EP3C5E144C8N Datasheet, PDF (94/348 Pages) Altera Corporation – Ability to disable external JTAG port

5–34
Chapter 5: Clock Networks and PLLs in the Cyclone III Device Family
Document Revision History
Document Revision History
Table 5–11 lists the revision history for this document.
Table 5–11. Document Revision History (Part 1 of 2)
Date
November 2011
December 2009
July 2009
June 2009
October 2008
May 2008
September 2007
Version
Changes
■ Minor edits to Equation 5–1 and Equation 5–2.
■ Updated Table 5–5.
4.0 ^{■ 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.
3.2 Minor changes to the text.
3.1 Made minor correction to the part number.
■ Updated to include Cyclone III LS information.
■ Updated chapter part number.
■ Updated “Clock Networks” on page 5–1.
3.0 ■ 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.
■ Updated the “Dynamic Phase Shifting” and “Introduction” sections.
2.1 ■ Updated Figure 5–2, Figure 5–8, and Figure 5–24.
■ Updated chapter to new template.
■ 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.
2.0 ■ 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.
1.2 ■ Updated “Board Layout” section and removed Figure 5-30.
Cyclone III Device Handbook
Volume 1
December 2011 Altera Corporation