurs. No additional queue processing is performed.
data. This would happen under device driver reset or shutdown conditions. The EMAC sets this bit in the
descriptor of the first free buffer when the tear down occurs. No additional queue processing is performed.
This flag is set by the EMAC in the SOP buffer descriptor if the received packet includes the 4-byte CRC.
This flag should be cleared by the software application before submitting the descriptor to the receive
queue.
This flag should be cleared by the software application before submitting the descriptor to the receive
queue.
This flag is set by the EMAC in the SOP buffer descriptor, if the received packet is a jabber frame and was
not discarded because the RXCEFEN bit was set in the RXMBPENABLE. Jabber frames are frames that
exceed the RXMAXLEN in length, and have CRC, code, or alignment errors.
not discarded because the RXCEFEN bit was set in the RXMBPENABLE. Jabber frames are frames that
exceed the RXMAXLEN in length, and have CRC, code, or alignment errors.
This flag is set by the EMAC in the SOP buffer descriptor, if the received packet is an oversized frame and
was not discarded because the RXCEFEN bit was set in the RXMBPENABLE.
was not discarded because the RXCEFEN bit was set in the RXMBPENABLE.
This flag is set by the EMAC in the SOP buffer descriptor, if the received packet is only a packet fragment
and was not discarded because the RXCEFEN bit was set in the RXMBPENABLE.
and was not discarded because the RXCEFEN bit was set in the RXMBPENABLE.
This flag is set by the EMAC in the SOP buffer descriptor, if the received packet is undersized and was
not discarded because the RXCSFEN bit was set in the RXMBPENABLE.
not discarded because the RXCSFEN bit was set in the RXMBPENABLE.
This flag is set by the EMAC in the SOP buffer descriptor, if the received packet is an EMAC control frame
and was not discarded because the RXCMFEN bit was set in the RXMBPENABLE.
and was not discarded because the RXCMFEN bit was set in the RXMBPENABLE.
This flag is set by the EMAC in the SOP buffer descriptor, if the received packet was aborted due to a
receive overrun.
receive overrun.
This flag is set by the EMAC in the SOP buffer descriptor, if the received packet contained a code error
and was not discarded because the RXCEFEN bit was set in the RXMBPENABLE.
and was not discarded because the RXCEFEN bit was set in the RXMBPENABLE.
This flag is set by the EMAC in the SOP buffer descriptor, if the received packet contained an alignment
error and was not discarded because the RXCEFEN bit was set in the RXMBPENABLE.
error and was not discarded because the RXCEFEN bit was set in the RXMBPENABLE.
This flag is set by the EMAC in the SOP buffer descriptor, if the received packet contained a CRC error
and was not discarded because the RXCEFEN bit was set in the RXMBPENABLE.
and was not discarded because the RXCEFEN bit was set in the RXMBPENABLE.
Ethernet Media Access Controller (EMAC)/Management Data Input/Output (MDIO)
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SPRUEQ6 – December 2007