CS4955-CQZ View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CS4955-CQZ

NTSC/PAL Digital Video Encoder

Cirrus Logic 

CS4954 CS4955

Wide Screen Signalling Register 1

Address

Bit Number

Bit Name

Default

0×1F

7

WSS_15

0

WSS_REG_1 Read/Write

6

WSS_14

0

5

WSS_13

0

4

WSS_12

0

Default Value = 00h

3

WSS_11

0

2

WSS_10

0

Bit

Mnemonic

Function

7

WSS_15

PAL: group 2, bit 7, NTSC: bit 16

6

WSS_14

PAL: group 2, bit 6, NTSC: bit 15

5

WSS_13

PAL: group 2, bit 5, NTSC: bit 14

4

WSS_12

PAL: group 2, bit 4, NTSC: bit 13

3

WSS_11

PAL: group 1, bit 3, NTSC: bit 12

2

WSS_10

PAL: group 1, bit 2, NTSC: bit 11

1

WSS_9

PAL: group 1, bit 1, NTSC: bit 10

0

WSS_8

PAL: group 1, bit 0, NTSC: bit 9

1

WSS_9

0

0

WSS_8

0

Wide Screen Signalling Register 2

Address

Bit Number

Bit Name

Default

0×20

7

WSS_7

0

WSS_REG_2 Read/Write

6

WSS_6

0

5

WSS_5

0

4

WSS_4

0

Default Value = 00h

3

WSS_3

0

2

WSS_2

0

Bit

Mnemonic

Function

7

WSS_7

PAL: don’t care, NTSC: bit 8

6

WSS_6

PAL: don’t care, NTSC: bit 7

5

WSS_5

PAL: don’t care, NTSC: bit 6

4

WSS_4

PAL: don’t care, NTSC: bit 5

3

WSS_3

PAL: don’t care, NTSC: bit 4

2

WSS_2

PAL: don’t care, NTSC: bit 3

1

WSS_1

PAL: don’t care, NTSC: bit 2

0

WSS_0

PAL: don’t care, NTSC: bit 1

1

WSS_1

0

0

WSS_0

0

Filter Register 0

Address

0×22

CB_AMP

Read/Write

Default Value = 80h

Bit Number

Bit Name

Default

7

6

5

4

3

2

1

0

U_AMP

1

0

0

0

0

0

0

0

Bit

Mnemonic

7:0

U_AMP U(Cb) amplitude coefficient

Function

DS278F6

47

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