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KS8721BL/SL Demo Board User Guide  

Single 3.3V supply 10/100BaseTX/FX MII Physical Layer Transceiver 

 

Preliminary - Rev 1.0  June’ 2004  
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

MICREL, Inc.  1849 Fortune Drive, San Jose, CA 95131 USA 

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 1 (408) 944-0800   FAX 1 (408) 955-1577    

WEB

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The information furnished by Micrel in this datasheet is believed to be accurate and reliable.  However, no responsibility is assumed by Micrel for its use.  Micrel 
reserves the right to change circuitry and specifications at any time without notification to the customer. Micrel Products are not designed or authorized for use as 
components in life support appliances, devices or systems where malfunction of a product can reasonably be expected to result in personal injury. Life support devices 
or systems are devices or systems that (a) are intended for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably 
expected to result in a significant injury to the user.  A Purchaser's use or sale of Micrel Products for use in life support appliances, devices or systems is at P
own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale. 

urchaser's 

 

                                                                                          

©

 2003 Micrel Incorporated  

 

Содержание KS8721BL/SL

Страница 1: ...he customer Micrel Products are not designed or authorized for use as components in life support appliances devices or systems where malfunction of a product can reasonably be expected to result in pe...

Страница 2: ...ures 3 Kit Contents 3 Reference Documents 3 Hardware Description 4 LED indicators 4 Jumper setting 4 40 Pin MII Ports 5 Bill of Material 6 Appendix 7 Revision History Revision Date Change User Guide 0...

Страница 3: ...net LAN port 1 MII media independent Interface connector for I F with MAC controller 4 LEDs to indicate the status and activities Micrel MIC5216 3 3BM5 or MIC5207 3 3BM5 Regulator to step down to 3 3V...

Страница 4: ...llowing settings during power up or RESET stage J3 J4 J5 J6 and J10 setup the PHY address at power up the default is 00001 when J3 to J6 and J10 are open J7 SHORT Enable PCS Loop back default is OPEN...

Страница 5: ...n 3 MDC 23 Common 4 RxD 3 24 Common 5 RxD 2 25 Common 6 RxD 1 26 Common 7 RxD 0 27 Common 8 Rx_DV 28 Common 9 Rx_Clk 29 Common 10 Rx_Er 30 Common 11 Tx_Er 31 Common 12 Tx_Clk 32 Common 13 Tx_En 33 Com...

Страница 6: ...Cap 22PF 2 C11 C12 Dig Key or equiv Cap 1000Pf 2KV 1 C20 Dig Key or equiv Cap 0 01UF 1 C24 Dig Key or equiv Diode 1N4148 1 D1 Dig Key or equiv FBEAD 2 FB1 FB2 Steward HI1206N101R 00 HEADER 1x1 1 TP1 D...

Страница 7: ...uiv Resistor 1K 3 R21 R22 R23 Dig Key or equiv Resistor 220 4 R27 R28 R29 R31 Dig Key or equiv Resistor 4 7K 7 R40 R41 R42 R43 R44 R47 R50 Dig Key or equiv Transformer 1 T1 Pulse H1102 Appendix KS8721...

Страница 8: ...LEASE July 08 03 Micrel Ethernet KS8721BL SL Demo Board Schematics Sept 23 03 Change the part number to KS8721BL SL 1 1 1849 Fortune Dr San Jose CA 95131 http www micrel com Change description on MIC5...

Страница 9: ...C VCC R7 49 9 1 C6 100uf C13 0 1uf C8 0 1uf C14 0 1uf J13 JUMPER R2 100K R21 1K U2 KS8721 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40...

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