Spartan-3A/3AN FPGA Starter Kit Board User Guide
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65
UG334 (v1.1) June 19, 2008
R
Chapter 8
PS/2 Mouse/Keyboard Port
The Spartan
®
-3A/3AN FPGA Starter Kit board includes a PS/2 mouse/keyboard port and
the standard six-pin mini-DIN connector, labeled J28 on the board.
Figure 8-1
shows the
PS/2 connector, and
Table 8-1
shows the signals on the connector. Use the primary
connections indicated to connect a mouse or keyboard directly to the board. Also see
“Adding a Second PS/2 Port Using a Y-Splitter Cable,” page 69
.
Figure 8-1:
PS/2 Connector Location and Signals
Table 8-1:
PS/2 Connector Pinout
PS/2 DIN Pin
Signal
FPGA Pin
1
Primary data connection
PS2_DATA1
V11
2
Secondary data connection when using PS/2 splitter cable
PS2_DATA2
Y12
3
GND
GND
4
+5V
No Connection
5
Primary clock connection
PS2_CLK1
W12
6
Secondary data connection with using PS/2 splitter cable
PS2_CLK2
U11
1
5
3
2
4
6
270
Ω
270
Ω
PS2_DATA1:
(V11)
PS2_CLK1:
(W12)
UG334_c8_01_052407
Primary Connection
270
Ω
270
Ω
PS2_DATA2:
(Y12)
PS2_CLK2:
(U11)
Secondary Connection
(requires Y-splitter cable)
