LAN9353 Datasheet, PDF (72/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
TABLE 7-1: SOFT-STRAP CONFIGURATION STRAP DEFINITIONS (CONTINUED)
Strap Name
FD_FC_strap_1
(cont.)
Description
Pin / Default Value
Port 1 Virtual PHY Full-Duplex Flow Control Enable Strap: 1b
This strap affects the default value of the following register bits
(x=1):
manual_FC_strap_1
manual_FC_strap_1
(cont.)
• Asymmetric Pause and Pause bits of the Port x Virtual
PHY Auto-Negotiation Link Partner Base Page Ability
Register (VPHY_AN_LP_BASE_ABILITY_x)
Refer to the respective register definition sections for addi-
tional information.
Switch Port 1 Manual Flow Control Enable Strap: Config- 0b
ures the default value of the Port 1 Full-Duplex Manual Flow
Control Select (MANUAL_FC_1) bit in the Port 1 Manual Flow
Control Register (MANUAL_FC_1).
Refer to the respective register definition sections for addi-
tional information.
PHY A Manual Flow Control Enable Strap: This strap
0b
affects the default value of the following register bits (x=A):
manual_FC_strap_1
(cont.)
• Asymmetric Pause and Symmetric Pause bit of the PHY
x Auto-Negotiation Advertisement Register
(PHY_AN_ADV_x)
Note: This has no effect when the PHY is in 100BASE-FX
mode.
Refer to the respective register definition sections for addi-
tional information.
Port 1 Virtual PHY Manual Flow Control Enable Strap: This 0b
strap affects the default value of the following register bits
(x=1):
• Asymmetric Pause and Symmetric Pause bits of the Port
x Virtual PHY Auto-Negotiation Advertisement Register
(VPHY_AN_ADV_x)
Refer to the respective register definition sections for addi-
tional information.
EEE_enable_strap_1
Switch Port 1 Energy Efficient Ethernet Enable Strap:
Configures the default value of the Energy Efficient Ethernet
(EEE_ENABLE) bit in the (x=1) Port x MAC Transmit Configu-
ration Register (MAC_TX_CFG_x).
Note:
This has no effect when in Port 1 internal PHY mode
when the PHY is in 100BASE-FX mode (lack of EEE
auto-negotiation results disables EEE).
Refer to the respective register definition sections for addi-
tional information.
EEEEN
DS00001925A-page 72
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