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LAN9303 Evaluation Board User Manual

Revision 1.0 (05-28-09)

USER MANUAL

SMSC LAN9303

8

 

2.4

  System Connections

2.5

  Switches

This section details the various EVB9303 power, mode, and reset switches.

2.5.1

Power

Note:

The EVB9303 includes a 2A fuse (F1) to protect from overcurrrent conditions. If this fuse
becomes damaged, it can be replaced with a 2A Littlefuse-154002.

Table 2.9  System Connections

PLUG/HEADER

DESCRIPTION

PART

J1

2-pin populated GND header

2-pin (1x2) header

J2

2-pin populated GND header

2-pin (1x2) header

J4

MII female connector for external PHY

AMP/Tyco 749069-4

J5

I

2

C host adapter interface connector

Adam Tech BHR-10-V-U-A

P1

+5V DC power connector

Barrel plug, 2.0mm, center positive

P2

MII male connector for external MAC

AMP/Tyco 174218-2

Table 2.10  Power Switch

SWITCH

DESCRIPTION

FUNCTION

S1

SPDT tiny toggle power switch

Co5V brick power to board

Содержание LAN9303

Страница 1: ...n request SMSC products are not designed intended authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe...

Страница 2: ...following An external MII RMII Turbo MII capable MAC with LAN9303 in PHY mode via the onboard 40 pin male MII connector An external MII Turbo MII capable PHY with LAN9303 in MAC mode via the onboard...

Страница 3: ...is RoHS compliant However support components on the EVB9303 board are not necessarily RoHS compliant Table 1 1 References DOCUMENT LOCATION SMSC LAN9303 Datasheet http www smsc com main datasheet html...

Страница 4: ...ns with the LED1 circuit as a pull up and the LED2 circuit as a pull down To illuminate LED1 the LAN9303 will drive the cathode of the LED1 low To illuminated LED2 the LAN9303 will drive the anode of...

Страница 5: ...ult straps must be changed by an I2 C or SMI master or through EEPROM fields 2 1 2 1 Auto MDIX EEPROM Jumpers Note 2 1 Paired jumpers MUST be set identically Note 2 2 The EVB9303 uses an 8Kx8 EEPROM T...

Страница 6: ...DESCRIPTION SETTINGS JP10 JP16 Serial management MNGT0 jumper Note 2 3 Note 2 4 1 2 Set MNGT0 to 1 2 3 Set MNGT0 to 0 JP11 JP17 Serial management MNGT1 jumper Note 2 3 Note 2 4 1 2 Set MNGT1 to 1 2 3...

Страница 7: ...x Collision Port 2 T1 Green Link Activity Port 1 Yellow Speed Port 1 T2 Green Link Activity Port 2 Yellow Speed Port 2 Table 2 8 Test Points TEST POINT DESCRIPTION CONNECTION TP1 Single pin unpopulate...

Страница 8: ...th a 2A Littlefuse 154002 Table 2 9 System Connections PLUG HEADER DESCRIPTION PART J1 2 pin populated GND header 2 pin 1x2 header J2 2 pin populated GND header 2 pin 1x2 header J4 MII female connecto...

Страница 9: ...n Otherwise the signal is pulled up internally Note 2 8 Note 2 9 S2 4 8 position DIP switch position 4 Sets P0_MODE3 low when closed on Otherwise the signal is pulled up internally This switch selects...

Страница 10: ...3 Reset 2 6 Mechanicals Figure 2 3 details the EVB9303 mechanical dimensions Table 2 13 Reset Switch SWITCH DESCRIPTION FUNCTION S3 SW pushbutton Reset Generates nRST Figure 2 3 EVB9303 Mechanicals 4...

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