Sigma DE2-70 manual Usage of the switches, pushbuttons KEYs PS/2 Keyboard

DE2-70 User Manual

•Bit stream used: DE2_70_Synthesizer.sof or DE2-70_Synthesizer.pof

•Connect a PS/2 Keyboard to the DE2-70 board.

•Connect the VGA output of the DE2-70 board to a VGA monitor (both LCD and CRT type of monitors should work)

•Connect the Lineout of the DE2-70 board to a speaker.

•Load the bit stream into FPGA.

•Make sure all the switches (SW[9:0]) are set to 0 (Down Position)

•Press KEY1 on the DE2-70 board to start the music demo

•Press KEY0 on the DE2-70 board to reset the circuit

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]	Channel-1 ON / OFF
SW[2]	Channel-2 ON / OFF

Table 6.2. Usage of the switches, pushbuttons (KEYs).

• PS/2 Keyboard

Signal Name	Description
Q	-#4
A	-5
W	-#5
S	-6
E	-#6
D	-7
F	1
T	#1
G	2
Y	#2
H	3
J	4
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