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EMAC Port Registers
5.25 Receive Buffer Offset Register (RXBUFFEROFFSET)
The receive buffer offset register (RXBUFFEROFFSET) is shown in Figure 67 and described in Table 61.
Figure 67. Receive Buffer Offset Register (RXBUFFEROFFSET)
31 16
Reserved
R-0
15 0
RXBUFFEROFFSET
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 61. Receive Buffer Offset Register (RXBUFFEROFFSET) Field Descriptions
Bit Field Value Description
31-16 Reserved 0 Reserved
15-0 RXBUFFEROFFSET Receive buffer offset value. These bits are written by the EMAC into each frame SOP
buffer descriptor Buffer Offset field. The frame data begins after the RXBUFFEROFFSET
value of bytes. A value of 0 indicates that there are no unused bytes at the beginning of
the data and that valid data begins on the first byte of the buffer. A value of Fh (15)
indicates that the first 15 bytes of the buffer are to be ignored by the EMAC and that valid
buffer data starts on byte 16 of the buffer. This value is used for all channels.
121
SPRUEF8F–March 2006–Revised November 2010 C6472/TCI6486 EMAC/MDIO
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