Altera Cyclone III FPGA Manuel d'utilisateur Page 13

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Altera Corporation 2–5
April 2012 Cyclone III FPGA Starter Board Reference Manual
Board Components and Interfaces
Featured
Device
The Cyclone III FPGA Starter Kit features the EP3C25F324 device (U1) in
a 324-pin FineLine BGA (FBGA) package. Table 2–2 lists Cyclone III
device features.
Clock Circuitry
Oscillator Clock Y1 50-MHz clock oscillator used for the system
clock.
2–6
Power Supply
InputDC power
jack
J2 12-V DC unregulated power source. 2–19
InputPower switch SW1Switches the board’s power on and off. 2–19
Probe point Current sense
resistor
JP6 Measure FPGA core power with current
sense resistor.
N/A
Probe point Current sense
resistor
JP3 Measure 2.5-V I/O power (shared between
devices) with current sense resistor.
N/A
Table 2–1. Cyclone III FPGA Starter Board (Part 2 of 2)
Type
Component/
Interface
Board Reference Description Page
Table 2–2. Cyclone III Device Features
Architectural
Feature
Results
Altera’s
third-generation of
low-cost FPGAs
Lowest overall FPGA system cost available
Staggered I/O ring to decrease die area
Wide range of low-cost packages
Support for low-cost serial and parallel flash for configuration options
Lowest power
consumption
FPGA available
Based on the TSMC’s low-power 65nm process
Supports hot-socketing
Unused I/O banks can be powered down
Extends battery life for portable or hand-held applications
Eliminates or reduces cooling system costs
Increased system
integration
Densities up to 119,088 logic elements
High memory-to-logic ratio
Highest multiplier-to-logic ratio in the industry
Up to four dynamically reconfigurable, cascadable phase-locked-loops (PLLs), each
with up to five outputs
Multi-value on-chip termination (OCT) support with calibration feature.
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