1–8
Reference Manual
Altera Corporation
Cyclone II FPGA Starter Development Board
October 2006
Introduction
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FineLine BGA 484-pin package
Serial Configuration Device and USB Blaster Circuit
■
Altera EPCS4 serial configuration device
■
On-board USB-Blaster chip set for programming
and user API control
■
Selectable JTAG and AS programming modes
SRAM
■
512-KByte static RAM memory chip
■
Organized as 256K x 16 bits
■
Accessible as memory for the Nios II processor
and by the Control Panel GUI
SDRAM
■
8-MByte single data rate synchronous dynamic RAM memory chip
■
Organized as 1M x 16 bits x 4 banks
■
Accessible as memory for the Nios II processor
and by the Control Panel GUI
Flash Memory
■
4-MByte NOR flash memory
■
8-bit data bus
■
Accessible as memory for the Nios II processor
and by the Control Panel GUI
SD Card Socket
■
Provides SPI mode for SD card access
■
Accessible as memory for the Nios II processor
with the DE1 SD Card Driver
Push Button Switches
■
4 push button switches
■
Debounced by a Schmitt trigger circuit
■
Normally HIGH; generates one active-LOW pulse
when the switch is pressed
Toggle Switches
■
10 toggle switches for user inputs