LAN9353 Datasheet, PDF (75/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
TABLE 7-1: SOFT-STRAP CONFIGURATION STRAP DEFINITIONS (CONTINUED)
Strap Name
BP_EN_strap_2
FD_FC_strap_2
Description
Pin / Default Value
Switch Port 2 Backpressure Enable Strap: Configures the 1b
default value for the Port 2 Backpressure Enable (BP_EN_2)
bit of the Port 2 Manual Flow Control Register (MANUAL_F-
C_2).
Refer to the respective register definition sections for addi-
tional information.
Switch Port 2 Full-Duplex Flow Control Enable Strap: This 1b
strap is used to configure the default value of the following
register bits:
• Port 2 Full-Duplex Transmit Flow Control Enable (TX_F-
C_2) and Port 2 Full-Duplex Receive Flow Control Enable
(RX_FC_2) bits of the Port 2 Manual Flow Control Regis-
ter (MANUAL_FC_2).
FD_FC_strap_2
(cont.)
Refer to the respective register definition sections for addi-
tional information.
PHY B Full-Duplex Flow Control Enable Strap: This strap 1b
also affects the default value of the following register bits
(x=B):
manual_FC_strap_2
manual_FC_strap_2
(cont.)
• Asymmetric 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.
Switch Port 2 Manual Flow Control Enable Strap: Config- 0b
ures the 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).
Refer to the respective register definition sections for addi-
tional information.
PHY B Manual Flow Control Enable Strap: This strap
0b
affects the default value of the following register bits (x=B):
• Asymmetric Pause and Symmetric Pause bits 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.
 2015 Microchip Technology Inc.
DS00001925A-page 75