MCP46XXEV Microchip Technology, MCP46XXEV Datasheet
MCP46XXEV
Specifications of MCP46XXEV
Related parts for MCP46XXEV
MCP46XXEV Summary of contents
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... Microchip Technology Inc. MCP46XXEV Evaluation Board User’s Guide DS51929A ...
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... PICtail, REAL ICE, rfLAB, Select Mode, Total Endurance, TSHARC, UniWinDriver, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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... Preface ........................................................................................................................... 1 Chapter 1. Product Overview 1.1 Introduction ..................................................................................................... 5 1.2 What is the MCP46XXEV Evaluation Board? ................................................ 5 1.3 What the MCP46XXEV Evaluation Board Kit Includes .................................. 6 Chapter 2. Installation and Operation 2.1 Introduction ..................................................................................................... 7 2.2 Features ......................................................................................................... 8 2.3 Getting Started ............................................................................................... 9 2.4 MCP46XXEV Evaluation Board Description .................................................. 9 2.5 Configuring The PICkit™ Serial Analyzer .................................................... 16 2 ...
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... MCP46XXEV Evaluation Board User’s Guide NOTES: DS51929A-page 4 © 2010 Microchip Technology Inc. ...
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... Customer Support • Document Revision History DOCUMENT LAYOUT This document describes how to use the MCP46XXEV Evaluation Board as a development tool to emulate and debug firmware on a target board. The manual layout is as follows: • Chapter 1. “Product Overview” – Important information about the MCP46XXEV Evaluation Board. • ...
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... MCP46XXEV Evaluation Board User’s Guide CONVENTIONS USED IN THIS GUIDE This manual uses the following documentation conventions: DOCUMENTATION CONVENTIONS Description Arial font: Italic characters Initial caps Quotes Underlined, italic text with right angle bracket Bold characters N‘Rnnnn Text in angle brackets < > ...
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... RECOMMENDED READING This user’s guide describes how to use the MCP46XXEV Evaluation Board. Other useful documents are listed below. The following Microchip documents are available and recommended as supplemental reference resources. AN1080 Application Note, “Understanding Digital Potentiometer Resistor Variations”, DS01080 AN1316 Application Note, “Using Digital Potentiometers for Programmable Amplifier Gain” ...
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... MCP46XXEV Evaluation Board User’s Guide DOCUMENT REVISION HISTORY Revision A (March 2010) • Initial Release of this Document. DS51929A-page 8 © 2010 Microchip Technology Inc. ...
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... Chapter 1. Product Overview 1.1 INTRODUCTION This chapter provides an overview of the MCP46XXEV Evaluation Board and covers the following topics: • What is the MCP46XXEV Evaluation Board? • What the MCP46XXEV Evaluation Board kit includes 1.2 WHAT IS THE MCP46XXEV EVALUATION BOARD? The MCP46XXEV Evaluation Board allows the system designer to quickly evaluate the operation of Microchip Technology’ ...
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... PICkit™ Serial 2 interface ( device pins FIGURE 1-1: MCP46XXEV Evaluation Board Using the TSSOP20EV Evaluation Board (MCP4661 installed in U3). 1.3 WHAT THE MCP46XXEV EVALUATION BOARD KIT INCLUDES This MCP46XXEV Evaluation Board kit includes: • MCP46XXEV Evaluation Board • One TSSOP-20 and SSOP-20 Evaluation Board blank PCB, 102-00272. ...
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... Chapter 2. Installation and Operation 2.1 INTRODUCTION The MCP46XXEV Evaluation Board allows the system designer to quickly evaluate the operation of the MCP4661 10 kΩ (-103) digital potentiometer device using the PICkit Serial Analyzer. The PICkit Serial Analyzer is available separately (order number: DV164122). This board is a minimum configuration for the device. As well as the device, other desired passive components (resistors and capacitors) and connection posts may be installed ...
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... MCP46XXEV Evaluation Board User’s Guide 2.2 FEATURES The MCP46XXEV Evaluation Board has the following features: • MCP4661-103E/ST is installed • 0Ω resistors connect MCP4661 V ground plane (see Figure 2-2) • 0Ω resistors connect MCP4661’s Resistor Network 0 A terminal signal to power ...
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... 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 Figure 2-2 shows the component layout of the MCP46XXEV Evaluation Board. This is a small four-layer board (3.9" x 2.1" (99. 53.34 mm)). There are twenty-two connection points/pads that can use either through-hole or surface-mount connector posts. ...
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... MCP46XXEV Evaluation Board User’s Guide ™ ™ PICkit Serial / ICSP Interface SDA SDI SCL SCK NC SDO 10 Requires blue wire jumpering to connect the ™ PICkit Interface to the selected device P10 19U P19 R 19D R 20U P20 R 20D Note: The MCP46X1 device (TSSOP-14 footprint) will be bottom aligned to the TSSOP-20 footprint ...
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... Point (Orange) Wiper 1 Two Blue Wire Jumpers to connect 2 PICkit™ Serial interface ( device pins FIGURE 2-2: MCP46XXEV Evaluation Board Component Placement Using the TSSOP20EV Evaluation Board (Top). © 2010 Microchip Technology Inc. Installation and Operation Connected to Connected to Ground Plane Power Plane 0 Ω ...
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... MCP46XXEV Evaluation Board User’s Guide TABLE 2-1: INSTALLED PASSIVE COMPONENTS Component R11U, R17U 0Ω SMT 805 R14U, R15U 10 kΩ SMT 805 R7D, R13D 0Ω SMT 805 U3 MCP4661-103E/ST P9, P12 Test Point - through hole connector (Orange) J1 1x6 Male Header, 100 mil spacing 90° ...
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... All passive components use the surface mount 805 footprint the board is powered via the V capacitors on C1 and C2 may improve performance. The benefit is reduced if the board is powered via the PICkit © 2010 Microchip Technology Inc. Installation and Operation OPTIONAL PASSIVE COMPONENTS - NOT INSTALLED Component Power supply bypass capacitors ® ...
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... MCP46XXEV Evaluation Board User’s Guide 2.4.2 The MCP4661 Device To make variations to the commands sent to the MCP4661 device (from the commands shown in the demo section), one must know the device memory map (see Table 2-3) and the command formats (see Figure 2-3 through Figure 2-5). For additional device operational information, refer to the MCP4661 device data sheet (DS22107) ...
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... Note 1: Increment and Decrement Commands (INCR or DECR) only function when accessing the volatile wiper registers (AD3:AD0 = 0h and 1h). 2 FIGURE 2-5: MCP46XX I C Single Increment / Decrement Command Format. © 2010 Microchip Technology Inc. Installation and Operation Write bit Device Memory Command Address ...
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... PICkit serial’s CommScripts.txt file will cause errors due to the blank spacing used in the PDF file. Please copy from the MCP46XX CommScript.txt file available from the Microchip web site (MCP46XXEV Evaluation Board Product Page). EXAMPLE 2-1: MCP46XX SCRIPT FILE (COMMSCRIPTS.TXT) ...
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... When starting the PICkit Serial Analyzer for the first time, some setup questions may be asked. If you have any questions, please refer to the PICkit Serial Analyzer documentation, available at www.Microchip.com/PICkitSerial. FIGURE 2-6: PICkit™ Serial Main Window at Startup. © 2010 Microchip Technology Inc. Installation and Operation DS51929A-page 21 ...
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... MCP46XXEV Evaluation Board User’s Guide We need to select the PICkit Serial Analyzer GUI I2C Master mode. Figure 2-7 shows how to select the proper mode. Select PICkit Serial Analyzer -> Select Communications Mode -> I2C Master menu item (make sure the I2C Master item is checked) ...
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... Now we need to configure the mode that we selected. Figure 2-8 shows how to open the Communications Mode window. Select PICkit Serial Analyzer -> Configure Communications Mode menu item. This will open a new window: FIGURE 2-8: PICkit™ Serial - Opening the Communications Mode Window. © 2010 Microchip Technology Inc. Installation and Operation DS51929A-page 23 ...
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... MCP46XXEV Evaluation Board User’s Guide Figure 2-9 shows the Configure Communications Mode window in Basic view while Figure 2-10 shows the Configure Communications Mode window in Advanced view. Ensure that your window options and settings are the same as this window, and then select the Save Changes button ...
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... FIGURE 2-10: PICkit™ Serial Configure Communications Mode window - Advanced View. © 2010 Microchip Technology Inc. Installation and Operation DS51929A-page 25 ...
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... MCP46XXEV Evaluation Board User’s Guide Now we are going to open the Script Builder window, select the Communications -> Script -> Script Builder menu item (see Figure 2-11). FIGURE 2-11: PICkit™ Serial - Script Builder Menu Selection. DS51929A-page 26 © 2010 Microchip Technology Inc. ...
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... The Script Builder window is shown in Figure 2-12. In this window we see the User I2CM Scripts including the ones that were added to the CommScripts.txt file. FIGURE 2-12: PICkit Serial Script Builder Window. © 2010 Microchip Technology Inc. Installation and Operation DS51929A-page 27 ...
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... MCP46XXEV Evaluation Board User’s Guide Double clicking on the MCP4661W0WR User I2CM Script will load the script details. Figure 2-13 shows what the values mean in the Script Details. These values are hex numbers. The first value (03h), is the number of bytes that will be written. The second byte (5Eh) is the MCP4661 I2C Slave Address with the R/W bit indicating a write (‘ ...
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... R/W bit indicating a read (1). The last byte (02h) is the number of bytes that will be read. Data Byte #1 (Device Slave Address + R/W bit Bytes that will be written FIGURE 2-14: © 2010 Microchip Technology Inc. Installation and Operation # of Bytes that will be written Data Byte #3 (Device Slave Address + R/W bit) Example Read Script ...
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... Ensure the GUI is in Master I 6. Ensure that the Master I Figure 2-9). 7. Measure the Wiper 0 voltage on the MCP46XXEV Evaluation Board (see Figure 2-2) using an oscilloscope or digital multimeter. Measure voltage from the ground plane (GND) to the wiper (P12). The voltage on the wiper should (~2 ...
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... If at any time during script execution, an error message is generated in the transaction window good practice to reset the PICkit™ Serial Analyzer (PKSA). The PKSA can be reset using the “Reset” toolbar icon. Verify that subsequent script operations do not generate errors. © 2010 Microchip Technology Inc. Installation and Operation NOTICE DS51929A-page 31 ...
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... MCP46XXEV Evaluation Board User’s Guide Device Slave Address + R/W bit FIGURE 2-15: Device Slave Address + R/W bit FIGURE 2-16: DS51929A-page 32 Write Command to Wiper 0 Register (D8 = ‘0’) MCP46XX Write Wiper 0 Script File - Wiper Value = 0FFh. Write Command to Wiper 0 Register (D8 = ‘0’) MCP46XX Write Wiper 0 Script File - Wiper Value = 03Fh ...
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... Data value (07Fh) read from Wiper 0 register Data value (07Ch) read from Wiper 0 register after 3 Decrement Commands FIGURE 2-18: MCP4661 Transaction Window - Wiper 0 Decrements. © 2010 Microchip Technology Inc. Installation and Operation 9-bit data value (07Fh) read from Wiper 0 register Wiper 0 register ...
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... MCP46XXEV Evaluation Board User’s Guide Data value (07Fh) read from Wiper 0 register Data value (082h) read from Wiper 0 register after 3 Increment Commands FIGURE 2-19: MCP4661 Transaction Window - Wiper 0 Increments. 2.6.1 The TSSOP20EV PCB and Supported Digital Potentiometers Table 2-4 shows the current digital potentiomers that are supported by the TSSOP20EV PCB ...
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... Board Layout – Top Components • Board – Bottom Silk, Trace and Pads A.2 SCHEMATICS AND PCB LAYOUT Board – Schematic shows the schematic of the MCP46XXEV Evaluation Board. The layer order is shown in Figure A-1. FIGURE A-1: © 2010 Microchip Technology Inc. ...
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... MCP46XXEV Evaluation Board User’s Guide A.3 BOARD – SCHEMATIC DS51929A-page 36 Draft © 2010 Microchip Technology Inc. ...
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... A.4 BOARD – TOP TRACE, SILK AND PADS © 2010 Microchip Technology Inc. Schematic and Layouts Draft DS51929A-page 37 ...
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... MCP46XXEV Evaluation Board User’s Guide A.5 BOARD – BOTTOM TRACE AND PADS DS51929A-page 38 Draft © 2010 Microchip Technology Inc. ...
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... A.6 BOARD – LAYER 2 GROUND PLANE © 2010 Microchip Technology Inc. Schematic and Layouts Draft DS51929A-page 39 ...
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... MCP46XXEV Evaluation Board User’s Guide A.7 BOARD – LAYER 3 POWER PLANE DS51929A-page 40 Draft © 2010 Microchip Technology Inc. ...
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... A.8 BOARD LAYOUT – TOP COMPONENTS © 2010 Microchip Technology Inc. Schematic and Layouts Draft DS51929A-page 41 ...
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... MCP46XXEV Evaluation Board User’s Guide A.9 BOARD – BOTTOM SILK, TRACE AND PADS DS51929A-page 42 Draft © 2010 Microchip Technology Inc. ...
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... This assembly uses RoHS Compliant TSSOP-20 to DIP-20 Evaluation Board. 2: The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM used in manufacturing uses all RoHS-compliant components. © 2010 Microchip Technology Inc. MCP46XXEV EVALUATION BOARD Description Manufacturer Molex/Waldom Electronics Corp ...
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... Fax: 886-3-6578-370 Taiwan - Kaohsiung Tel: 886-7-213-7830 Fax: 886-7-330-9305 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2010 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...