EVB9303M SMSC, EVB9303M Datasheet - Page 5

• Manufacturer Part Number: EVB9303M
• Description: Networking Modules & Development Tools LAN9303M 3-Port EVB 10/100 Dual MAC PHY
• Manufacturer: SMSC

Specifications of EVB9303M

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LAN9303M Evaluation Board User Manual
SMSC LAN9303M
2.1.2.1
JUMPER PAIR
JP7, JP13
JP8, JP14
JP9, JP15
The following subsections detail the jumper pair settings, their associated strap settings, and the
functional effects of setting the straps. All strap values are read during power-up and on the rising edge
of the nRST signal. Once the strap value is set, the LAN9303M will drive the LEDs high or low for
illumination according the strap value. For other designs which may use these pins as GPIOs or
interrupts, refer to the LAN9303M datasheet for additional information. In those cases, internal default
straps must be changed by an I
Auto-MDIX / EEPROM Jumpers
Note 2.1
Note 2.2
JP11 & JP17
JP12 & JP18
Port 1 Auto-MDIX
enable/disable
Port 2 Auto-MDIX
enable/disable
EEPROM size jumper
(Note
1/16W
Paired jumpers MUST be set identically.
The EVB9303M uses an 8Kx8 EEPROM. Therefore, this jumper MUST be set to 1-2.
10.0K
1%
R2
2.1,
DESCRIPTION
Note
Table 2.2 Jumpers - Auto-MDIX / EEPROM
(Note
(Note
2.2)
+3.3V
Strap Pullup
R1
332
1/10W
1%
Figure 2.2 LED Strap Circuit
LED1
2.1)
2.1)
2
USER MANUAL
C or SMI master or through EEPROM fields.
5
1/16W
10.0K
1%
R3
2
2
2
1---2
1---2
1---2
3
3
3
Enable Auto-MDIX on Port 1
Disable Auto-MDIX on Port 1
Enable Auto-MDIX on Port 2
Disable Auto-MDIX on Port 2
Enable 4Kx8 and larger I
Enable 2Kx8 and smaller I
Strap Pulldown
R4
332
1/16W
1%
LED2
SETTINGS
Revision 1.0 (05-28-09)
2
C EEPROMs
2
C EEPROMs