Datasheet

SLES084C − August 2007 TVP5146

2.11.14 Chrominance Processing Control 1 Register

Subaddress 0Dh

Default 00h

7 6 5 4 3 2 1 0

Reserved Color PLL reset

Chrominance adaptive

comb enable

Reserved Automatic color gain control [1:0]

Color PLL reset:

0 = Color subcarrier PLL not reset (default)

1 = Color subcarrier PLL reset

Chrominance adaptive comb enable: This bit is effective on composite video only.

0 = Enabled (default)

1 = Disabled

Automatic color gain control (ACGC) [1:0]:

00 = ACGC enabled (default)

01 = Reserved

10 = ACGC disabled, ACGC set to the nominal value

11 = ACGC frozen to the previous set value

2.11.15 Chrominance Processing Control 2 Register

Subaddress 0Eh

Default 0Eh

7 6 5 4 3 2 1 0

Reserved PAL compensation WCF Chrominance filter select [1:0]

PAL compensation:

0 = Disabled

1 = Enabled (default)

WCF: Wideband chroma LPF filter

0 = Disabled

1 = Enabled (default)

Chrominance filter select [1:0]:

00 = Disabled

01 = Notch 1

10 = Notch 2 (default)

11 = Notch 3

See Figure 2−8 through Figure 2−11 for characteristics.

2.11.16 Component Pr Saturation Register

Subaddress 10h

Default 80h

7 6 5 4 3 2 1 0

Pr saturation [7:0]

Pr saturation [7:0]: This register works only with YPbPr component video. For RGB video, user

must use the AFE gain registers.

1111 1111 = 255 (maximum)

1000 0000 = 128 (default)

0000 0000 = 0 (minimum)