LAN9303MI-AKZE Standard Microsystems (SMSC), LAN9303MI-AKZE Datasheet - Page 58

• Manufacturer Part Number: LAN9303MI-AKZE
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9303MI-AKZE

• Lead Free Status / Rohs Status: Compliant

Revision 1.4 (07-07-10)
4.2.4.2
STRAP NAME
BP_EN_strap_0
FD_FC_strap_0
manual_FC_strap_0
SQE_test_disable_strap_0
Hard-Straps
Hard-straps are latched upon Power-On Reset (POR) or pin reset (nRST) only. Unlike soft-straps,
hard-straps always have an associated pin and cannot be overridden by the EEPROM Loader. These
straps are used as either direct configuration values or as register defaults.
all hard-straps and their associated pins. These straps, along with their pin assignments are also
defined in
Table 4.2 Soft-Strap Configuration Strap Definitions (continued)
Chapter 3, "Pin Description and Configuration," on page
DESCRIPTION
Port 0 (External MII) Backpressure Enable Strap:
Configures the default value of the
Enable (BP_EN_0)
Register
Port 0 (External MII) Full-Duplex Flow Control Enable
Strap: Configures the default value of the
Flow Control Enable (TX_FC_0)
Control Enable (RX_FC_0)
Control Register
This strap affects the default value of the following register
bits:
Port 0 (External MII) Manual Flow Control Enable Strap:
This strap affects the default value of the following register
bits:
Refer to the respective register definition sections for
additional information.
Note:
SQE Heartbeat Disable Strap: Configures the default
value of the
Control/Status Register
(VPHY_SPECIAL_CONTROL_STATUS)
mode. It is not used in RMII PHY or MII MAC modes.
Asymmetric Pause
Auto-Negotiation Link Partner Base Page Ability Register
(VPHY_AN_LP_BASE_ABILITY)
Port 0 Full-Duplex Manual Flow Control Select
(MANUAL_FC_0)
Register (MANUAL_FC_0)
Asymmetric Pause
Virtual PHY Auto-Negotiation Advertisement Register
(VPHY_AN_ADV)
(MANUAL_FC_0).
In MAC mode, this strap is not used. In this mode,
the Virtual PHY is not applicable, and full-duplex
flow control must be controlled manually by the
host, based upon the external PHYs Auto-
negotiation results.
Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
SQEOFF
DATASHEET
(MANUAL_FC_0).
bit of the
bit in the
and
and
bit of the
58
Pause
Symmetric Pause
bits in the
Port 0 Manual Flow Control
Port 0 Manual Flow Control
Virtual PHY Special
bits of the
and
Port 0 Backpressure
Port 0 Receive Flow
Port 0 Manual Flow
when in MII PHY
Port 0 Transmit
Virtual PHY
bits of the
23.
SMSC LAN9303M/LAN9303Mi
Table 4.3
PIN / DEFAULT
VALUE
1b
1b
0b
0b
provides a list of
Datasheet