CDB4955A Cirrus Logic Inc, CDB4955A Datasheet - Page 5

• Manufacturer Part Number: CDB4955A
• Description: EVALUATION BOARD FOR CS4955A
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4955A

• Main Purpose: Video, Video Processing
• Embedded: Yes, Other
• Utilized Ic / Part: CS4955
• Primary Attributes: NTSC/PAL Digital Video Encoder
• Secondary Attributes: Graphical User Interface, RS-232 Interface
• Operating Frequency: 27 MHz
• Interface Type: RS-232, Composite, RGB, S-Video
• Operating Supply Voltage: 3.3 V, 5 V
• Software: Software Included
• Silicon Manufacturer: Cirrus Logic
• Silicon Core Number: CS4955
• Kit Application Type: Audio / Video / TV
• Application Sub Type: Encoder / Decoder
• Kit Contents: Evaluation Board
• Rohs Compliant: No
• For Use With/related Products: CS4954
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

LIST OF FIGURES
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Video Pixel Data and Control Port Timing ..................................................................8
I²C Host Port Timing ...................................................................................................9
Reset Timing.............................................................................................................10
ITU R.BT601 Input Slave Mode Horizontal Timing ...................................................16
ITU R.BT601 Input Master Mode Horizontal Timing.................................................16
Vertical Timing ..........................................................................................................18
NTSC Video Interlaced Timing .................................................................................19
PAL Video Interlaced Timing ....................................................................................20
NTSC Video Non-Interlaced Progressive Scan Timing ............................................21
CCIR656 Input Mode Timing ..................................................................................22
Teletext Timing (Window Mode) .............................................................................25
I²C Protocol.............................................................................................................35
External Low Pass Filter .........................................................................................54
PAL Video Non-Interlaced Progressive Scan Timing .............................................22
Teletext Timing (Pulsation Mode) ...........................................................................25
1.3 MHz Chrominance low-pass filter transfer characteristic..................................29
1.3 MHz Chrominance low-pass filter transfer characterstic (passband) ...............29
650 kHz Chrominance low-pass filter transfer characteristic ..................................29
650 kHz Chrominance low-pass filter transfer characteristic (passband) ...............29
Chrominance output interpolation filter transfer characteristic (passband).............30
Luminance interpolation filter transfer characteristic ..............................................30
Luminance interpolation filter transfer characterstic (passband) ............................30
Chrominance interpolation filter transfer characteristic for RGB datapath..............30
Chroma Interpolator for RGB Datapath when rgb_bw=1 (Reduced Bandwidth) ....31
Chroma Interpolator for RGB Datapath when rgb_bw=1 (Reduced Bandwidth) ....31
Chroma Interpolator for RGB Datapath when rgb_bw=0 -3 dB ..............................31
Chroma Interpolator for RGB Datapath when rgb_bw=0 (Full Scale).....................31
8-bit Parallel Host Port Timing: Read-Write/Write-Read Cycle...............................35
8-bit Parallel Host Port Timing: Address Read Cycle .............................................36
8-bit Parallel Host Port Timing: Address Write Cycle .............................................36
Typical Connection Diagram...................................................................................55
CS4954 CS4955
DS278F6