User manual

DE2 User Manual
68
 Switches 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 5.1. 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
I #4
K 5
O #5
L 6
P #6
: 7
“ +1
Table 5.2. Usage of the PS/2 Keyboard’s keys.