EP3C80 datasheet(94/274 Pages) ALTERA

94 / 274 page

5–34

Chapter 5: Clock Networks and PLLs in the Cyclone III Device Family

Document Revision History

Cyclone III Device Handbook

July 2012

Altera Corporation

Volume 1

Document Revision History

Table 5–11 lists the revision history for this document.

Table 5–11. Document Revision History (Part 1 of 2)

Date

Version

Changes

July 2012

4.1

Updated Figure 5–2.

November 2011

4.0

■ Minor edits to Equation 5–1 and Equation 5–2.

■ Updated Table 5–5.

■ Updated Figure 5–6, Figure 5–13, Figure 5–19, and Figure 5–24.

■ Updated “Clock Control Block” on page 5–4, “Manual Override” on page 5–20, “PLL

Cascading” on page 5–24, and “Dynamic Phase Shifting” on page 5–31.

■ Minor text edits.

December 2009

3.2

Minor changes to the text.

July 2009

3.1

Made minor correction to the part number.

June 2009

3.0

■ Updated to include Cyclone III LS information.

■ Updated chapter part number.

■ Updated “Clock Networks” on page 5–1.

■ Updated Table 5–1 on page 5–2, Table 5–3 on page 5–9.

■ Updated “PLLs in the Cyclone III Device Family” on page 5–9.

■ Updated “PLL Reconfiguration Hardware Implementation” on page 5–25.

■ Updated “Spread-Spectrum Clocking” on page 5–32.

October 2008

2.1

■ Updated the “Dynamic Phase Shifting” and “Introduction” sections.

■ Updated Figure 5–2, Figure 5–8, and Figure 5–24.

■ Updated chapter to new template.

May 2008

2.0

■ Updated Figure 5–2 and added (Note 3).

■ Updated “clkena Signals” section.

■ Updated Figure 5–8 and added (Note 3).

■ Updated “PLL Control Signals” section.

■ Updated “PLL Cascading” section.

■ Updated “Cyclone III PLL Hardware Overview” section.

■ Updated Table 5–6, Table 5–3, Table 5–7.

■ Updated Figure 5–14.

■ Updated “PLL Cascading” section.

■ Updated “Clock Multiplication and Division” section.

■ Updated Step 6–32 in “PLL Reconfiguration Hardware Implementation” section.

■ Updated “Spread-Spectrum Clocking” section.

■ Updated Figure 5–29.

■ Updated “VCCD and GND” section.

■ Added “Power Consumption” section.

September 2007

1.2

■ Updated “Board Layout” section and removed Figure 5-30.

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