Altera Stratix III Development Board Manuel d'utilisateur télécharger pdf (Page 33)

Chapter 2: Board Components 2–25

Clocking Circuitry

May 2013 Altera Corporation Stratix III 3SL150 Development Board

Reference Manual

Table 2–18 lists PGM Config Select rotary switch component reference and

manufacturing information.

Clocking Circuitry

This section describes the Stratix III FPGA clocking inputs and outputs. The clocking

block comprises the following items:

■ High-speed clock oscillators:

■ 50-MHz, FPGA PLL input

■ 125-MHz FPGA PLL input

■ 125-MHz MAX II CPLD input

■ 24-MHz MAX II CPLD input

■ Reference clocks:

■ 6-MHz USB PHY reference clock (FTDI device)

■ 24-MHz USB PHY reference clock (Cypress device)

■ 25-MHz Ethernet PHY reference clock

■ SMA connectors for clocking input and output signals

Table 2–18. PGM Config Select Rotary Switch Component Reference and Manufacturing Information

Board Reference Description Manufacturer

Manufacturing

Part Number

Manufacturer

Website

SW3 Rotary switch Grayhill Corporation 94HCB16WT www.grayhill.com

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 81 82

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Altera Stratix III Development Board Manuel d'utilisateur Page 33