LAN9303-ABZJ Standard Microsystems (SMSC), LAN9303-ABZJ Datasheet - Page 47

• Manufacturer Part Number: LAN9303-ABZJ
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9303-ABZJ

• Number Of Primary Switch Ports: 3
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: No
• Power Supply Type: Analog
• Data Rate (typ): 10/100Mbps
• Vlan Support: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Operating Temperature Classification: Commercial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Compliant

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Datasheet
SMSC LAN9303/LAN9303i
STRAP NAME
LED_en_strap[5:0]
LED_fun_strap[1:0]
auto_mdix_strap_1
manual_mdix_strap_1
autoneg_strap_1
Table 4.2 Soft-Strap Configuration Strap Definitions
DESCRIPTION
LED Enable Straps: Configures the default value for the
LED Enable 5-0 (LED_EN[5:0])
Configuration Register
LED Function Straps: Configures the default value for the
LED Function 1-0 (LED_FUN[1:0])
Configuration Register
Port 1 Auto-MDIX Enable Strap: Configures the default
value of the
Hardware Configuration Register
This strap is also used in conjunction with
manual_mdix_strap_1
functionality when the
in the (x=1)
Register (PHY_SPECIAL_CONTROL_STAT_IND_x)
indicates the strap settings should be used for auto-MDIX
configuration.
Refer to the respective register definition sections for
additional information.
Port 1 Manual MDIX Strap: Configures MDI(0) or MDIX(1)
for Port 1 when the
MDIX Control (AMDIXCTRL)
Special Control/Status Indication Register
(PHY_SPECIAL_CONTROL_STAT_IND_x)
strap settings are to be used for auto-MDIX configuration.
Port 1 Auto Negotiation Enable Strap: Configures the
default value of the
of the (x=1)
(PHY_BASIC_CONTROL_x).
This strap also may affect the default value of the following
register bits (x=1):
Refer to the respective register definition sections for
additional information.
Speed Select LSB (PHY_SPEED_SEL_LSB)
Mode (PHY_DUPLEX)
Control Register (PHY_BASIC_CONTROL_x)
10BASE-T Full Duplex
the
(PHY_AN_ADV_x)
PHY Mode (MODE[2:0])
Modes Register (PHY_SPECIAL_MODES_x)
Port x PHY Auto-Negotiation Advertisement Register
Port x PHY Special Control/Status Indication
Port x PHY Basic Control Register
AMDIX_EN Strap State Port 1
DATASHEET
auto_mdix_strap_1
Auto-Negotiation (PHY_AN)
Auto-MDIX Control (AMDIXCTRL)
to configure Port 1 Auto-MDIX
(LED_CFG).
(LED_CFG).
47
and
bits of the
bits of the
10BASE-T Half Duplex
bit of the (x=1)
bits of the
(HW_CFG).
bits of the
Port x PHY Basic
Port x PHY Special
is low and the
LED
bit of the
indicates the
Port x PHY
LED
and
enable bit
Duplex
bits of
Auto-
bit
PIN / DEFAULT
VALUE
1b
00b
AMDIX1_LED0P
0b
1b
Revision 1.4 (07-07-10)
Note 4.1