ML6440
PREAMBLE
DATA ADDRESS (B3)HEX
DATA (D[7:0]2)
Table 1. Serial Data Format
BIT
D7
D6
D5
D4
D3
D2
D1
D0
Mode—Function
Y+C or CV Adaption
Adaption
Threshold
1
Adaption
Threshold
0
Comb
Mode
1
Comb
Mode
0
Square Pixel/
CCIR601
Select
PAL
or NTSC
Select
Select
Threshold
2
Value
Y+C = 1
CV = 0
AT2 = 0
or 1
AT1 = 0
or 1
AT0 = 0
or 1
CM1 = 0
or 1
CM0 = 0
or 1
Sq. Pixel = 1
CCIR601 = 0 NTSC = 0
PAL = 1
Parallel Mode
Input Pin
CI7/DI7
CI6/DI6
CI5/DI5
CI4/DI4
CI3/DI3
CI2/DI2
CI1/DI1 CI0/DI0
Table 2. Control Register Format D[7:0] (Serial or Parallel Mode)
STANDARD/RATE
CCIR601
SQUARE PIXEL
NTSC (fSC = 3.58MHz)
PAL (fSC = 4.43MHz)
13.5MHz
13.5MHz
12.27MHz
14.75MHz
Table 3. Clock Frequency Requirements
ADAPTION THRESHOLD D[6,5,4]
ADAPTIONTHRESHOLD LEVEL
000
001
Automatic threshold for minimal comb artifact generation for various video
source material.
Threshold for computer graphics applications, minimizing dot crawl on
bold lettering.
010 to 110
111
Various degrees of thresholds.
Threshold for better reproduction of natural photographic images.
Table 4. Adaption Threshold BitTable
COMB MODE, D[3,2]
NTSC
PAL
00
01
10
Y adaptive, C comb 100% active
Y adaptive, C adaptive
Y adaptive, C adaptive
Y adaptive, C comb 100% active
Y 100% comb active, C 100% comb active
Y 100% comb active, C 100% comb active
Not recommended due reduced performance
11
Bandsplitting only (no combing)
Bandsplitting only (no combing)
Table 5. Comb Mode Bit Table
8
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
