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DE1 User Manual
The following hardware is provided on the DE1 board:
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Altera Cyclone ? II 2C20 FPGA device
Altera Serial Configuration device – EPCS4
USB Blaster (on board) for programming and user API control; both JTAG and Active Serial
(AS) programming modes are supported
512-Kbyte SRAM
8-Mbyte SDRAM
4-Mbyte Flash memory
SD Card socket
4 pushbutton switches
10 toggle switches
10 red user LEDs
8 reen user LEDs
50-MHz oscillator, 27-MHz oscillator and 24-MHz oscillator for clock sources
24-bit CD-quality audio CODEC with line-in, line-out, and microphone-in jacks
VGA DAC (4-bit resistor network) with VGA-out connector
RS-232 transceiver and 9-pin connector
PS/2 mouse/keyboard connector
Two 40-pin Expansion Headers with resistor protection
Powered by either a 7.5V DC adapter or a USB cable
In addition to these hardware features, the DE1 board has software support for standard I/O
interfaces and a control panel facility for accessing various components. Also, software is provided
for a number of demonstrations that illustrate the advanced capabilities of the DE1 board.
In order to use the DE1 board, the user has to be familiar with the Quartus II software. The
necessary knowledge can be acquired by reading the tutorials Getting Started with Altera’s DE1
Board and Quartus II Introduction (which exists in three versions based on the design entry method
used, namely Verilog, VHDL or schematic entry). These tutorials are provided in the directory
DE1_tutorials on the DE1 System CD-ROM that accompanies the DE1 board and can also be
found on Altera’s DE1 web pages.
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