Altera Nios Development Board Manuel d'utilisateur Page 7

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Altera Corporation vii
December 2004
Contents
About this Manual ................................................................................. iii
How to Find Information ....................................................................................................................... iii
How to Contact Altera ............................................................................................................................ iii
Typographic Conventions ...................................................................................................................... iv
Board Components ................................................................................. 1
Features ................................................................................................................................................... 1–1
General Description ............................................................................................................................... 1–1
Block Diagram .................................................................................................................................. 1–2
Default Reference Design ................................................................................................................ 1–2
Restoring the Default Reference Design to the Board ................................................................ 1–3
Nios Development Board Components ............................................................................................. 1–3
The Cyclone EP1C20 Device ................................................................................................................ 1–4
Flash Memory Device ........................................................................................................................... 1–5
CompactFlash Connector ..................................................................................................................... 1–6
SDRAM Device ...................................................................................................................................... 1–8
Dual SRAM Devices ............................................................................................................................ 1–10
Ethernet MAC/PHY ........................................................................................................................... 1–11
Expansion Prototype Connector (PROTO1) .................................................................................... 1–11
Expansion Prototype Connector (PROTO2) .................................................................................... 1–13
Mictor Connector ................................................................................................................................. 1–15
Serial Port Connectors ......................................................................................................................... 1–17
Dual 7-Segment Display ..................................................................................................................... 1–18
Push-Button Switches ......................................................................................................................... 1–19
Individual LEDs ................................................................................................................................... 1–19
Serial Flash Connector ........................................................................................................................ 1–19
Serial Configuration Device (EPCS4) ................................................................................................ 1–20
Configuration Controller Device (EPM7128AE) ............................................................................. 1–20
Reset Distribution ........................................................................................................................... 1–21
Starting Configuration ................................................................................................................... 1–21
Cyclone Configuration .................................................................................................................. 1–21
Configuration Data ........................................................................................................................ 1–22
Safe & User Configurations .......................................................................................................... 1–22
The Configuration-Status LEDs ...................................................................................................125
Configuration & Reset Buttons .................................................................................................... 1–26
Power-Supply Circuitry ...................................................................................................................... 1–28
Clock Circuitry ..................................................................................................................................... 1–28
JTAG Connectors ................................................................................................................................. 1–29
JTAG Connector to Cyclone Device (J24) ................................................................................... 1–29
JTAG Connector to EPM7128AE Device (J5) .............................................................................. 1–30
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