Network Card User Manual

www.ti.com Ethernet Media Access Controller (EMAC) Registers
5.26 Receive Filter Low Priority Frame Threshold Register (RXFILTERLOWTHRESH)
The receive filter low priority frame threshold register (RXFILTERLOWTHRESH) is shown in Figure 65
and described in Table 63.
Figure 65. Receive Filter Low Priority Frame Threshold Register (RXFILTERLOWTHRESH)
31 16
Reserved
R-0
15 8 7 0
Reserved RXFILTERTHRESH
R-0 R/W-0
LEGEND: R = Read only; R/W = Read/Write; -n = value after reset
Table 63. Receive Filter Low Priority Frame Threshold Register (RXFILTERLOWTHRESH)
Field Descriptions
Bit Field Value Description
31-8 Reserved 0 Reserved
7-0 RXFILTERTHRESH 0-FFh Receive filter low threshold. These bits contain the free buffer count threshold value for filtering
low priority incoming frames. This field should remain 0, if no filtering is desired.
5.27 Receive Channel 0-7 Flow Control Threshold Register (RXnFLOWTHRESH)
The receive channel 0-7 flow control threshold register (RXnFLOWTHRESH) is shown in Figure 66 and
described in Table 64.
Figure 66. Receive Channel n Flow Control Threshold Register (RXnFLOWTHRESH)
31 16
Reserved
R-0
15 8 7 0
Reserved RXnFLOWTHRESH
R-0 R/W-0
LEGEND: R = Read only; R/W = Read/Write; -n = value after reset
Table 64. Receive Channel n Flow Control Threshold Register (RXnFLOWTHRESH)
Field Descriptions
Bit Field Value Description
31-8 Reserved 0 Reserved
7-0 RXnFLOWTHRESH 0-FFh Receive flow threshold. These bits contain the threshold value for issuing flow control on
incoming frames for channel n (when enabled).
107
SPRUFI5B–March 2009–Revised December 2010 Ethernet Media Access Controller (EMAC)/Management Data Input/Output
(MDIO)
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