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电子发烧友网>电子资料下载>类型>参考设计>CN0235 FMC-SDP转接器和评估板/Xilinx KC705参考设计

CN0235 FMC-SDP转接器和评估板/Xilinx KC705参考设计

2021-05-22 | pdf | 352.54KB | 次下载 | 2积分

资料介绍

This version (09 Jan 2021 00:55) was approved by Robin Getz.The Previously approved version (31 Dec 2020 06:00) is available.Diff

CN0235 FMC-SDP Interposer & Evaluation Board / Xilinx KC705 Reference Design

Supported Devices

Reference Circuits

Overview

This document presents the steps to setup an environment for using the EVAL-CN0235-SDPZ evaluation board together with the Xilinx KC705 FPGA board and the Xilinx Embedded Development Kit (EDK). Below is presented a picture of the EVAL-CN0235-SDPZ Evaluation Board with the Xilinx KC705 board.

cn0235.jpg

For component evaluation and performance purposes, as opposed to quick prototyping, the user is directed to use the part evaluation setup. This consists of:

  • 1. A controller board like the SDP-B ( EVAL-SDP-CS1Z)
  • 2. The component SDP compatible product evaluation board
  • 3. Corresponding PC software ( shipped with the product evaluation board)

The SDP-B controller board is part of Analog Devices System Demonstration Platform (SDP). It provides a high speed USB 2.0 connection from the PC to the component evaluation board. The PC runs the evaluation software. Each evaluation board, which is an SDP compatible daughter board, includes the necessary installation file required for performance testing.

Note: it is expected that the analog performance on the two platforms may differ.

28 Sep 2012 10:32 · Adrian Costina

Below is presented a picture of SDP-B Controller Board with the EVAL-CN0235-SDPZ Evaluation Board.

cn0235_sdp1z.jpg

The CN0235 board is a fully isolated lithium ion battery monitoring and protection system. Lithium ion (Li-Ion) battery stacks contain a large number of individual cells that must be monitored correctly in order to enhance the battery efficiency, prolong the battery life, and ensure safety.

The AD7280A contains all the functions required for general-purpose monitoring of stacked lithium ion batteries as used in hybrid electric vehicles, battery backup applications, and power tools. The part has multiplexed cell voltage and auxiliary ADC measurement channels for up to six cells of battery management. An internal ±3 ppm/°C reference is provided that allows a cell voltage accuracy of ±1.6 mV. The ADC resolution is 12 bits and allows conversion of up to 48 cells within 7 us.

The AD8280 is a hardware-only safety monitor for lithium ion battery stacks. The part has inputs to monitor six battery cells and two temperature sensors (either NTC or PTC thermistors). The part is designed to be daisy-chained with other AD8280 devices to monitor a stack of significantly more than six cells without the need for numerous isolators. Its output can be configured for an independent or shared alarm state.

More information

Getting Started

The first objective is to ensure that you have all of the items needed and to install the software tools so that you are ready to create and run the evaluation project.

Required Hardware

Required Software

  • Xilinx ISE 14.6.
  • UART Terminal (Termite/Tera Term/Hyperterminal), baud rate 115200.
  • The EVAL-CN0235 reference project for Xilinx KC705 FPGA.

Downloads

Run the Demonstration Project

Hardware setup


Before connecting the ADI evaluation board to the Xilinx KC705 make sure that the VADJ_FPGA voltage of the KC705 is set to 3.3V. For more details on how to change the setting for VADJ_FPGA visit the Xilinx KC705 product page.

  • Use the FMC-SDP interposer to connect the ADI evaluation board to the Xilinx KC705 board on the FMC LPC connector.
  • Connect the JTAG and UART cables to the KC705 and power up the FPGA board.

Reference Project Overview

The following commands were implemented in this version of EVAL-CN0235 reference project for Xilinx KC705 FPGA board.

Command Description
help? Displays all available commands.
adcCode? Displays the ADC code of one channel from selected device. Accepted values:
device:
0 - master
1 - slave
register address:
0 - Cell Voltage 1
1 - Cell Voltage 2
2 - Cell Voltage 3
3 - Cell Voltage 4
4 - Cell Voltage 5
5 - Cell Voltage 6
6 - AUX ADC 1
7 - AUX ADC 2
8 - AUX ADC 3
9 - AUX ADC 4
10 - AUX ADC 5
11 - AUX ADC 6
voltage? Displays the input voltage of one channel from selected device. Accepted values:
device:
0 - master
1 - slave
register address:
0 - Cell Voltage 1
1 - Cell Voltage 2
2 - Cell Voltage 3
3 - Cell Voltage 4
4 - Cell Voltage 5
5 - Cell Voltage 6
6 - AUX ADC 1
7 - AUX ADC 2
8 - AUX ADC 3
9 - AUX ADC 4
10 - AUX ADC 5
11 - AUX ADC 6
register? Displays the content of one register from selected device. Accepted values:
device:
0 - master
1 - slave
register address:
13 - Control high byte
14 - Control low byte
15 - Cell Overvoltage
16 - Cell Undervoltage
… (see AD7280A_Datasheet p.28)
29 - CNVST Control
register= Sets the content of one register from selected device. Accepted values:
device:
0 - master
1 - slave
register address:
13 - Control high byte
14 - Control low byte
15 - Cell Overvoltage
16 - Cell Undervoltage
… (see AD7280A_Datasheet p.28)
29 - CNVST Control
register value:
0 .. 255 - value to be written inside the register.
selfTestAD7280A! Performs the self test for both AD7280A devices on the board (one master and one slave).
alertPinAD7280A? Reads the status of Alert Pin from AD7280A.
enableAD8280= Enables/disables the AD8280 device. Accepted values:
0 - disable the AD8280 device
1 - enable the AD8280 device
alarmPinOvAD8280? Reads the status of Overvoltage Alarm Pin from AD8280.
alarmPinUvAD8280? Reads the status of Undervoltage Alarm Pin from AD8280.
selfTestAD8280! Performs the self test for both AD8280 devices on the board (one master and one slave).

Commands can be executed using a serial terminal connected to the UART peripheral of Xilinx KC705 FPGA.

The following image shows a generic list of commands in a serial terminal connected to Xilinx KC705 FPGA's UART peripheral. terminal_kc705.jpg

Software Project Setup

The hardware platform for each reference projects with FMC-SDP interposer and KC705 evaluation board is common. The next steps should be followed to recreate the software project of the reference design:

Github Repository

  • From this entire repository you will use cf_sdp_kc705 folder. This is common for all KC705 projects.

EDK KC705 project

  • Open the Xilinx SDK. When the SDK starts, it asks you to provide a folder where to store the workspace. Any folder can be provided. Make sure that the path where it is located does not contain any spaces.
  • In the SDK select the File→Import menu option to import the software projects into the workspace.

Import Projects

  • In the Import window select the General→Existing Projects into Workspace option.

Existing Projects Import

  • In the Import Projects window select the cf_sdp_kc705 folder as root directory and check the Copy projects into workspace option. After the root directory is chosen the projects that reside in that directory will appear in the Projects list. Press Finish to finalize the import process.

Projects Import

  • The Project Explorer window now shows the projects that exist in the workspace without software files.

Project Explorer

  • Now the software must be added in your project. For downloading the software, you must use 3 links from Github given in Downloads section. From there you'll download the specific driver, the specific commands and the Xilinx Boards Common Drivers(which are commons for all Xilinx boards). All the software files downloaded must be copied in src folder from sw folder.

Project complete

  • Before compilation in the file called Communication.h you have to uncomment the name of the device that you currently use. In the picture below there is an example of this, which works only with AD5629R project. For another device, uncomment only the respective name. You can have one driver working on multiple devices, so the drivers's name and the uncommented name may not be the same for every project.

Communication.h

  • The SDK should automatically build the project and the Console window will display the result of the build. If the build is not done automatically, select the Project→Build Automatically menu option.
  • If the project was built without any errors, you can program the FPGA and run the software application.
13 Aug 2013 09:22 · Lucian Sin

More information

28 May 2012 15:18
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