lan9303 Standard Microsystems Corp., lan9303 Datasheet - Page 154
lan9303
Manufacturer Part Number
lan9303
Description
Small Form Factor Three Port 10/100 Managed Ethernet Switch With Single Mii/rmii/turbo Mii
Manufacturer
Standard Microsystems Corp.
Datasheet
1.LAN9303.pdf
(366 pages)
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Revision 1.3 (08-27-09)
13.2.4.2
BITS
31:7
6
5
4
3
2
1
RESERVED
Port 2 Backpressure Enable (BP_EN_2)
This bit enables/disables the generation of half-duplex backpressure on
switch Port 2.
0: Disable backpressure
1: Enable backpressure
Port 2 Current Duplex (CUR_DUP_2)
This bit indicates the actual duplex setting of switch Port 2.
0: Full-Duplex
1: Half-Duplex
Port 2 Current Receive Flow Control Enable (CUR_RX_FC_2)
This bit indicates the actual receive flow setting of switch Port 2.
0: Flow control receive is currently disabled
1: Flow control receive is currently enabled
Port 2 Current Transmit Flow Control Enable (CUR_TX_FC_2)
This bit indicates the actual transmit flow setting of switch Port 2.
0: Flow control transmit is currently disabled
1: Flow control transmit is currently enabled
Port 2 Full-Duplex Receive Flow Control Enable (RX_FC_2)
When the MANUAL_FC_2 bit is set, or Auto-Negotiation is disabled, this bit
enables/disables the detection of full-duplex Pause packets on switch Port 2.
0: Disable flow control receive
1: Enable flow control receive
Port 2 Full-Duplex Transmit Flow Control Enable (TX_FC_2)
When the MANUAL_FC_2 bit is set, or Auto-Negotiation is disabled, this bit
enables/disables full-duplex Pause packets to be generated on switch Port
2.
0: Disable flow control transmit
1: Enable flow control transmit
Port 2 Manual Flow Control Register (MANUAL_FC_2)
This read/write register allows for the manual configuration of the switch Port 2 flow control. This
register also provides read back of the currently enabled flow control settings, whether set manually
or Auto-Negotiated. Refer to
information.
Note: The flow control values in the PHY_AN_ADV_2 register (see
within the PHY are not affected by the values of this register.
Offset:
1A4h
DESCRIPTION
Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Section 6.2.3, "Flow Control Enable Logic," on page 62
DATASHEET
154
Size:
32 bits
Section 13.3.2.5, on page
TYPE
R/W
R/W
R/W
SMSC LAN9303/LAN9303i
RO
RO
RO
RO
Note 13.10
Note 13.10
for additional
DEFAULT
Note 13.8
Note 13.9
Note 13.9
Note 13.9
Datasheet
-
199)
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