EVB-LAN9730-MII Evaluation Board User Manual
Revision 1.0 (10-14-11)
6
SMSC LAN9730
USER MANUAL
Note 2.1
The EVB-LAN9730-MII is configured to utilize the LAN9730’s +1.2 V internal regulator by
default (JP2 depopulated and JP9 populated in the 1-2 position). To utilize an external
+1.2 V power source, JP2 must be populated and JP9 must be populated in the 2-3
position. Incorrect JP2 and JP9 jumper settings may disable the board.
Note 2.2
Refer to
for descriptions of the various LED functions.
JP9
+1.2 V Internal Regulator
Select (
)
1---2
+1.2 V power supplied by the LAN9730’s
internal regulator
2 3
+1.2 V power supplied by an external
+1.2 V power source
JP10
HSIC Driver Output
Impedance Select
1---2
Selects 50 Ohm output impedance on
HSIC_DATA and HSIC_STROBE
2 3
Selects 40 Ohm output impedance on
HSIC_DATA and HSIC_STROBE
JP11
EEPROM Select
1 2
Disables EEPROM usage
2---3
Enables EEPROM usage
JP12
Self/Bus Power Select
1---2
Self-powered device
2 3
Bus-powered device
JP13
Remote Wakeup Select
1 2
Remote wakeup is supported
2---3
Remote wakeup is not supported
JP14
Port Swap Select
1 2
HSIC_DATA and HSIC_STROBE pin
functionality is swapped
2---3
HSIC_DATA and HSIC_STROBE pin
functionality is not swapped
JP15
Auto-MDIX Select
1---2
Auto-MDIX is enabled
2 3
Auto-MDIX is disabled
Table 2.1 Jumpers (continued)
JUMPER
DESCRIPTION
SETTINGS
