Altera High-Speed Development Kit, Stratix GX Edition Manuel d'utilisateur Page 85

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Altera Corporation Quartus II Version 3.0 7–3
Diagnostic Test Details Standard Tests
Figure 7–1. User I/O Block Diagram
The design is divided into several modules that monitor the inputs,
generate the control signals, and drive the LEDs and logic analyzer
outputs:
Edge detection
Control logic
LED decode logic
Two shift registers
8
8
Control
Logic
7-Segment
Decoder
7-Segment
Decoder
LED
Decoder
PB0
PB1
PB2
PB3
User LEDs
Dipswitches
8
3
4
4
20-Bit Shift Register
32-Bit Shift Register
Divide by 2
20-Pin
Header
Mictor
Connector
PLL
20
32
Mictor Clocks
33 MHz
200 MHz
400 MHz
Reset
33-MHz
Crystal
Oscillator
Edge
Detector
Edge
Detector
Edge
Detector
Edge
Detector
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