Altera Nios Development Board - Manual (Page 7)

Altera Corporation vii
September 2004
Contents
About this Manual ................................................................................. iii
How to Find Information ....................................................................................................................... iii
How to Contact Altera ............................................................................................................................ iv
Typographic Conventions ........................................................................................................................ v
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 ................................................................ 1–2
Nios Development Board Components ............................................................................................. 1–3
The Stratix EP1S10 Device .................................................................................................................... 1–4
Flash Memory Device ........................................................................................................................... 1–4
CompactFlash Connector ..................................................................................................................... 1–5
SDRAM Device ...................................................................................................................................... 1–8
Dual SRAM Devices ............................................................................................................................ 1–10
Ethernet MAC/PHY ........................................................................................................................... 1–11
Expansion Prototype Connector (PROTO1) .................................................................................... 1–11
Expansion Prototype Connector (PROTO2) ................................................................................... 1–14
Mictor Connector ................................................................................................................................. 1–16
Serial Port Connectors ......................................................................................................................... 1–18
Dual 7-Segment Display ..................................................................................................................... 1–19
Push-Button Switches ......................................................................................................................... 1–20
Individual LEDs ................................................................................................................................... 1–20
Configuration Controller Device (EPM7128AE) ............................................................................. 1–21
Reset Distribution ........................................................................................................................... 1–21
Starting Configuration ................................................................................................................... 1–21
Stratix Configuration ..................................................................................................................... 1–21
Configuration Data ........................................................................................................................ 1–21
Safe & User Configurations .......................................................................................................... 1–22
Using Conventional Flash Memory ....................................................................................... 1–22
User Hardware Image ......................................................................................................... 1–23
Safe Hardware Image .......................................................................................................... 1–23
The Configuration-Status LEDs ................................................................................................... 1–24
Configuration & Reset Buttons .................................................................................................... 1–25
SW8 – CPU Reset ...................................................................................................................... 1–25
SW9 – Safe Config ..................................................................................................................... 1–26
SW10 – Reset, Config ................................................................................................................ 1–26
Power-Supply Circuitry ...................................................................................................................... 1–26