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SAA7115 View Datasheet(PDF) - Philips Electronics

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SAA7115 Datasheet PDF : 214 Pages
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Table 12 Examples for field processing
SUBJECT
EXAMPLE 1(1)
EXAMPLE 2(2)(3)
EXAMPLE 3(2)(4)(5)
EXAMPLE 4(2)(4)(6)
FIELD SEQUENCE
FRAME/FIELD
1/1 1/2 2/1 1/1 1/2 2/1 2/2 1/1 1/2 2/1 2/2 3/1 3/2 1/1 1/2 2/1 2/2 3/1 3/2
ry Processed by task
A A ABABABBABBA B BA B BA
State of detected
ITU 656 FID
0 1 00101010101 0 10 1 01
a d TOGGLEflag
1
0
1
1
1
0
0
1
0
1
1
0
0 0(7) 1
1 1(7) 0
0
Bit D6 of SAV/EAV byte
0
1
0
0 1 0 1 1 0 1 1 0 0 0(7) 1 1 1(7) 0 0
in ire Requiredsequence
UP LO UP UP LO UP LO UP LO UP LO UP LO UP LO UP LO UP LO
conversion at the vertical ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓
scaler(8)
UP LO UP UP LO UP LO LO UP LO LO UP UP UP LO LO LO UP UP
Output(9)
O O O O O O O O O O O O O NO O O NO O O
Notes
lim u 1. Single task every field; OFIDC = 0; subaddress 90H at 40H; TEB[80H[5]] = 0.
2. Tasks are used to scale to different output windows, priority on task B after SWRST.
q 3. Both tasks at 12 frame rate; OFIDC = 0; subaddresses 90H at 43H and C0H at 42H.
4. In examples 3 and 4 OFIDC = 1, thus the association between input FID and tasks may be flipped, dependent on which time the SWRST is deasserted.
5. Task B at 23 frame rate constructed from neighbouring motion phases; task A at 13 frame rate of equidistant motion phases;
re re subaddresses 90H at 41H and C0H at 45H.
6. Task A and B at 13 frame rate of equidistant motion phases; subaddresses 90H at 41H and C0H at 49H.
7. Due to no data output for this field, the state of the prior field is hold.
8. It is assumed that input/output FID = 0 (= upper lines); UP = upper lines; LO = lower lines.
PNDA 9. O = data output; NO = no output.
 

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