LAN9354 datasheet(57/487 Pages) MICROCHIP

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 2015 Microchip Technology Inc.

DS00001926B-page 57

LAN9354

BP_EN_strap_1

Switch Port 1 Backpressure Enable Strap:

Configures the

default value for the Port 1 Backpressure Enable (BP_EN_1)

bit of the Port 1 Manual Flow Control Register (MANUAL_F-

C_1).

Refer to the respective register definition sections for addi-

tional information.

FD_FC_strap_1

Switch Port 1 Full-Duplex Flow Control Enable Strap:

This

strap is used to configure the default value of the following

• Port 1 Full-Duplex Transmit Flow Control Enable (TX_F-

C_1) and Port 1 Full-Duplex Receive Flow Control Enable

(RX_FC_1) bits of the Port 1 Manual Flow Control Regis-

ter (MANUAL_FC_1)

Refer to the respective register definition sections for addi-

tional information.

FD_FC_strap_1

(cont.)

PHY A Full-Duplex Flow Control Enable Strap:

This strap

affects the default value of the following register bits (x=A):

• 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.

manual_FC_strap_1

Switch Port 1 Manual Flow Control Enable Strap:

Config-

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.

manual_FC_strap_1

(cont.)

PHY A Manual Flow Control Enable Strap:

This strap

affects the default value of the following register bits (x=A):

• 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.

TABLE 7-1:

SOFT-STRAP CONFIGURATION STRAP DEFINITIONS (CONTINUED)

Strap Name

Description

Pin / Default Value

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