LAN9353 Datasheet, PDF (68/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
TABLE 7-1: SOFT-STRAP CONFIGURATION STRAP DEFINITIONS (CONTINUED)
Strap Name
1588_enable_strap
Description
1588 Enable Strap: Configures the default value of the 1588
Enable (1588_ENABLE) bit in the 1588 Command and Con-
trol Register (1588_CMD_CTL).
Note:
The defaults of the 1588 register set are such that
the device will perform End-to-End Transparent
Clock functionality without further configuration.
Pin / Default Value
1588EN
auto_mdix_strap_1
manual_mdix_strap_1
PHY A Auto-MDIX Enable Strap: Configures the default
1b
value of the AMDIX_EN Strap State Port A bit of the Hard-
ware Configuration Register (HW_CFG).
This strap is also used in conjunction with manual_mdix-
_strap_1 to configure PHY A Auto-MDIX functionality when
the Auto-MDIX Control (AMDIXCTRL) bit in the (x=A) PHY x
Special Control/Status Indication Register (PHY_SPECIAL_-
CONTROL_STAT_IND_x) indicates the strap settings should
be used for auto-MDIX configuration.
Note: This has no effect when the PHY is in 100BASE-FX
mode.
Refer to the respective register definition sections for addi-
tional information.
PHY A Manual MDIX Strap: Configures MDI(0) or MDIX(1) 0b
for PHY A when the auto_mdix_strap_1 is low and the Auto-
MDIX Control (AMDIXCTRL) bit in the (x=A) PHY x Special
Control/Status Indication Register (PHY_SPECIAL_CON-
TROL_STAT_IND_x) indicates the strap settings are to be
used for auto-MDIX configuration.
Note: This has no effect when the PHY is in 100BASE-FX
mode.
Refer to the respective register definition sections for addi-
tional information.
DS00001925A-page 68
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