LAN9303MI-AKZE Datasheet, PDF (57/386 Pages) SMSC Corporation – Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Datasheet
Table 4.2 Soft-Strap Configuration Strap Definitions (continued)
STRAP NAME
FD_FC_strap_2
manual_FC_strap_2
speed_strap_0
DESCRIPTION
PIN / DEFAULT
VALUE
Port 2 Full-Duplex Flow Control Enable Strap: This strap 1b
is used to configure the default value of the following
register bits:
„ Port 2 Full-Duplex Transmit Flow Control Enable
(TX_FC_2) and Port 2 Full-Duplex Receive Flow Control
Enable (RX_FC_2) bits of the Port 2 Manual Flow Control
Register (MANUAL_FC_2).
This strap may affect the default value of the following
register bits (x=2):
„ Asymmetric Pause bit of the Port x PHY Auto-Negotiation
Advertisement Register (PHY_AN_ADV_x)
Refer to the respective register definition sections for
additional information.
Port 2 Manual Flow Control Enable Strap: Configures the 0b
default value of the Port 2 Full-Duplex Manual Flow Control
Select (MANUAL_FC_2) bit in the Port 2 Manual Flow
Control Register (MANUAL_FC_2).
This strap affects the default value of the following register
bits (x=2):
„ Asymmetric Pause and Symmetric Pause bits of the Port
x PHY Auto-Negotiation Advertisement Register
(PHY_AN_ADV_x).
Port 0 (External MII) Speed Select Strap: This strap
1b
affects the default value of the following bits in the Virtual
PHY Auto-Negotiation Link Partner Base Page Ability
Register (VPHY_AN_LP_BASE_ABILITY):
„ 100BASE-X Full Duplex
„ 100BASE-X Half Duplex
„ 10BASE-T Full Duplex
„ 10BASE-T Half Duplex
Refer to Section 13.2.6.6 and Table 13.7 for more
information.
This strap also configures the speed for Port 0 when Virtual
Auto-Negotiation fails. Refer to Section 7.3.1.1, "Parallel
Detection," on page 112 for additional information.
SMSC LAN9303M/LAN9303Mi
57
DATASHEET
Revision 1.5 (07-08-11)