TMC22x5yA
PRODUCT SPECIFICATION
Control Register Definitions (continued)
Comb Filter Control (0C)
7
6
5
4
3
2
1
0
ADAPT
YCES
YCSEL
COMB
Reg
Bit
Name
Description
Adaption mode. Sets the 3-line comb filter adaption mode in NTSC.
0C
7-6
ADAPT
ADAPT[1:0]
Function
00
Adapts to best of 3 types of line based comb filters in NTSC
only.
01
10
Adapts to the best of two field or frame based comb filters
in NTSC only.
3 line (tap) comb only. Never adapts to a 2 line (tap) filter.
The higher set of comb filter error signals are sent to the
XLUT. NTSC or PAL comb filter.
11
Adapts to best of two 3 line chroma comb filters in PAL only.
0C
5
YCES
YC input error signal control. Error signal control for YC input, luma comb.
YCES
Function
0
LPF and HPF error signal, between (0H & 1H) or (1H & 2H) in
NTSC or between (0H & 2H) in PAL,are sent to XLUT
1
LPF error signal, between (0H & 1H) and (1H & 2H) in NTSC or
between (0H & 2H) in PAL, are sent to XLUT
0C
0C
4
YCSEL
COMB
Luma/chroma comb filter select. Selects luma or chroma comb filter.
YCSEL
Function
0
1
Chroma comb filter
Luma comb filter
3-0
Comb filter architecture.
COMB
Function
YC or composite comb filter architectures
PAL or NTSC 3 line comb
NTSC 3 line comb (0H & 1H)
NTSC 3 line comb (1H & 2H)
NTSC 2 line comb (0H & 1H)
NTSC (2 line) field comb
NTSC or PAL field comb
NTSC (2 line) frame comb
NTSC frame comb
0000
0001
0010
0011
0100
0101
0110
0111
D1 comb filter architectures
3 line comb
3 line comb (0H & 1H)
3 line comb (1H & 2H)
3 line comb (0H & 2H)
(2 line) field comb
field or 2 line (0H & 1H) comb
(2 line) frame comb
frame comb
1000
1001
1010
1011
1100
1101
1110
1111
20
REV. 1.0.0 2/4/03
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
