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Dual 7-segment display, Dual 7-segment display –19 – Altera Nios Development Board User Manual

Page 27

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Altera Corporation

1–19

September 2004

Nios Development Board Reference Manual, Stratix Edition

Board Components

Figure 1–14. Console Serial Port Connector - J19

Figure 1–15. Debug Serial Port Connector - J27

Dual 7-Segment
Display

U8 and U9 are connected to the Stratix device so that each segment is
individually controlled by a general-purpose I/O pin. When the Stratix
pin drives logic 0, the corresponding LED turns on. See

Figure 1–16

for

Stratix device pin-out details.

Figure 1–16. Dual-Digit Display

The factory-programmed Nios II reference design includes parallel
input/output (PIO) registers and logic for driving this display.