De 2 development and education board user manual

How do I find and resolve broken links? How do I create a global announcement item? What browsers does Brightspace Learning Environment support? Security How do I configure tool functionality? How do I assign tool permissions to users? How do I set password policy restrictions? How do I protect the privacy of enrolled learners? How do I define a list of trusted sites? Courses How do I create a course? How do I create a course overview? How do I copy a course?

How do I activate a course? How do I deactivate a course? How do I import a course? How do I create a course homepage and widgets? How do I create a course navbar and theme? How do I change the banner image for a course? How do I update course start and end dates? How do I upload and organize course files? How do I post messages and links to course materials? How do I manage multiple course offerings with a template? Users How do I create a user? How do I import multiple users?

How do I impersonate a user? How do I deactivate a user? How do I enroll a user in a course? How do I change roles for multiple users in the organization? Getting Started Where do I find my username? How do I log in to Brightspace? However, it provides users a simple mechanism for verifying if the buttons and switches are functioning correctly. A bit word can be written into the SDRAM by entering the address of the desired location, specifying the data to be written, and pressing the Write button.

Contents of the location can be read by pressing the Read button. Specify the starting address in the Address box. Specify the number of bytes to be written in the Length box. If the entire file is to be loaded, then a checkmark may be placed in the File Length box instead of giving the number of bytes. To initiate the writing process, click on the Write a File to Memory button 4.

When the Control Panel responds with the standard Windows dialog box asking for the source file, specify the desired file in the usual manner. The Control Panel also supports loading files with a. Files with a. These values will be loaded consecutively into the memory. Specify the number of bytes to be copied into the file in the Length box. Press Load Memory Content to a File button 4.

When the Control Panel responds with the standard Windows dialog box asking for the destination file, specify the desired file in the usual manner Users can use the similar way to access the Flash.

Please note that users need to erase the Flash before writing data to it. The movement of the mouse and the status of the three buttons will be shown in the graphical and text interface.

Press Stop to terminate the monitoring process. This function can be used to verify the functionality of the SD Card Interface. Follow the steps below to exercise the SD Card: 1. Choosing the SD Card tab leads to the window in Figure 3. The setup is established by connecting a RS 9-pin male to female cable from the PC to the RS port where the Control Panel communicates to the terminal emulator software on the PC, or vice versa. Alternatively, a RS loopback cable can also be used if you do not wish to use the PC to verify the test.

The Receive terminal window on the Control Panel monitors the serial communication status. Follow the steps below to initiate the RS communication: 1. Choosing the RS tab leads to the window in Figure 3. To begin the communication, enter specific letters followed by clicking Send.

During the communication process, observe the status of the Receive terminal window to verify its operation. RS Serial Communication. Follow the steps below to generate the VGA pattern function: 1.

Choosing the VGA tab leads to the window in Figure 3. Click the drop down menu shown in Figure 3. Controlling VGA display. To run the Control Panel, users should make the configuration according to Section 3. The block diagram of the DE2 control panel. The user is encouraged to read the tutorial first, and to treat the information below as a short reference. Both types of programming methods are described below. The FPGA will retain this configuration as long as power is applied to the board; the configuration is lost when the power is turned off.

It provides non-volatile storage of the bit stream, so that the information is retained even when the power supply to the DE2 board is turned off. Using this connection, the board will be identified by the host computer as an Altera USB Blaster device. The process for installing on the host computer the necessary software device driver that communicates with the USB Blaster is described in the tutorial Getting Started with Altera's DE2 Board.

The JTAG configuration scheme. The AS configuration scheme. Each of these switches is debounced using a Schmitt Trigger circuit, as indicated in Figure 4. Each switch provides a high logic level 3. Since the pushbutton switches are debounced, they are appropriate for use as clock or reset inputs in a circuit.

Figure 4. Switch debouncing. There are also 18 toggle switches sliders on the DE2 board. When a switch is in the DOWN position closest to the edge of the board it provides a low logic level 0 volts to the FPGA, and when the switch is in the UP position it provides a high logic level 3. Eighteen red LEDs are situated above the 18 toggle switches, and eight green LEDs are found above the pushbutton switches the 9th green LED is in the middle of the 7-segment displays. A schematic diagram that shows the pushbutton and toggle switches is given in Figure 4.

A schematic diagram that shows the LED circuitry appears in Figure 4. Similarly, the pins used to connect to the pushbutton switches and LEDs are displayed in Tables 4. Schematic diagram of the pushbutton and toggle switches. Schematic diagram of the LEDs. Pin assignments for the toggle switches. Pin assignments for the pushbutton switches. Pin assignments for the LEDs.

These displays are arranged into two pairs and a group of four, with the intent of displaying numbers of various sizes. As indicated in the schematic in Figure 4. Applying a low logic level to a segment causes it to light up, and applying a high logic level turns it off.

Each segment in a display is identified by an index from 0 to 6, with the positions given in Figure 4. Note that the dot in each display is unconnected and cannot be used. Table 4. Schematic diagram of the 7-segment displays. Position and index of each segment in a 7-segment display.

Pin assignments for the 7-segment displays. The board also includes an SMA connector which can be used to connect an external clock source to the board. The schematic of the clock circuitry is shown in Figure 4.

Either of these methods can be used to make sure these two clocks input into FPGA device normally, it helps to avoid the negative effect on the Project Function.

Then it will not effect to generate the 27Mhz clock. Schematic diagram of the clock circuit. Pin assignments for the clock inputs. Detailed information for using the display is available in its datasheet, which can be found on the manufacturer's web site, and from the Datasheet folder on the DE2 System CD-ROM. The associated pin assignments appear in Table 4. Login as a root user 2. Note that, the " Related Papers. Beginning the Linux Command Line. By Lucas Nelvo. By mariano ruiz.

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