MCP3901EV-MCU16 Microchip Technology, MCP3901EV-MCU16 Datasheet

BOARD EVAL FOR 2CH ADC MCP3901

MCP3901EV-MCU16

Manufacturer Part Number
MCP3901EV-MCU16
Description
BOARD EVAL FOR 2CH ADC MCP3901
Manufacturer
Microchip Technology

Specifications of MCP3901EV-MCU16

Number Of Adc's
2
Number Of Bits
24
Data Interface
SPI™
Inputs Per Adc
1 Differential
Input Range
±1 V
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Utilized Ic / Part
MCP3901
Silicon Manufacturer
Microchip
Application Sub Type
ADC
Kit Application Type
Data Converter
Silicon Core Number
MCP3901, PIC24F, PIC24H, DsPIC33, PIC18F86J55
Kit Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
MCP3901
ADC Evaluation Board
for 16-Bit MCUs
User’s Guide
© 2009 Microchip Technology Inc.
DS51845A

Related parts for MCP3901EV-MCU16

MCP3901EV-MCU16 Summary of contents

Page 1

... Microchip Technology Inc. ADC Evaluation Board for 16-Bit MCUs User’s Guide MCP3901 DS51845A ...

Page 2

... PICtail, PIC logo, REAL ICE, rfLAB, Select Mode, Total Endurance, TSHARC, 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. © ...

Page 3

... A.6 Schematic - PIM Module .............................................................................. 26 A.7 Schematic - Power ....................................................................................... 27 A.8 Board - Top Trace and Top Silk ................................................................... 28 A.9 Board - Bottom Trace and Bottom Silk ........................................................ 28 A.10 Board - Layer #2 VDD ............................................................................... 29 © 2009 Microchip Technology Inc. MCP3901 ADC EVALUATION BOARD FOR 16-BIT MCUs USER’S GUIDE Table of Contents DS51845A-page iii ...

Page 4

... MCP3901 ADC Evaluation Board for 16-Bit MCUs User’s Guide A.11 Board - Layer #3 GND ............................................................................... 29 A.12 Board - Top Silk and Pads ......................................................................... 30 A.13 Board - Top Silk and Pads ......................................................................... 30 Appendix B. Bill Of Materials (BOM) Worldwide Sales and Service .....................................................................................34 DS51845A-page iv © 2009 Microchip Technology Inc. ...

Page 5

... MCP3901 ADC Evaluation Board for 16-Bit MCUs. • Appendix B. “Bill Of Materials (BOM)” – Lists the parts used to build the MCP3901 ADC Evaluation Board for 16-Bit MCUs. © 2009 Microchip Technology Inc. MCP3901 ADC EVALUATION BOARD FOR 16-BIT MCUs USER’S GUIDE ...

Page 6

... Optional arguments mcc18 [options] file [options] Choice of mutually exclusive errorlevel {0|1} arguments selection Replaces repeated text var_name [, var_name...] Represents code supplied by void main (void) user { ... } © 2009 Microchip Technology Inc. Examples ® IDE User’s Guide ...

Page 7

... Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of this document. Technical support is available through the web site at: http://support.microchip.com. DOCUMENT REVISION HISTORY Revision A (July 2009) • Initial Release of this Document. © 2009 Microchip Technology Inc. Preface DS51845A-page 3 ...

Page 8

... MCP3901 ADC Evaluation Board for 16-Bit MCUs User’s Guide NOTES: DS51845A-page 4 © 2009 Microchip Technology Inc. ...

Page 9

... Robust hardware design with analog grounding and analog/digital separation, allowing low noise evaluation of MCP3901 devices. Separate power supplies and power planes - 4 layer board • PICtail Plus connectors for Explorer-16 daughter board compatibility © 2009 Microchip Technology Inc. MCP3901 ADC EVALUATION BOARD FOR 16-BIT MCUs USER’S GUIDE DS51845A-page 5 ...

Page 10

... PIC18 EXTERNAL I/O PIC18 AUX I/O MCP3901 ADC Evaluation Board for 16-bit MCU FIGURE 1-1: MCP3901 ADC Evaluation Board for 16-Bit MCUs Block Diagram. DS51845A-page 6 Serial Connector PIM RESET SW2 RA9 RA10 SRAM PIM (100-PIN) SW3 SW4 © 2009 Microchip Technology Inc. ...

Page 11

... Ports A, B, and D are used for signals such as push buttons, output LEDs, CS and MCLR (for MCP3901 data mode setting). Output Capture 1 is used for MCP3901’s clock generation. Serial communication is achieved through the MSSP module 1. © 2009 Microchip Technology Inc. Hardware Description (Green) ...

Page 12

... OC1, is indicated in the sampling speed indicator box in the PC software (see Figure 3-1). DS51845A-page 8 CLKOUT XTAL XTAL CLKIN PIM OC1 CLKIN ADC Clock Selection Jumpers - External Crystal. XTAL CLKOUT CLKIN XTAL PIM OC1 CLKIN ADC Clock Selection Jumpers - Clock from MCU. © 2009 Microchip Technology Inc. ...

Page 13

... Note: For the MCP3901 ADC Evaluation Board for 16-Bit MCUs release, no USB firmware is supplied. The PIC18F86J55 is blank and only included for development purposes. SRAM 512x8 8 FIGURE 1-5: © 2009 Microchip Technology Inc. Hardware Description USB PIM Module PIC18F86J55 RD6/SCK2 SCK2/RG6 SDI2/RG7 ...

Page 14

... MCP3901 ADC Evaluation Board for 16-Bit MCUs User’s Guide NOTES: DS51845A-page 10 © 2009 Microchip Technology Inc. ...

Page 15

... It is important to have interrupts disabled, one way or another, during this configuration. Only after we configure the MCP3901 using the functions mentioned we can enable interrupts. Here, this is done by decreasing the CPU priority to 3. © 2009 Microchip Technology Inc. MCP3901 ADC EVALUATION BOARD FOR 16-BIT MCUs USER’S GUIDE Chapter 2 ...

Page 16

... SPI transfer that is happening is the first, the second, etc. After saving the samples into MCU, the SPI communication is disabled by putting DS51845A-page 12 YES Send on SPI 0b00000001 (Read Address 0 – CH0 MSB) YES Send on SPI 0b00001101 (Read Address 6 - ModOut) © 2009 Microchip Technology Inc. ...

Page 17

... Read Phase register; Read Gain register; Read Status register; Read Configuration High register; Read Configuration Low register; FIGURE 2-2: SPI Routine Flowchart. © 2009 Microchip Technology Inc. SPI1 Transfer Interrupt Clear Flag; Read SPI1BUF; Read Address Loop Bits from Status Register ; If Address Loop = ...

Page 18

... PREG8 register is a 16-bit register inside the MCU that controls the frequency of the clock signal from the OC1, therefore controlling the sampling speed of the MCP3901. Since 16-bit register, the number of characters that create the correct value is 5. DS51845A-page 14 © 2009 Microchip Technology Inc. ...

Page 19

... Contrd==515+ REAL_N+1? YES Disable UART TX interrupt; Contrd=515+REAL_N+2; Enable UART RX interrupt Reset contrd2; Increment contrd; FIGURE 2-3: Serial Transmission Flowchart. © 2009 Microchip Technology Inc. NO YES contrd=513? YES Send char “D”; Increment contrd; YES NO contrd=515? YES Sent to PC char “;”; ...

Page 20

... MCP3901 ADC Evaluation Board for 16-Bit MCUs User’s Guide NOTES: DS51845A-page 16 © 2009 Microchip Technology Inc. ...

Page 21

... ADC configuration • Data analysis for easier system debugging • Device evaluation Figure 3-1 shows a sample of the software’s GUI: FIGURE 3-1: MCP3901 Data View Interface. © 2009 Microchip Technology Inc. MCP3901 ADC EVALUATION BOARD FOR 16-BIT MCUs USER’S GUIDE DS51845A-page 17 ...

Page 22

... These parameters can be seen at the bottom of the GUI, under the Histogram Graph screens. The formula used for the ENOB in the case signal is as follows, if the application indicates the acquired data on 16 bits: DS51845A-page 18 © 2009 Microchip Technology Inc. ...

Page 23

... Current FFT screens. The user can select from a large number of windows. Since the GUI performs the spectral analysis of the acquired signal possible to compute AC performance parameters of the ADC: “THD” and “SINAD” are shown on the indicators, under the Histogram Graph screens. © 2009 Microchip Technology Inc. MCP3901 PC Software Tool σ ...

Page 24

... MCP3901 ADC Evaluation Board for 16-Bit MCUs User’s Guide NOTES: DS51845A-page 20 © 2009 Microchip Technology Inc. ...

Page 25

... Board - Bottom Trace and Bottom Silk • Board - Layer #2 VDD • Board - Layer #3 GND • Board - Top Silk and Pads • Board - Bottom Silk and Pads © 2009 Microchip Technology Inc. MCP3901 ADC EVALUATION BOARD FOR 16-BIT MCUs USER’S GUIDE DS51845A-page 21 ...

Page 26

... MCP3901 ADC Evaluation Board for 16-Bit MCUs User’s Guide A.2 SCHEMATIC - ANALOG DS51845A-page 22 © 2009 Microchip Technology Inc. ...

Page 27

... A.3 SCHEMATIC - LCD AND UART © 2009 Microchip Technology Inc. Schematics and Layouts DS51845A-page 23 ...

Page 28

... MCP3901 ADC Evaluation Board for 16-Bit MCUs User’s Guide A.4 SCHEMATIC - USB AND MEMORY DS51845A-page 24 © 2009 Microchip Technology Inc. ...

Page 29

... A.5 SCHEMATIC - MICROCONTROLLER (MCU) © 2009 Microchip Technology Inc. Schematics and Layouts DS51845A-page 25 ...

Page 30

... MCP3901 ADC Evaluation Board for 16-Bit MCUs User’s Guide A.6 SCHEMATIC - PIM MODULE DS51845A-page 26 © 2009 Microchip Technology Inc. ...

Page 31

... A.7 SCHEMATIC - POWER © 2009 Microchip Technology Inc. Schematics and Layouts DS51845A-page 27 ...

Page 32

... MCP3901 ADC Evaluation Board for 16-Bit MCUs User’s Guide A.8 BOARD - TOP TRACE AND TOP SILK MCP3901 ADC Eval Board for 16-bit MCU A.9 BOARD - BOTTOM TRACE AND BOTTOM SILK DS51845A-page 28 © 2009 Microchip Technology Inc. ...

Page 33

... A.10 BOARD - LAYER #2 VDD A.11 BOARD - LAYER #3 GND © 2009 Microchip Technology Inc. Schematics and Layouts DS51845A-page 29 ...

Page 34

... MCP3901 ADC Evaluation Board for 16-Bit MCUs User’s Guide A.12 BOARD - TOP SILK AND PADS MCP3901 ADC Eval Board for 16-bit MCU A.13 BOARD - BOTTOM TOP SILK AND PADS DS51845A-page 30 © 2009 Microchip Technology Inc. ...

Page 35

... X 2 Header 2.54mm on center 6 mm/2.5mm The components listed in this Bill of Materials are representative of the PCB assembly. The Note 1: released BOM used in manufacturing uses all RoHS-compliant components. © 2009 Microchip Technology Inc. MCP3901 ADC EVALUATION BOARD FOR 16-BIT MCUs USER’S GUIDE Manufacturer Murata Electronics Murata Electronics ® ...

Page 36

... Keystone Electronics 8724 SAMTEC TSW-110-07-G-D Microchip Technology 104-00221 Inc. Rohm MCR03EZPFX4701 Rohm MCR03EZPFX1001 Rohm MCR03EZPFX1002 Rohm MCR03EZPFX1301 Rohm MCR03EZPJ000 Rohm MCR03EZPFX2201 Rohm MCR03EZPFX1004 Rohm MCR03EZPFX1000 Rohm MCR03EZPFX1003 Susumu Co Ltd RGH2012-2E-P-102-B Rohm MCR10EZHF10R0 Omron Electronics B3S-1002P Inc-ECB Div © 2009 Microchip Technology Inc. ...

Page 37

... R29, R35 NOT INSTALL Note 1: 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. © 2009 Microchip Technology Inc. Bill Of Materials (BOM) Manufacturer Part Number Component Corporation PJ-202-30 LM1117MP-5.0/NOPB Microchip PIC18F86J55-I/PT LM1117MP-3 ...

Page 38

... Fax: 886-3-6578-370 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2009 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 ...

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