SECAM 2x10-Bit Digital Video Decoder (Rev. A

Functional Description

SLES140A—March 2007 TVP5147M1PFP

2.11.8 Luminance Processing Control 2 Register

Subaddress 07h

Default 00h

7 6 5 4 3 2 1 0

Luma filter select [1:0] Reserved Peaking gain [1:0] Reserved

Luma filter selected [1:0]:

00 = Luminance adaptive comb enabled (default on CVBS)

01 = Luminance adaptive comb disabled (trap filter selected)

10 = Luma comb/trap filter bypassed (default on S-video, component mode, and SECAM)

11 = Reserved

Peaking gain [1:0]:

00 = 0 (default)

01 = 0.5

10 = 1

11 = 2

2.11.9 Luminance Processing Control 3 Register

Subaddress 08h

Default 02h

7 6 5 4 3 2 1 0

Reserved Trap filter select [1:0]

Trap filter select [1:0] selects one of the four trap filters to produce the luminance signal by removing the

chrominance signal from the composite video signal. The stop band of the chroma trap filter is centered at the

chroma subcarrier frequency with the stop-band bandwidth controlled by the two control bits.

Trap filter stop-band bandwidth (MHz):

Filter select [1:0]

NTSC ITU-R BT.601 PAL ITU-R BT.601

00 = 1.2129 1.2129

01 = 0.8701 0.8701

10 = (default) 0.7183 0.7383

11 = 0.5010 0.5010

2.11.10 Luminance Brightness Register

Subaddress 09h

Default 80h

7 6 5 4 3 2 1 0

Brightness [7:0]

Brightness [7:0]: This register works for CVBS, S-video, and component video luminance.

1111 1111 = 255 (bright)

1000 0000 = 128 (default)

0000 0000 = 0 (dark)