VP520SCG datasheet(7/16 Pages) MITEL

7 / 16 page

VP520S

A: Horizontal Luminance Store

This is a 24 byte RAM and coefficients will be stored as follows.

The full sequence is obtained by writing to Address 1, twenty

four times and supplying the required data.

Mode

Addresses

Coefficient Set

CCIR -> CIF

0-7

CCIR -> QCIF

0-15

CIF -> CCIR

0-5

6-11

QCIF -> CCIR

0-5

6-11

12-17

18-23

B: Horizontal Chrominance Store

This is a 16 byte RAM and coefficients will be stored as follows,

by writing to Address 2 the required number of times.

Mode

Addresses

Coefficient Set

CCIR -> CIF

0-7

CCIR -> QCIF

0-15

CIF -> CCIR

0-3

4-7

QCIF -> CCIR

0-3

4-7

8-11

12-15

C: Vertical Luminance Store

This is a 70 byte RAM and coefficients will be stored by writing

to Address 5 the required number of times.

Mode

Addresses

Coefficient Set

625 line -> CIF

0-4

525 line -> CIF

0-4

5-9

10-14

15-19

20-24

25-29

625 -> QCIF

0-6

525 -> QCIF

0-6

7-13

14-20

21-27

28-34

35-41

CIF -> 625 line

0-4

1, even field

5-9

1, odd field

CIF -> 525 line

0-4

1, even field

5-9

2, even field

10-14

3, even field

15-19

4, even field

20-24

5, even field

25-29

not used

30-34

1, odd field

35-39

not used

40-44

2, odd field

45-49

3, odd field

50-54

4, odd field

55-59

5, odd field

QCIF -> 625 line

0-6

1, even field

7-13

2, even field

14-20

1, odd field

21-27

2, odd field

OCIF -> 525 line

0-6

1, even field

7-13

2, even field

14-20

3, even field

21-27

4, even field

28-34

5, even field

35-41

1, odd field

42-48

2, odd field

49-55

3, odd field

56-62

4, odd field

63-69

5, odd field

D: Vertical Chrominance Store

This is a 140 byte RAM and coefficients will be stored by

writing to Address 6 the required number of times.

Mode

Addresses

Coefficient Set

625 line -> CIF

0-4

525 line -> CIF

0-4

5-9

10-14

625 line -> QCIF

0-6

525 line -> QCIF

0-6

7-13

14-20

CIF -> 625 line

0-4

1, even field

5-9

2, even field

10-14

1, odd field

15-19

2, odd field

CIF -> 525 line

0-4

1, even field

5-9

2, even field

10-14

3, even field

15-19

4, even field

20-24

5, even field

25-29

not used

30-34

1, odd used

35-39

not used

40-44

2, odd field

45-49

3, odd field

50-54

4, odd field

55-59

5, odd field

QCIF -> 525 line

0-6

1, even field

7-13

2, even field

14-20

3, even field

21-27

4, even field

28-34

5, even field

35-41

6, even field

42-48

7, even field

49-55

8, even field

56-62

9, even field

63-69

10, even field

70-76

1, odd field

77-83

2, odd field

84-90

3, odd field

91-97

4, odd field

98-104

5, odd field

105-111

6, odd field

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