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MCP43XXEV Evaluation Board User’s Guide

DS51892A-page 6

2010 Microchip Technology Inc.

CONVENTIONS USED IN THIS GUIDE

This manual uses the following documentation conventions:

DOCUMENTATION CONVENTIONS

Description

Represents

Examples

Arial font:

Italic characters

Referenced books

MPLAB

IDE User’s Guide

Emphasized text

...is the

only

compiler...

Initial caps

A window

the Output window

A dialog

the Settings dialog

A menu selection

select Enable Programmer

Quotes

A field name in a window or
dialog

“Save project before build”

Underlined, italic text with
right angle bracket

A menu path

File>Save

Bold characters

A dialog button

Click

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>

Содержание MCP43XXEV

Страница 1: ...2010 Microchip Technology Inc DS51892A MCP43XXEV Evaluation Board User s Guide...

Страница 2: ...Technology Incorporated in the U S A All other trademarks mentioned herein are property of their respective companies 2010 Microchip Technology Incorporated Printed in the U S A All Rights Reserved Pr...

Страница 3: ...12 2 3 Getting Started 13 2 4 MCP43XXEV Evaluation Board Description 13 2 5 Configuring The PICkit Serial Analyzer 19 2 6 MCP4361 Demo Steps 28 Appendix A Schematic and Layouts A 1 Introduction 33 A 2...

Страница 4: ...MCP43XXEV Evaluation Board User s Guide DS51892A page 4 2010 Microchip Technology Inc NOTES...

Страница 5: ...Schematic and Layouts Shows the schematic and layout diagrams for the MCP43XXEV Evaluation Board Appendix B Bill of Materials BOM Lists the parts used to build the MCP43XXEV Evaluation Board NOTICE T...

Страница 6: ...is the only compiler Initial caps A window the Output window A dialog the Settings dialog A menu selection select Enable Programmer Quotes A field name in a window or dialog Save project before build...

Страница 7: ...atest software releases and archived software General Technical Support Frequently Asked Questions FAQs technical support requests online discussion groups Microchip consultant program member listing...

Страница 8: ...MCP43XXEV Evaluation Board User s Guide DS51892A page 8 2010 Microchip Technology Inc DOCUMENT REVISION HISTORY Revision A July 2010 Initial Release of this Document...

Страница 9: ...chip Technology s MCP4361 Digital Potentiometer device This device is similar to the following devices MCP4331 MCP4332 MCP4341 MCP4342 MCP4351 MCP4352 MCP4362 MCP4231 MCP4232 MCP4241 MCP4242 MCP4251 M...

Страница 10: ...nd SSOP 20 Evaluation Board blank PCB 102 00272 Extra blank PCBs can be ordered order TSSOP20EV Important Information Sheet 0 0 0 0 0 0 10 k 10 k MCP4361 Four Blue Wire PICkit Serial 1x6 Male Header T...

Страница 11: ...with a 0 resistor Resistor networks 1 and 3 can be evaluated for rheostat operation The MCP43XXEV Evaluation Board uses the generic TSSOP20EV Evaluation Board PCB The kit includes a second PCB which i...

Страница 12: ...l passive components SMT 805 footprint for Power supply filtering C1 and C2 footprints Device bypass capacitor RxD footprint for device pin connected to VDD Silk screen area to write specifics of impl...

Страница 13: ...vice RAB TYP 10 k using the PICkit Serial Analyzer or by jumpering the board into their application system The PICkit Serial Analyzer is available separately order number DV164122 2 4 1 The Hardware F...

Страница 14: ...res blue PICkit Serial ICSP Interface wire jumpering to connect the PICkit Interface to the selected device P20 P19 P12 P11 P1 P2 P9 P10 P1 R1U R1D P2 R2U R2D P19 R19U R19D P20 R20U R20D NC VDD VSS SD...

Страница 15: ...k 10 k MCP4361 Four Blue Wire Jumpers to connect PICkit Serial interface SPI to device pins 1x6 Male Header with 90 right angle Through hole Test Point Orange MCP4361 103E ST installed in U3 TSSOP 20...

Страница 16: ...P9 P12 P19 Test Point through hole connector Orange J1 1x6 Male Header 100 mil spacing 90 angle PICkit Serial ICSP header Blue Wire J1 CS NC via to P4 via J1 SDI SDA via to P16 via J1 SCK SCL via to P...

Страница 17: ...onnection points Y1 Can connect to either PIC main oscillator or to the Timer oscillator circuit P1 P3 P4 P5 P6 P8 P10 P11 P13 P14 P15 P16 P17 P18 P20 Test Point connectors Note 1 Whichever pin is the...

Страница 18: ...per 3 RAM Read Write Increment Decrement 08h Non Volatile Wiper 2 EEPROM Read Write 1 Increment Decrement 09h Non Volatile Wiper 3 EEPROM Read Write 1 Increment Decrement 0Ah Volatile TCON1 Register R...

Страница 19: ...the PDF file Please copy from the MCP43XX Com mScript txt file available from the Microchip web site WriteWiper0 SPI SPICSON SPIDATOUT 0x02 0x00 0x3F SPICSOFF ReadWiper0 SPI SPICSON SPIDATIO 0x02 0x0C...

Страница 20: ...gram has started The Transaction window indicates if the PICkit Serial GUI located the PICkit Serial Analyzer Hardware When starting the PICkit Serial Analyzer for the first time some setup questions...

Страница 21: ...select the PICkit Serial Analyzer GUI to be in SPI Master mode Figure 2 5 shows how to select the proper mode Select PICkit Serial Analyzer Select Communications Mode SPI Master menu item make sure t...

Страница 22: ...Technology Inc Now we need to configure the mode that we selected Figure 2 6 shows how to configure the communications mode Select PICkit Serial Analyzer Configure Communications Mode menu item This...

Страница 23: ...7 shows the Configure Communications Mode window Ensure that your window options and settings are the same as this window and then select the Save Changes button The Configure Communications Mode wind...

Страница 24: ...Guide DS51892A page 24 2010 Microchip Technology Inc Now we are going to open the Script Builder window select the Communications Script Script Builder menu item see Figure 2 8 FIGURE 2 8 PICkit Seri...

Страница 25: ...hip Technology Inc DS51892A page 25 The Script Builder window is shown in Figure 2 9 In this window we see the User SPI Scripts including the ones that were added to the CommScripts txt file FIGURE 2...

Страница 26: ...The first value 02h is the number of bytes that will be written The second byte is a data byte and contains the Device Register Address the Device Command and the two Most Significant bits MSb of the...

Страница 27: ...byte and contains the Device Register Address the Device Command and the two Most Significant bits MSb of the read data The third byte is the second data byte and contains the remaining 8 bits of the...

Страница 28: ...s executes the script shown in the script detail column The Transaction window see Figure 2 14 will be updated to indicate the execution of the script The Data read is shown in the last line 13 Double...

Страница 29: ...and then click on the Execute Script button 30 Select the ReadWiper0 script in the User SPI Scripts column and then click on the Execute Script button 31 Select the INCRWiper0 script in the User SPI...

Страница 30: ...on Window Wiper 0 Writes and Reads Number of Bytes that will be written Data Byte 2 Write Data D7 D0 Data Byte 1 Device Register Address Command Data bit D8 9 bit data value 03Fh 9 bit data value 03Fh...

Страница 31: ...361 Transaction Window TCON1 Writes and Reads FIGURE 2 16 MCP4361 Transaction Window Wiper 0 Decrements Data value read from TCON1 register Data value written to TCON1 register Data value 03Ch read fr...

Страница 32: ...2 4 TSSOP20EV PCB SUPPORTED DIGITAL POTENTIOMETERS Device TSSOP 20 TSSOP 14 Comment MCP4231 Yes Dual Pot SPI Interface MCP4241 Yes Dual Pot SPI Interface MCP4251 Yes Dual Pot SPI Interface MCP4261 Ye...

Страница 33: ...ams included in this appendix Board Schematic Board Top Trace Silk and Pads Board Bottom Trace and Pads Board Layer 2 Ground Plane Board Layer 3 Power Plane Board Layout Top Components Board Bottom Si...

Страница 34: ...MCP43XXEV Evaluation Board User s Guide DS51892A page 34 2010 Microchip Technology Inc A 3 BOARD SCHEMATIC M...

Страница 35: ...Schematic and Layouts 2010 Microchip Technology Inc DS51892A page 35 A 4 BOARD TOP TRACE SILK AND PADS...

Страница 36: ...MCP43XXEV Evaluation Board User s Guide DS51892A page 36 2010 Microchip Technology Inc A 5 BOARD BOTTOM TRACE AND PADS...

Страница 37: ...Schematic and Layouts 2010 Microchip Technology Inc DS51892A page 37 A 6 BOARD LAYER 2 GROUND PLANE...

Страница 38: ...MCP43XXEV Evaluation Board User s Guide DS51892A page 38 2010 Microchip Technology Inc A 7 BOARD LAYER 3 POWER PLANE...

Страница 39: ...Schematic and Layouts 2010 Microchip Technology Inc DS51892A page 39 A 8 BOARD LAYOUT TOP COMPONENTS...

Страница 40: ...MCP43XXEV Evaluation Board User s Guide DS51892A page 40 2010 Microchip Technology Inc A 9 BOARD BOTTOM SILK TRACE AND PADS...

Страница 41: ...14U R15U RES 10 0K OHM 1 8W 1 0805 SMD Panasonic ECG ERJ 6ENF1002V 1 U3 MCP4361 Quad SPI Digi Pot 10K Ohm version Microchip Technology Inc MCP4361 103E ST 4 P2 P9 P12 P19 TEST POINT PC MULTI PURPOSE O...

Страница 42: ...86 21 5407 5066 China Shenyang Tel 86 24 2334 2829 Fax 86 24 2334 2393 China Shenzhen Tel 86 755 8203 2660 Fax 86 755 8203 1760 China Wuhan Tel 86 27 5980 5300 Fax 86 27 5980 5118 China Xian Tel 86 29...

Страница 43: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Microchip MCP43XXEV...

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