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User's Guide

SBAU177D – September 2010 – Revised August 2014

AMC7812EVM-PDK User’s Guide

This user's guide describes the characteristics, operation, and use of the AMC7812 evaluation module
(EVM). This user’s guide also discusses the proper setup and configuration of software and hardware and
reviews various aspects of program operation. A complete circuit description, schematic diagram, and bill
of materials are also included.

Contents

1

Overview

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3

2

AMC7812EVM Hardware Setup

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4

3

AMC7812EVM Software Setup

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7

4

AMC7812EVM Hardware Overview

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9

5

AMC7812EVM Software Overview

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13

6

AMC7812EVM Documentation

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22

List of Figures

1

AMC7812EVM Hardware Setup

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4

2

AMC7812 Test Board Block Diagram

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4

3

SDM-USB-DIG Platform Block Diagram

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6

4

AMC7812EVM Installer Directory

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7

5

AMC7812EVM Install Path

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8

6

Typical Hardware Connections on the AMC7812EVM

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10

7

Confirmation of SDM-USB-DIG Platform Driver Installation

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10

8

AMC7812EVM GUI Location

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13

9

AMC7812EVM GUI – Power On

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13

10

Software Reset Button

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14

11

Low-Level Configuration Page

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14

12

ADC Page

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15

13

ADC Block Activation Sequence

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15

14

ADC Channel MUX

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15

15

ADC CH0 to CH3 Config

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15

16

ADC External Ref Value

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16

17

ADC Report Window

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17

18

DAC Page

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17

19

Program DAC Registers

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17

20

DAC Gain Button

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18

21

DAC External Ref Value

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18

22

DAC Clear and Latch Settings

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18

23

DAC Clear Triggers

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18

24

ALARMS Page

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19

25

Alarm LEDs

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19

26

Alarm LEDs Activated

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19

27

Alarm Control Registers

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20

28

GPIO + Temp Page

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20

1

SBAU177D – September 2010 – Revised August 2014

AMC7812EVM-PDK User’s Guide

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Copyright © 2010–2014, Texas Instruments Incorporated

Содержание AMC7812EVM-PDK

Страница 1: ...atform Block Diagram 6 4 AMC7812EVM Installer Directory 7 5 AMC7812EVM Install Path 8 6 Typical Hardware Connections on the AMC7812EVM 10 7 Confirmation of SDM USB DIG Platform Driver Installation 10...

Страница 2: ...of Tables 1 Contents of AMC7812EVM Kit 3 2 Related Documentation 3 3 J1 Signal Definition 5 4 Default Jumper Settings 9 5 AMC7812EVM Jumper and Shunt Resistor Settings 11 6 AMC7812EVM ADC Signal Conne...

Страница 3: ...USB DIG platform PCB 1 USB extender cable 1 24 V wall supply 1 1 2 Related Documentation from TI The following document provides information regarding TI integrated circuits used in the assembly of t...

Страница 4: ...communicate with the EVM board The EVM includes a 24 V wall supply that provides power to on board power regulators LDOs that regulate the analog and digital supplies Connectors are also included on t...

Страница 5: ...l output or measure input 8 DIG_GPIO5 GPIO Control output or measure input 9 MOSI SPI data output MOSI 10 DIG_GPIO6 GPIO Control output or measure input Switchable DUT power supply 3 3 V 5 V Hi Z disc...

Страница 6: ...the platform is the MSP430F5528 an ultra low power 16 bit MCU The microcontroller receives information from the host PC and translates it into I2 C SPI or other digital I O patterns The connected dev...

Страница 7: ...wn in Figure 4 When the software is launched an installation dialog opens and prompts the user to select an installation directory If left unchanged the software location defaults to C Program Files x...

Страница 8: ...oftware Setup www ti com Figure 5 AMC7812EVM Install Path 8 AMC7812EVM PDK User s Guide SBAU177D September 2010 Revised August 2014 Submit Documentation Feedback Copyright 2010 2014 Texas Instruments...

Страница 9: ...External supply Selecting AVCC voltage JP4 Shunt on 1 2 1 2 On board 14 V supply 2 3 External supply Selecting IOVDD voltage JP5 Shunt on 1 2 1 2 On board VDUT 2 3 External supply Installed Onboard t...

Страница 10: ...nds with a Found New Hardware USB Device popup dialog window The popup window then changes to Found New Hardware Virtual COM Port CDC This popup indicates that the device is ready for use The CDC driv...

Страница 11: ...DO supply R71 Not populated R71 3 3 V LDO supply Additionally IOVDD is supplied by the SDM USB DIG but can be externally sourced by setting the JP5 jumper and connecting the external source to the J6...

Страница 12: ...put DACD3 J2 9 DAC D3 output DACD4 J2 11 DAC D4 output DACD5 J2 13 DAC D5 output DACB6 J3 3 DAC B6 output DACB7 J3 5 DAC B7 output DACA8 J3 7 DAC A8 output DACA9 J3 9 DAC A9 output DACA10 J3 11 DAC A1...

Страница 13: ...CONNECTED Simulating is displayed in the top right area of the GUI If this text appears while the SDM USB DIG device is connected then unplug the SDM USB DIG and close the GUI Reconnect the SDM USB DI...

Страница 14: ...gure 11 Low Level Configuration Page This low level configuration page also provides the option to save the register map settings as a configuration file which is done by pressing the Save Config butt...

Страница 15: ...is configured individual channels can be enabled by selecting their respective ADC MUX button as shown in Figure 14 Figure 14 ADC Channel MUX CH0 to CH3 can be selected by using the dropdown menu and...

Страница 16: ...can be either Auto or Direct mode In Direct Mode the analog inputs specified in the ADC channel registers are converted sequentially one time In Auto Mode the analog inputs are converted sequentially...

Страница 17: ...e used with an Internal default or External reference To fully activate the DAC block set the Enable Reference Block To set the DAC channels individually select their respective checkbox in the Power...

Страница 18: ...ght of the Program DAC field are additional options that allow the user to configure each DAC for different events as shown in Figure 22 Starting from left to right the CLR EN0 CLR EN1 checkbox allows...

Страница 19: ...occur before the alarm is activated Additionally the bottom left of the GUI includes a checkbox function for enabling or disabling the alarm pin function and alarm latch settings Pressing the Read Ala...

Страница 20: ...MP button enables a temperature conversion and updates the temperature value for all temperature functions in Celsius C and hexadecimal Additionally these functions can be modified by adjusting the co...

Страница 21: ...GPIO Temp page also features four GPIO0 through GPIO3 general purpose I Os of the AMC7812 device as shown in Figure 32 Figure 32 GPIO Page Use the GPIO Block section of the GPIO tab as shown in Figur...

Страница 22: ...NI C19 NI C20 NI C32 NI C31 NI C30 NI C29 NI C28 NI C27 NI C26 NI C25 NI C24 NI C23 NI C22 NI C21 NI SDMini Dig connector RESET 1 DAV 2 CNVT 3 SDI SDA 4 SCLK SCL 5 DGND 6 IOVDD 7 DVDD 8 CS A0 9 SDO A1...

Страница 23: ...erature Diode Selection Jumper Table JP6 DIODE SELECT Remote temperature diode selection Installed shunt selects external temperature diodes connected to J2 1 2 and J3 1 2 Uninstalled shunt selects on...

Страница 24: ...F C51 0 1 F C49 1 F C50 GND 0 47 R68 GND GND 2 5V REF DNC 1 VIN 2 TEMP 3 GND 4 TRIM NR 5 VOUT 6 NC 7 DNC 8 U6 REF5025IDGK IN 3 OUT 2 GND 1 TAB 4 U5 LM1086CS 3 3 GND GND GND 10 F C45 10 F C44 3 3V D3...

Страница 25: ...t Figure 37 shows the layout of the components for the AMC7812EVM board Figure 37 AMC7812EVM PCB Components Layout 25 SBAU177D September 2010 Revised August 2014 AMC7812EVM PDK User s Guide Submit Doc...

Страница 26: ...pF 25V 10 X7R 0603 MuRata GRM188R71E272KA01D 16 1 C64 CAP CERM 0 01uF 50V 10 X7R 0603 TDK C1608X7R1H103K 17 1 D1 Diode Zener 5 1V 500mW SOD 123 Vishay Semiconductor MMSZ4689 V 18 2 D2 D3 LED Green SMD...

Страница 27: ...P1 TP2 Test Point Miniature Black TH Keystone 5001 44 7 TP3 TP4 TP5 TP6 TP7 TP8 TP9 Test Point Miniature Red TH Keystone 5000 45 1 U1 4 BIT 1 OF 2 FET MULTIPLEXER DEMULTIPLEXER HIGH BANDWIDTH BUS Texa...

Страница 28: ...e current version Revision C History Changes from B Revision June 2014 to C Revision Page Changed title of document to AMC7812EVM PDK User s Guide 1 Revision B History Changes from A Revision May 2013...

Страница 29: ...dling and use of EVMs and if applicable compliance in all respects with such laws and regulations 10 User has sole responsibility to ensure the safety of any activities to be conducted by it and its e...

Страница 30: ...his equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Opera...

Страница 31: ...age et ayant un gain admissible maximal et l imp dance requise pour chaque type d antenne Les types d antenne non inclus dans cette liste ou dont le gain est sup rieur au gain maximal indiqu sont stri...

Страница 32: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

Страница 33: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments AMC7812EVM PDK...

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