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Detailed Description

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10

SLAU818 – November 2019

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Copyright © 2019, Texas Instruments Incorporated

DAC80502 Evaluation Module

The values of the register map can also be saved by pressing the

Save Configuration

button under the

File

menu option. Additionally, the configuration files can be accessed through the

Load Configuration

button. Other options selectable by the user are the

Update Mode

,

Write Selected

,

Read Selected

,

Write

Modified

, and

Read All

buttons. All buttons are displayed in

Figure 9

.

Figure 9. Low Level Configuration Page Options

If

Immediate

is selected under

Update Mode

, all changes to register values update immediately. The

Deferred

option allows the user to modify the value of a register without taking effect until the

Write

Selected

, or

Write Modified

button is pressed. The

Read Selected

button allows individual register reads,

whereas the

Read All

button reads the status of all registers located in the register map.

3.2.2.2

High Level Configuration Page

The

High Level Configuration

page provides an easy interface to program the output code for the

DAC80502 device. This page is displayed in

Figure 10

.

Figure 10. High Level Configuration Page

Содержание DAC80502

Страница 1: ...aracteristics operation and use of the DAC80502EVM evaluation module EVM This EVM is designed to evaluate the performance of the DAC80502 buffered voltage output DAC in a variety of configurations Thr...

Страница 2: ...4 3 Hardware Setup 5 4 DAC80502EVM Hardware Block Diagram 6 5 DAC80502EVM GUI Location 8 6 GUI Connection Detection 8 7 Page Selection 9 8 Low Level Configuration Page 9 9 Low Level Configuration Pag...

Страница 3: ...ts of DAC80502EVM Kit Item Quantity DAC80502EVM evaluation board PCB 1 Table 2 Required Components Not Included With Kit Item Quantity USB2ANY interface adapter 1 The USB2ANY interface adapter can be...

Страница 4: ...vailable through the DAC80502EVM product folder After the software is downloaded onto the PC navigate to the DAC80502EVM folder and run the Setup_DAC80502_EVM exe file as shown in Figure 1 When the so...

Страница 5: ...y must be maintained See the DAC80502 data sheet for details Table 4 Power Supply Inputs DAC80502EVM Connector Supply Name Voltage Range J2 1 VDD 2 7 V to 5 5 V J2 2 GND 0 V JP1 2 Default USB_3p3 3 3...

Страница 6: ...1 Theory of Operation for the DAC80502EVM Hardware The block diagram of the DAC80502EVM board is displayed in Figure 4 The EVM board connects to external power supply VDD either through USB2ANY 3 3 V...

Страница 7: ...test points Table 5 provides the pin definitions for this connector Table 6 provides the corresponding test points for the SPI signals Table 5 J1 USB2ANY Pin Definitions Pin Signal Description 1 GPIO...

Страница 8: ...1 Starting the Software To launch the software locate the Texas Instruments folder in the All Programs menu and select the DAC80502 EVM icon Figure 5 DAC80502EVM GUI Location Figure 6 shows that If t...

Страница 9: ...tch between the pages with each page representing a feature of the software Figure 7 Page Selection 3 2 2 1 Low Level Configuration Page The DAC80502 EVM Register Map page shown in Figure 8 allows the...

Страница 10: ...ttons are displayed in Figure 9 Figure 9 Low Level Configuration Page Options If Immediate is selected under Update Mode all changes to register values update immediately The Deferred option allows th...

Страница 11: ...tation Feedback Copyright 2019 Texas Instruments Incorporated DAC80502 Evaluation Module 4 Schematic PCB Layout and Bill of Materials This section contains the complete bill of materials PCB layout an...

Страница 12: ...Bill of Materials www ti com 12 SLAU818 November 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated DAC80502 Evaluation Module 4 2 PCB Components Layout Figure 12 PCB La...

Страница 13: ...B Layout and Bill of Materials 13 SLAU818 November 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated DAC80502 Evaluation Module Figure 13 PCB Layout Top Layer Figure 14...

Страница 14: ...X 0 20 Clear Transparent Bumpon SJ 5303 CLEAR 3M J1 1 Header shrouded 100mil 5x2 Gold SMT SMT Header 52601 S10 8LF FCI J2 J3 J4 3 Terminal Block 3 5mm Pitch 2x1 TH 7 0x8 2x6 5mm ED555 2DS On Shore Tec...

Страница 15: ...change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of thes...

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