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DE2-70 User Manual
(AS) programming modes are supported
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2-Mbyte SSRAM
Two 32-Mbyte SDRAM
8-Mbyte Flash memory
SD Card socket
4 pushbutton switches
18 toggle switches
18 red user LEDs
9 green user LEDs
50-MHz oscillator and 28.63-MHz oscillator for clock sources
24-bit CD-quality audio CODEC with line-in, line-out, and microphone-in jacks
VGA DAC (10-bit high-speed triple DACs) with VGA-out connector
2 TV Decoder (NTSC/PAL/SECAM) and TV-in connector
10/100 Ethernet Controller with a connector
USB Host/Slave Controller with USB type A and type B connectors
RS-232 transceiver and 9-pin connector
PS/2 mouse/keyboard connector
IrDA transceiver
1 SMA connector
Two 40-pin Expansion Headers with diode protection
In addition to these hardware features, the DE2-70 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 DE2-70 board.
In order to use the DE2-70 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 DE2-70
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
DE2_70_tutorials on the DE2-70 System CD-ROM that accompanies the DE2-70 board and can
also be found on Altera’s DE2-70 web pages.
2.2 Block Diagram of the DE2-70 Board
Figure 2.2 gives the block diagram of the DE2-70 board. To provide maximum flexibility for the
user, all connections are made through the Cyclone II FPGA device. Thus, the user can configure
the FPGA to implement any system design.
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