Altera DE2-115 Manual de usuario descargar pdf (Pagina 98)

Figure 6-16 Waveforms on two lines while communication taking place

 Demonstration Setup, File Locations, and Instructions

• Project directory: DE2_115_PS2_DEMO

• Bit stream used : DE2_115_PS2_DEMO.sof

• Load the bit stream into FPGA by executing

DE2_115_PS2_DEMO\demo_batch\DE2_115_PS2_DEMO.bat

• Plug in the PS/2 mouse

• Press KEY[0] for enabling data transfer

• Press KEY[1] to clear the display data cache

You should see digital changes on 7-segment display when the PS/2 mouse moves, and the

LEDG[2:0] will blink respectively when the left-button, right-button or middle-button is pressed.

Table 6-2 gives the detailed information.

Table 6-2 Detailed information of the indicators

Indicator Name Description

LEDG[0] Left button press indicator

LEDG[1] Right button press indicator

1 2 ... 93 94 95 96 97 98 99 100 101 102 103 ... 120 121

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Altera DE2-115 Manual de usuario Pagina 98