lan9313 Standard Microsystems Corp., lan9313 Datasheet - Page 35

• Manufacturer Part Number: lan9313
• Description: Lan9313/lan9313i Three Port 10/100 Managed Ethernet Switch With Mii
• Manufacturer: Standard Microsystems Corp.

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
SMSC LAN9313/LAN9313i
PIN
36
35
34
32
31
(External MII)
Speed Select
(External MII)
Polarity Strap
(External MII)
Backpressure
Enable Strap
Manual Flow
Enable Strap
Enable Strap
Duplex Flow
Port 2 Full-
Control
Control
Duplex
NAME
Port 2
Port 0
Port 0
Port 0
Strap
Table 3.5 Dedicated Configuration Strap Pins (continued)
MANUAL_FC_2
DUPLEX_POL_MII
SPEED_MII
BP_EN_MII
SYMBOL
FD_FC_2
DATASHEET
BUFFER
Note 3.8
Note 3.8
Note 3.8
Note 3.8
Note 3.8
TYPE
(PU)
(PU)
(PU)
(PU)
(PU)
IS
IS
IS
IS
IS
35
Port 2 Full-Duplex Flow Control Enable Strap:
Configures the default value of the
Duplex Transmit Flow Control Enable (TX_FC_2)
and
Enable (RX_FC_2)
Control Register
when manual full-duplex control is selected. When
latched low, full-duplex Pause packet detection and
generation are disabled. When latched high, full-
duplex Pause packet detection and generation are
enabled. See
Port 2 Manual Flow Control Enable Strap:
Configures the default value of the
Duplex Manual Flow Control Select
(MANUAL_FC_2)
Control Register
low, flow control is determined by auto-negotiation.
When latched high, flow control is determined by
the
Enable (TX_FC_2)
Flow Control Enable (RX_FC_2)
Note
Port 0(External MII) Speed Select Strap:
Together with the DUPLEX_POL_MII and
MII_DUPLEX pins, configures the base ability
values in the
Partner Base Page Ability Register
(VPHY_AN_LP_BASE_ABILITY).
This pin also configures the speed for Port 0 when
the Virtual Auto-Negotiation fails. When latched
low, 10Mbps is selected. When latched high,
100Mbps is selected.
Refer to
information.
See
Port 0(External MII) Duplex Polarity Strap:
Configures the polarity of the MII_DUPLEX pin for
Port 0.
If MII_DUPLEX = DUPLEX_POL_MII, full-duplex is
selected.
If MII_DUPLEX != DUPLEX_POL_MII, half-duplex
is selected.
Refer to
information.
See
Port 0(External MII) Backpressure Enable Strap:
Configures the default value for the
Backpressure Enable (BP_EN_MII)
0(External MII) Manual Flow Control Register
(MANUAL_FC_MII). When latched low,
backpressure is disabled. When latched high,
backpressure is enabled.
See
Port 2 Full-Duplex Transmit Flow Control
Port 2 Full-Duplex Receive Flow Control
Note
Note
Note
3.9.
Section 13.1.7.6
Section 13.1.7.6
3.9.
3.9.
3.9.
Virtual PHY Auto-Negotiation Link
Note
(MANUAL_FC_2), which are used
(MANUAL_FC_2). When latched
DESCRIPTION
bit in the
and
3.9.
bits in the
Port 2 Full-Duplex Receive
and
and
Port 2 Manual Flow
Port 2 Manual Flow
Table 13.6
Table 13.6
Revision 1.2 (04-08-08)
bits. See
Port 2 Full-
Port 2 Full-
bit of the
Port 0
for more
for more
Port