Altera Cyclone II FPGA Starter Manual do Utilizador descarregar pdf (Página 26)

4–4 Altera Corporation

Cyclone II FPGA Starter Development Kit User Guide October 2006

SDRAM/SRAM Controller and Programmer

2. Click in the blank area under "PS/2 Keyboard" in the CII Starter Kit

Control Panel.

3. Start typing on the PS/2 keyboard.

The keystrokes should echo from the keyboard to the output on the

control panel.

SDRAM/SRAM

Controller and

Programmer

The user can perform the following types of memory read/write

operations with the Control Panel:

■ Read/write data from/to the SDRAM or SRAM on the development

board

■ Write sequential data or the entire contents of a file, to the SDRAM or

SRAM

■ Read sequential data or the entire contents of the SDRAM or SRAM

to a file

This following sections describe how to access the SDRAM; the same

approach also applies to accessing the SRAM.

Read/Write Data

To write/read data from/to the SDRAM, perform the following steps:

1. Select the SDRAM tab on the Control Panel (Figure 4–4).

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Altera Cyclone II FPGA Starter Manual do Utilizador Página 26