Document Revision History
Table 1–25 shows the revision history for this chapter.
Document
Revision History
Table 1–25. Document Revision History (Part 1 of 2)
Date and
Document
Version
Changes Made
Summary of Changes
July 2009,
v4.6
●
●
Updated “Manual Override”, “Manual Clock Switchover”,
and “Spread-Spectrum Clocking” sections.
Updated notes to Figure 1–20 and Figure 1–24.
●
●
Bothinclk0andinclk1
must be running when the
clkswitchsignal goes
high to initiate a manual
clock switchover.
Updated the spread
spectrum modulation
frequency from
(100 kHz–500 kHz) to
(30 kHz–150 kHz).
January 2008, Updated “External Clock Outputs” section.
—
—
—
—
v4.5
Added the “Referenced Documents” section.
Minor text edits.
No change
For the Stratix II GX Device Handbook only:
Formerly chapter 6. The chapter number changed due to the
addition of the Stratix II GX Dynamic Reconfiguration chapter.
No content change.
May 2007,
v4.4
Updated Table 7–6.
Updated notes to:
—
—
●
●
●
●
●
●
Figure 7–7
Figure 7–47
Figure 7–48
Figure 7–49
Figure 7–50
Figure 7–51
Updated the “Clock Source Control For Enhanced PLLs” sec-
tion.
—
Updated the “Clock Source Control for Fast PLLs” section.
—
—
—
February 2007 Added “Document Revision History” section to this chapter.
v4.3
Deleted paragraph beginning with “The Stratix II GX PLLs
have the ability...” in the “Enhanced Lock Detect Circuit” sec-
tion.
April 2006,
v4.2
Chapter updated as part of the Stratix II Device Handbook up-
date.
—
—
No change
Formerly chapter 5. Chapter number change only due to chap-
ter addition to Section I in February 2006; no content change.
1–92
Altera Corporation
July 2009
Stratix II Device Handbook, Volume 2
ALTERA [ ALTERA CORPORATION ]
