Revision history – Cirrus Logic CS4955 User Manual

Page 59

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CS4954 CS4955

DS278F6

59

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.

F5

July 2006

- 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

.

- 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.

F6

September 2006

Added “This port can operate in standard (up to 100 kb/sec) or fast (up to 400 kb/sec)
modes” in Section 4.10 on page 14.
Updated SCL Frequency values in Timing Characteristics table on page 9.

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