P0304 Terasic Technologies Inc, P0304 Datasheet - Page 20

• Manufacturer Part Number: P0304
• Description: DE2-70 CALL FOR ACADEMIC PRICING
• Manufacturer: Terasic Technologies Inc
• Type: FPGAr

Specifications of P0304

• Contents: DE2-70 Board, Power Supply, Cables, Plastic cover and software
• For Use With/related Products: Cyclone II 2C70
• For Use With: P0033 - BOARD ADAPTER HSMC TO GPIOP0006 - BOARD ADAPTER THDB-SUMP0001 - MODULE DIGITAL CAMERA 5MP (D5M)P0307 - KIT DEV 4.3" LCD TOUCH PANEL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: DE2-70

A 16-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. Figure 3.7 depicts the result of writing the hexadecimal value
06CA into location 200, followed by reading the same location.
The Sequential Write function of the Control Panel is used to write the contents of a file into the
SDRAM as follows:
The Control Panel also supports loading files with a .hex extension. Files with a .hex extension are
ASCII text files that specify memory values using ASCII characters to represent hexadecimal
values. For example, a file containing the line
defines four 8-bit values: 01, 23, 45, 67, 89, AB, CD, EF. These values will be loaded consecutively
1. Specify the starting address in the Address box.
2. Specify the number of bytes to be written in the Length box. If the entire file is to be
3. To initiate the writing of data, click on the Write a File to Memory button.
4. When the Control Panel responds with the standard Windows dialog box asking for the
loaded, then a checkmark may be placed in the File Length box instead of giving the
number of bytes.
source file, specify the desired file in the usual manner.
Figure 3.7. Accessing the SDRAM-U1.
0123456789ABCDEF
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DE2-70 User Manual