Altera Nios Cyclone II Edition Reference Manual page 15

Table 2–1. Nios Development Board, Cyclone II Edition Components & Interfaces (Continued)
Board Designation
SW9
SW10
LED0 – LED3, LED6
Clock Circuitry
Y2
J4
Power Supply
J26
D34
J28, J29, J30, J33 (and
more)
Cyclone II
EP2C35 Device
(U62)
Altera Corporation
May 2007
Name
Factory Config button
Reset, Config
Configuration status LEDs
Oscillator
External clock input
DC power jack
Bridge rectifier
Optional Power Supply
The sections that follow describe each component in detail.
U62 is a Cyclone II FPGA in a 672-pin FineLine BGA
Depending on the board revision, the part number is EP2C35F672C5 or
EP2C35F672C5N. Table 2–2
Table 2–2. Cyclone II EP2C35 Device Features
LEs
M4K Memory Blocks
Total RAM Bits
Embedded 18x18 Multiplier Blocks
PLLs
User I/O Pins
1
Preproduction builds of the Nios Development Board, Cyclone
II Editon have an EP2C35F6728ES device.
Reference Manual
Description
Push-button switch to reconfigure the FPGA with the
factory-programmed reference design.
Push-button switch to reset the board.
LEDs that display the current configuration status of
the FPGA.
50 MHz clock signal driven to FPGA.
Connector to FPGA clock pin.
16V DC unregulated power source.
Power rectifier allows for center-negative or center-
positive power supplies.
External power supply can be connected for high-
current applications.
lists the device features.
33,216
105
483,840
35
4
475
Nios Development Board Cyclone II Edition
Board Components
®
package.
2–3