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CS4954_06 Datasheet, PDF (59/60 Pages) Cirrus Logic – NTSC/PAL Digital Video Encoder
CS4954 CS4955
12. REVISION HISTORY
Revision
Date
Change
F1
July 1999
Initial release
F2
April 2004
Corrected List of Figures
F3 September 2004 Added lead free package option (CS4955).
F4
August 2005
Updated ordering information. Added lead-free package for CS4954; deleted CQ
packages; updated Revision History and Legal notice.
- Changed operating temperature range in “Description” on page 1 to -40 to 85° C
- Changed operating temperature range in “RECOMMENDED Operating Condi-
tions” on page 6
- Changed operating temperature range in “Ordering Information” on page 2.
- Changed Allowable Junction Temperature specification and added note to “Ther-
mal Characteristics” on page 6
- Revised description in “Progressive Scan” on page 18.
F5
July 2006
- Revised descriptions in “Luminance DAC” on page 32, “Chrominance DAC” on
page 33, “CVBS DAC” on page 33, “Red DAC” on page 33, “Green DAC” on
page 33 and “Blue DAC” on page 33.
- Added “DAC Useage Rules” on page 34 and revised text in that section.
- Revised bit 3 “Function” description for “Control Register 0” on page 38.
- Revised “Function” descriptions for “Control Register 5” on page 42.
- Added note to clarify DAC loading to Figure 31 on page 55.
- Revised text throughout the document to correct content and grammar.
Added “This port can operate in standard (up to 100 kb/sec) or fast (up to 400 kb/sec)
F6 September 2006 modes” in Section 4.10 on page 14.
Updated SCL Frequency values in Timing Characteristics table on page 9.
DS278F6
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