ep3c120f780c8nes Altera Corporation, ep3c120f780c8nes Datasheet - Page 28

• Manufacturer Part Number: ep3c120f780c8nes
• Description: Cyclone Iii Device Family
• Manufacturer: Altera Corporation

Cyclone III Device Family Overview
1–12
Cyclone III Device Handbook, Volume 1
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specific configuration and wake up time requirements of applications,
such as the 100 ms requirement in many automotive applications. Wake
up time can be adjusted by choosing a configuration option and selecting
a fast or standard power-on-reset time.
For more information, refer to the Configuring Cyclone III Devices chapter
in the Cyclone III Device Handbook.
Remote System Upgrades
Cyclone III devices offer remote system upgrade without an external
controller. Remote system upgrade capability in Cyclone III devices
allows deployment of system upgrades from a remote location. Soft logic
(either the Nios II embedded processor or user logic) implemented in a
Cyclone III device can download a new configuration image from a
remote location, store it in configuration memory, and direct the
dedicated remote system upgrade circuitry to initiate a reconfiguration
cycle. The dedicated circuitry performs error detection during and after
the configuration process, and can recover from an error condition by
reverting back to a safe configuration image, and provides error status
information. This feature supports serial and parallel flash configuration
topologies.
For more information, refer to the Remote System Upgrade chapter in the
Cyclone III Device Handbook.
Hot Socketing and Power-On-Reset
Cyclone III devices feature hot socketing, also known as hot plug-in or
hot swap, and power sequencing support without the use of external
devices. You can insert or remove a board populated with one or more
Cyclone III devices during system operation without causing undesirable
effects to the running system bus or the board that was inserted into the
system.
The hot socketing feature allows you to use FPGAs on printed circuit
boards (PCBs) that also contain a mixture of 3.3 V, 2.5 V, 1.8 V, 1.5 V, and
1.2 V devices. The Cyclone III devices hot socketing feature eliminates
power-up sequence requirements for other devices on the board for
proper FPGA operation.
For more information, refer to the Hot Socketing and Power-On Reset
chapter in the Cyclone III Device Handbook.
Altera Corporation-Preliminary
March 2007