P0304 Terasic Technologies Inc, P0304 Datasheet - Page 39

• Manufacturer Part Number: P0304
• Description: DE2-70 CALL FOR ACADEMIC PRICING
• Manufacturer: Terasic Technologies Inc
• Type: FPGAr

Specifications of P0304

• Contents: DE2-70 Board, Power Supply, Cables, Plastic cover and software
• For Use With/related Products: Cyclone II 2C70
• For Use With: P0033 - BOARD ADAPTER HSMC TO GPIOP0006 - BOARD ADAPTER THDB-SUMP0001 - MODULE DIGITAL CAMERA 5MP (D5M)P0307 - KIT DEV 4.3" LCD TOUCH PANEL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: DE2-70

5.3 Using the 7-segment Displays
The DE2-70 Board has eight 7-segment displays. These displays are arranged into two pairs and a
group of four, with the intent of displaying numbers of various sizes. As indicated in the schematic
in Figure 5.6, the seven segments are connected to pins on the Cyclone II FPGA. Applying a low
logic level to a segment causes it to light up, and applying a high logic level turns it off.
Each segment in a display is identified by an index from 0 to 6, with the positions given in Figure
5.7. In addition, the decimal point is identified as DP. Table 5.4 shows the assignments of FPGA
pins to the 7-segment displays.
Figure 5.7. Position and index of each segment in a 7-segment display.
Signal Name
HEX0_D[0]
HEX0_D[1]
HEX0_D[2]
LEDG[7]
LEDG[8]
Figure 5.6. Schematic diagram of the 7-segment displays.
Table 5.3. Pin assignments for the LEDs.
FPGA Pin No.
PIN_ AA24
PIN_ AC14
PIN_AE8
PIN_AF9
PIN_AH9
5
4
0
6
3
36
1
2
Seven Segment Digit 0[0]
Seven Segment Digit 0[1]
Seven Segment Digit 0[2]
DP
LED Green[7]
LED Green[8]
Description
DE2-70 User Manual