P0059 Terasic Technologies Inc, P0059 Datasheet - Page 56

• Manufacturer Part Number: P0059
• Description: DE2-115 EVAL BOARD
• Manufacturer: Terasic Technologies Inc
• Series: Cyclone® IVr
• Type: FPGAr

Specifications of P0059

• Contents: Board, Cables, CD, DVD, Power Adapter, Remote Controller
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: EP4CE115

4
The DE2-115 board includes a standard PS/2 interface and a connector for a PS/2 keyboard or
mouse.
keyboard and mouse on the DE2-115 board simultaneously by plugging an extension PS/2 Y-Cable
(See
appropriate search on various educational websites. The pin assignments for the associated interface
are shown in
should be “PS2_CLK” and “PS2_DAT”
Signal Name
UART_RXD
UART_TXD
UART_CTS
UART_RTS
4
.
.
1
1
3
Figure
3
Note: If users connect only one PS/2 equipment, the PS/2 interface between FPGA I/O
P
Figure 4-25
P
S
S
/
/
4-26). Instructions for using a PS/2 mouse or keyboard can be found by performing an
Table
2
2
Figure 4-24 Connections between FPGA and ZT3232 (RS-232) chip
S
S
e
e
4-19.
r
shows the schematic of the PS/2 circuit. In addition, users can use the PS/2
r
FPGA Pin No.
PIN_G12
PIN_G9
PIN_G14
PIN_J13
i
i
a
a
Figure 4-25 Connection between FPGA and PS/2
l
l
P
P
Table 4-18 RS-232 Pin Assignments
o
o
r
r
t
t
Description
UART Receiver
UART Transmitter
UART Clear to Send
UART Request to Send
.
55
I/O Standard
3.3V
3.3V
3.3V
3.3V