DK-NIOS-2C35N Altera, DK-NIOS-2C35N Datasheet - Page 48

• Manufacturer Part Number: DK-NIOS-2C35N
• Description: NIOS II KIT W/CYCLONE II EP2C35N
• Manufacturer: Altera
• Series: Cyclone® IIr
• Type: Nios®IIr

Specifications of DK-NIOS-2C35N

• Contents: Eval Board, Design Apps, Software, Cables and Accessories
• For Use With/related Products: Cyclone ll 2C35N
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 544-1698; DK-NIOS-2C35N

Board Components
2–36
Nios Development Board Cyclone II Edition
Figure 2–17. Reset, Config Button
Reset Distribution
The EPM7256AE device takes a power-on reset pulse from the Linear
Technologies 1326 power-sense/reset-generator chip (U18) and
distributes it (through internal logic) to other reset pins on the board, that
include the following:
■
■
■
■
Starting Configuration
The following four methods start a configuration sequence:
1.
2.
3.
4.
Factory & User Configurations
The configuration controller can manage two separate FPGA
configurations stored in flash memory U5. These two configurations are
referred to as the factory configuration and the user configuration. A
LAN91C111 (Ethernet MAC/PHY) reset
Flash memory reset
CompactFlash reset
Reset signals delivered to the expansion prototype connectors
(PROTO1 & PROTO2)
Board power-on
Pressing the Reset, Config button (SW10).
Asserting (driving 0 volts on) the pld_reconfigreq_n input pin
of the EPM7256AE device (U3 pin 94) from the FPGA (U62 pin
AA14).
Pressing the Factory Config button (SW9).
Reference Manual
SW10
Reset,
Config
Altera Corporation
May 2007