•Bit stream used: DE2_70_Synthesizer.sof or 
•Connect a PS/2 Keyboard to the 
•Connect the VGA output of the 
•Connect the Lineout of the 
•Load the bit stream into FPGA.
•Make sure all the switches (SW[9:0]) are set to 0 (Down Position)
•Press KEY1 on the 
•Press KEY0 on the 
Table 6.2 and 6.3 illustrate the usage of the switches, pushbuttons (KEYs), PS/2 Keyboard.
zSwitches and Pushbuttons
Signal Name | Description | 
  | 
  | 
KEY[0]  | Reset Circuit  | 
  | 
  | 
KEY[1]  | Repeat the Demo Music  | 
  | 
  | 
SW[0]  | OFF: BRASS, ON: STRING  | 
  | 
  | 
SW[9]  | OFF: DEMO, ON: PS2 KEYBOARD  | 
  | 
  | 
SW[1]  | |
  | 
  | 
SW[2]  | |
  | 
  | 
Table 6.2. Usage of the switches, pushbuttons (KEYs).
• PS/2 Keyboard
Signal Name  | Description  | 
  | 
  | 
Q  | |
  | 
  | 
A  | |
  | 
  | 
W  | |
  | 
  | 
S  | |
  | 
  | 
E  | |
  | 
  | 
D  | |
  | 
  | 
F  | 1  | 
  | 
  | 
T  | #1  | 
  | 
  | 
G  | 2  | 
  | 
  | 
Y  | #2  | 
  | 
  | 
H  | 3  | 
  | 
  | 
J  | 4  | 
  | 
  | 
  | 85  |