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KSZ8061MNX Evaluation Board User’s Guide

DS50002449A-page 16

 2016 Microchip Technology Inc.

2.3

CONFIGURATION INSTRUCTIONS

These instructions detail how to change between configurations. 

Figure 2-4

 and 

Figure 2-5

 show the location of the components referenced in the instructions.

1.

Two-PHY MII Back-to-Back Configuration. This is the default configuration, so 
these steps are only necessary if switching the board back from another 
configuration.

a) Place the KSZ8061 in MII Back-to-Back mode: install R40 and R41. Remove 

R39.

b) Connect the MII interfaces of the KSZ8061 and KSZ8081: install R212-R216 

and R222-226. Note that the MII clocks should not be connected between 
the two devices, so do not install R211 and R221.

c)

Both PHYs must be clocked from U3. Do not use crystal Y1, by removing 
either Y1 or R91 and R92.

d) Remove R1-R6.

e) Power the KSZ8081: install jumper JP1.

f)

Optionally, for optimal signal integrity, remove R11-R16 and R21-R26. 

2.

MII Loopback Configuration

a) Place the KSZ8061 in MII Back-to-Back mode: install R40 and R41. Remove 

R39.

b) Install R1-R6.

c)

Remove the KSZ8081 from the MII bus. There are three possible ways to do 
this:

- Remove jumper JP1 to remove power from the KSZ8081.

- Remove R211-R216 and R221-R226.

- Put the KSZ8081 in Isolate mode: install R70.

d) The KSZ061 may be clocked by either the external clock (U3) or the crystal 

(Y1). When changing between clock sources, the KSZ8061 does not require 
any setting changes.

e) Optionally, for optimal signal integrity, remove R11-R16 and R21-R26. 

3.

MII Connector Configuration

a) Place the KSZ8061 in Normal mode: remove R39 and R41. Install R40 if 

Auto-MDI/MDI-X is desired. Otherwise, remove R40.

b) Install R11-R16 and R21-R26.

c)

Remove R1-R6.

d) Remove the KSZ8081 from the MII bus. There are three possible ways to do 

this:

- Remove jumper JP1 to remove power from the KSZ8081.

- Remove R211-R216 and R221-R226

- Put the KSZ8081 in Isolate mode: install R70.

e) The KSZ061 may be clocked by either the external clock (U3) or the crystal 

(Y1). When changing between clock sources, the KSZ8061 does not require 
any setting changes.

f)

Connect the KSZ8061 evaluation board to a compatible connector on a 
Microchip switch evaluation board, and ensure that the port on the switch 
board is configured for MAC interface.

Содержание KSZ8061MNX

Страница 1: ... 2016 Microchip Technology Inc DS50002449A KSZ8061MNX Evaluation Board User s Guide ...

Страница 2: ...to break Microchip s code protection feature may be a violation of the Digital Millennium Copyright Act If such acts allow unauthorized access to your software or other copyrighted work you may have a right to sue for relief under that Act Microchip received ISO TS 16949 2009 certification for its worldwide headquarters design and wafer fabrication facilities in Chandler and Tempe Arizona Gresham ...

Страница 3: ... 2016 Microchip Technology Inc DS50002449A page 3 Object of Declaration KSZ8061MNX Evaluation Board ...

Страница 4: ...DS50002449A page 4 2016 Microchip Technology Inc NOTES ...

Страница 5: ... 2 Configuration 2 1 Introduction 13 2 2 Configuration Options 13 2 3 Configuration Instructions 16 2 4 Power 18 2 5 Clocking 18 2 6 Line Interface Connector Options 19 2 7 MII Connector 20 2 8 MII Management Interface MDIO MDC 20 2 9 10 Pin Header J7 20 2 10 Status Indicator LEDs 20 2 11 Reset Buttons 21 2 12 Jumpers 21 2 13 KSZ8061MNX Strapping Options 22 2 14 MDIO MDC Software Utility and FTDI ...

Страница 6: ...KSZ8061MNX Evaluation Board User s Guide DS50002449A page 6 2016 Microchip Technology Inc NOTES ...

Страница 7: ... on how to begin using the board Appendix A Schematic and Layouts Refer to this appendix for board schematics Appendix B Bill of Materials BOM Refer to this appendix to view the bill of materials NOTICE TO CUSTOMERS All documentation becomes dated and this manual is no exception Microchip tools and documentation are constantly evolving to meet customer needs so some actual dialogs and or tool desc...

Страница 8: ...Bold characters A dialog button Click OK A tab Click the Power tab N Rnnnn A number in verilog format where N is the total number of digits R is the radix and n is a digit 4 b0010 2 hF1 Text in angle brackets A key on the keyboard Press Enter F1 Courier New font Plain Courier New Sample source code define START Filenames autoexec bat File paths c mcc18 h Keywords _asm _endasm static Command line o...

Страница 9: ...ware General Technical Support Frequently Asked Questions FAQs technical support requests online discussion groups Microchip consultant program member listing Business of Microchip Product selector and ordering guides latest Microchip press releases listing of seminars and events listings of Microchip sales offices distributors and factory representatives CUSTOMER SUPPORT Users of Microchip produc...

Страница 10: ...KSZ8061MNX Evaluation Board User s Guide DS50002449A page 10 2016 Microchip Technology Inc NOTES ...

Страница 11: ...imple full duplex traffic through the KSZ8061 This board is not intended for evaluation of the KSZ8081 A block diagram of the board is shown in Figure 1 1 Figure 1 2 highlights the board components FIGURE 1 1 KSZ8061MNX EVALUATION BOARD BLOCK DIAGRAM KSZ8061 Second PHY KSZ8081 RJ 45 Line Connector 3 options MII Connector 10 Pin Management Header J7 R1 6 R21 26 R11 16 R221 226 R211 216 DC Power Con...

Страница 12: ...KSZ8061MNX Evaluation Board User s Guide DS50002449A page 12 2016 Microchip Technology Inc FIGURE 1 2 KSZ8061MNX EVALUATION BOARD COMPONENTS ...

Страница 13: ...wo PHY MII Back to Back The evaluation board has two PHYs a KSZ8061 U1 and a KSZ8081 U2 The KSZ8081 is an ordinary 10 100 Ethernet PHY and is on this board to support the KSZ8061 Their MII buses can be connected together which allows Ethernet frames to be passed between the KSZ8061 line interface J1 J2 or J3 and the KSZ8081 line interface J6 Unless otherwise indicated this is the default board con...

Страница 14: ...KSZ8061MNX Evaluation Board User s Guide DS50002449A page 14 2016 Microchip Technology Inc FIGURE 2 1 KSZ8061MNX EVALUATION BOARD IN TWO PHY MII BACK TO BACK MODE ...

Страница 15: ... Microchip Technology Inc DS50002449A page 15 FIGURE 2 2 KSZ8061MNX EVALUATION BOARD IN MII LOOPBACK MODE WITH USB TO MDIO MDC CABLE ON J7 FIGURE 2 3 KSZ8061MNX EVALUATION BOARD IN MII CONNECTOR MODE WITH ETHERNET SWITCH ...

Страница 16: ...0 and R41 Remove R39 b Install R1 R6 c Remove the KSZ8081 from the MII bus There are three possible ways to do this Remove jumper JP1 to remove power from the KSZ8081 Remove R211 R216 and R221 R226 Put the KSZ8081 in Isolate mode install R70 d The KSZ061 may be clocked by either the external clock U3 or the crystal Y1 When changing between clock sources the KSZ8061 does not require any setting cha...

Страница 17: ...Configuration 2016 Microchip Technology Inc DS50002449A page 17 FIGURE 2 4 TOP SIDE COMPONENTS FOR CONFIGURTION CHANGES FIGURE 2 5 BOTTOM SIDE COMPONENTS FOR CONFIGURATION CHANGES ...

Страница 18: ...ce clock There are two options for supplying this clock crystal or external clock If the second PHY KSZ8081 U2 is used then the two PHYs must be synchronized and the only clocking option is to clock both PHYs from the same external clock source 1 External clock default configuration The external clock source is a Microchip PL135 27 U3 which drives the same 25 MHz clock to both PHYs When using this...

Страница 19: ... Sumitomo TS series 16 pin part number 6098 6793 Mating receptacle is 6098 4008 Table 2 1 lists the signal connections for each connector Also refer to the schematic or PCB layout file since connector pin numbering may not be standardized CAUTION The silkscreen labels on the bottom of the board for R62 R91 and R92 are incorrect The middle resistor is R62 R91 is closer to C9 and R92 is closer to C1...

Страница 20: ...ccessible at the 10 pin header J7 requiring the installation of resistors R27 and R28 These resistor options are provided for signal integrity optimization If signal integrity on this interface is not a problem then it is acceptable to leave all four resistors installed The default MII management addresses a k a PHY addresses are b 001 for the KSZ8061 and b 011 for the KSZ8081 2 9 10 PIN HEADER J7...

Страница 21: ...8 D4 KSZ8061 RXER RX error latch LED red RXER is an MII output signal from the KSZ8061 If RXER ever goes high that state is captured and held by latch U7 This latch is reset by the press button S3 D7 KSZ8081 link status LEDs green These are standard link activity and speed status LEDs There are no equivalent link status LEDs for the KSZ8061 FIGURE 2 8 LOCATION OF LEDS AND RESET BUTTONS 2 11 RESET ...

Страница 22: ...eature can be used to achieve ultra low power standby power JP3 3 pin Selects the power source for the board Normally install a jumper on pins 2 3 for power from connector J8 To power the board from header J7 instead install the jumper on pins 1 2 JP4 Install to enable the KSZ8061 U1 voltage regulator Remove to disconnect power from the KSZ8061 FIGURE 2 9 LOCATION OF JUMPERS 2 13 KSZ8061MNX STRAPP...

Страница 23: ...MDC the ethutil exe utility will automatically configure itself for the highest address PHY which by default is the KSZ8081 at address 3 Use the address command as shown in Figure 2 10 to switch to the KSZ8061 PHY FIGURE 2 10 ETHUTIL EXE UTILITY OPENING SCREEN AND ADDRESS COMMAND If the KSZ8081 is removed disabled or if power is disconnected then the utility will automatically configure itself for...

Страница 24: ...ry text files and run using the run command This is a simple form of scripting It is suggested to have an address 1 command as the first line in all script files to ensure that the commands to go the KSZ8061 rather than the KSZ8081 Example 2 1 is an example of a file named script txt Figure 2 12 shows how this script file is run EXAMPLE 2 1 SCRIPT TXT FIGURE 2 12 RUNNING A SCRIPT address 1 r 0 r 1...

Страница 25: ...ppendix A Schematic and Layouts A 1 INTRODUCTION This appendix contains the following schematics and layouts for the MCP9600 Thermocouple IC Evaluation Board Figure A 1 Board Schematic 1 of 4 Figure A 2 Board Schematic 2 of 4 Figure A 3 Board Schematic 3 of 4 Figure A 4 Board Schematic 4 of 4 ...

Страница 26: ...s J4 J5 KSZ8061 MII loopback R1 R6 Remove Remove Install R11 R26 Optional Install Remove R211 R226 Install Optional Remove 110 MII Back to Back Auto MDI MDI X enabled Configuration options for KSZ8061MNX Y1 25MHz Y1 25MHz C31 0 1uF C31 0 1uF R33 33 R33 33 D8 BAV16W 7 SOD 123 D8 BAV16W 7 SOD 123 2 1 R212 0 R212 0 R77 10K R77 10K C10 15pF C10 15pF R213 0 R213 0 R22 0 R22 0 R76 33 R76 33 R53 opt R53 ...

Страница 27: ...trace stubs R58 and R96 Place one near J1 J2 J3 Place the other nearer L1 These components are optional They are suggested only for applications requiring maximum noise immunity J2 MQS 4 Pos TE 1379165 1 J2 MQS 4 Pos TE 1379165 1 1 2 3 4 C92 opt C92 opt R96 opt R96 opt R59 0 R59 0 C16 1uF C16 1uF R52 75 R52 75 T1 TDK TLA 8T104WLF T1 TDK TLA 8T104WLF 1 2 3 6 8 7 16 15 14 11 10 9 R50 75 R50 75 C93 o...

Страница 28: ...normal mode LEDs Place R97 nearer to power connector J8 FB5 should also be placed nearer to J8 than to J6 PHYAD1 PHYAD2 GND Place this GND test point on bottom side Center and connect to Paddle Ground of U2 R69 4 7K R69 4 7K R67 33 R67 33 R72 Opt 1K R72 Opt 1K C63 1uF C63 1uF C71 2 2uF C71 2 2uF R93 Opt 4 7K R93 Opt 4 7K R57 75 R57 75 R79 220 R79 220 S2 SW PUSHBUTTON S2 SW PUSHBUTTON 1 2 3 4 C69 1...

Страница 29: ...BEAD FB4 FBEAD 1 2 C1 220uF 50V Elect C1 220uF 50V Elect JP4 JUMPER JP4 JUMPER R115 1 50K R115 1 50K FB3 FBEAD FB3 FBEAD 1 2 C6 1uF C6 1uF U6 MIC5305_adj MQF U6 MIC5305_adj MQF EN 1 GND 2 VIN 3 VOUT 4 ADJ 5 BYP 6 C28 10uF Tant C28 10uF Tant JP1 JUMPER JP1 JUMPER C25 10uF C25 10uF JP2 JUMPER JP2 JUMPER J8 PWRJACK TH J8 PWRJACK TH 1 3 2 R114 2 49K R114 2 49K FB1 FBEAD FB1 FBEAD 1 2 R94 opt R94 opt C...

Страница 30: ...KSZ8061MNX Evaluation Board User s Guide DS50002449A page 30 2016 Microchip Technology Inc NOTES ...

Страница 31: ...05 TDK C2012X5R1A106K125AB 10 5 C13 C14 C15 C19 C28 10 uF Tant 1210 3528 metric 11 2 C84 C85 22 uF Tant 1210 3528 metric AVX TAJB226K016RNJ 12 1 C1 220 uF 50V Elect Al Electrolytic Panasonic ECA 1HM221 13 DNI 8 R32 R34 R53 C90 C91 C92 C93 C94 opt 0603 14 3 D1 D5 D6 D8 D9 Diode SOD 123 Diodes Inc BAV16W 7 Diodes Inc 1N4148W 7 Micro Commercial 1N4148W TP 15 DNI 2 D8 D9 Diode SOD 123 Diodes Inc BAV16...

Страница 32: ...DS 40MM 3 C2 30 1 J7 Header 5x2 HDR 5x2 standard 25mil header pins 100mil pitch FCI 67997 410HLF 31 1 J8 DC power connector barrel 2 1 mm Thru hole CUI PJ 002A Switchcraft RAPC722X 32 DNI 1 J9 Terminal block 2 term Thru hole Phoenix 1984617 33 1 L1 TDK ZJYS81 ZJYS81 TDK ZJYS81R5 34 2 L2 L3 Common mode choke for signals 4532 metric 4ld TDK ACT45B 101 2P 35 DNI 9 R1 R2 R3 R4 R5 R6 R60 R91 R92 Opt 0 ...

Страница 33: ...P6 TP7 TestPoint 60 mil hole at U1 and U2 center ground pads 60 2 T1 T2 TDK TLA 8T104WLF SOIC16 TDK TLA 8T104WLF Pulse H1102NL 61 1 U1 KSZ8061MNX 32 QFN Microchip KSZ8061MNX 62 1 U2 KSZ8061MNX 32 QFN Microchip KSZ8061MNX 63 1 U3 Microchip PL135 27 oscillator 1 2 fanout buffer DFN 6L Microchip PL135 27 64 2 U4 U5 MIC29302WU adj 3A LDO TO 263 5 Microchip MIC29302WU 65 1 U6 MIC5305YML adj 150 mA LDO ...

Страница 34: ...l 86 24 2334 2829 Fax 86 24 2334 2393 China Shenzhen Tel 86 755 8864 2200 Fax 86 755 8203 1760 China Wuhan Tel 86 27 5980 5300 Fax 86 27 5980 5118 China Xian Tel 86 29 8833 7252 Fax 86 29 8833 7256 ASIA PACIFIC China Xiamen Tel 86 592 2388138 Fax 86 592 2388130 China Zhuhai Tel 86 756 3210040 Fax 86 756 3210049 India Bangalore Tel 91 80 3090 4444 Fax 91 80 3090 4123 India New Delhi Tel 91 11 4160 ...

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