CS4954-CQ Cirrus Logic Inc, CS4954-CQ Datasheet - Page 3

• Manufacturer Part Number: CS4954-CQ
• Description: Digital Video Encoder IC
• Manufacturer: Cirrus Logic Inc

Specifications of CS4954-CQ

• No. Of Pins: 48
• Peak Reflow Compatible (260 C): No
• Ic Function: Digital Video Encoder IC
• Leaded Process Compatible: No
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

DS278PP4
6.
7.
8.
9.
10. PIN DESCRIPTION ......................................................................................................... 53
11. PACKAGE DRAWING ...................................................................................................... 55
5.11. Teletext Support ..................................................................................................... 23
5.12. Color Bar Generator ............................................................................................... 25
5.13. VBI encoding .......................................................................................................... 25
5.14. Super White/Super Black support .......................................................................... 26
5.15. Interrupts ................................................................................................................ 26
5.16. General Purpose I/O Port ....................................................................................... 26
FILTER RESPONSES ...................................................................................................... 27
ANALOG .......................................................................................................................... 30
7.1.
7.2.
7.3.
7.4.
PROGRAMMING .............................................................................................................. 32
8.1.
8.2.
BOARD DESIGN AND LAYOUT CONSIDERATIONS .................................................... 50
9.1.
9.2.
9.3.
9.4.
9.5.
9.6.
9.7.
Analog Timing ........................................................................................................ 30
VREF ...................................................................................................................... 30
ISET ....................................................................................................................... 30
DACs ...................................................................................................................... 30
7.4.1. Luminance DAC .......................................................................................... 30
7.4.2. Chrominance DAC ...................................................................................... 30
7.4.3. CVBS DAC .................................................................................................. 31
7.4.4. Red DAC ..................................................................................................... 31
7.4.5. Green DAC .................................................................................................. 31
7.4.6. Blue DAC ..................................................................................................... 31
Host Control Interface ............................................................................................ 32
8.1.1. I
8.1.2. 8-bit Parallel Interface ................................................................................. 33
Register Description ............................................................................................... 34
8.2.1. Control Registers ......................................................................................... 34
Power and Ground Planes ..................................................................................... 50
Power Supply Decoupling ...................................................................................... 50
Digital Interconnect ................................................................................................ 50
Analog Interconnect ............................................................................................... 50
Analog Output Protection ....................................................................................... 51
ESD Protection ....................................................................................................... 51
External DAC Output Filter ..................................................................................... 51
2
C Interface ................................................................................................ 32
CS4954 CS4955
3