REV. A

AD9847

–22–

22

0

33

1

1

VD

NOTES

1. VD FALLING EDGE WILL RESET THE PxGA GAIN REGISTER STEERING TO “0101” LINE.

2. HD FALLING EDGES WILL ALTERNATE THE PxGA GAIN REGISTER STEERING BETWEEN “0101” AND “2323” LINES.

3. FLD STATUS IS IGNORED.

HD

11

0

X

X

PxGA GAIN

REGISTER

FLD

0

ODD FIELD

EVEN FIELD

02

2

0

33

1

1

11

0

0

0

0

Figure 16a. Mosaic Separate Mode

00

0

11

1

1

VD

NOTES

1. FLD FALLING EDGE (START OF ODD FIELD) WILL RESET THE PxGA GAIN REGISTER STEERING TO “0101” LINE.

2. FLD RISING EDGE (START OF EVEN FIELD) WILL RESET THE PxGA GAIN REGISTER STEERING TO “2323“ LINE.

3. HD FALLING EDGES WILL RESET THE PxGA GAIN REGISTER STEERING TO EITHER “0” (FLD = ODD) OR “2” (FLD = EVEN).

HD

11

0

X

X

PxGA GAIN

REGISTER

FLD

0

ODD FIELD

EVEN FIELD

02

2

2

33

3

3

33

2

2

2

0

Figure 16b. Mosaic Interlaced Mode

11

0

22

1

1

VD

NOTES

1. VD FALLING EDGE WILL RESET THE PxGA GAIN REGISTER STEERING TO “0101” LINE.

2. HD FALLING EDGES WILL ALTERNATE THE PxGA GAIN REGISTER STEERING BETWEEN “0101” AND “1212” LINES.

3. ALL FIELDS WILL HAVE THE SAME PxGA GAIN STEERING PATTERN (FLD STATUS IS IGNORED).

HD

11

0

X

X

PxGA GAIN

REGISTER

FLD

0

ODD FIELD

EVEN FIELD

01

1

0

22

1

1

11

0

0

0

0

Figure 16c. Mosaic Repeat Mode

02

0

10

0

1

VD

NOTES

1. EACH LINE FOLLOWS “012012” STEERING PATTERN.

2. VD AND HD FALLING EDGES WILL RESET THE PxGA GAIN REGISTER STEERING TO “0.”

3. FLD STATUS IS IGNORED.

HD

10

2

X

X

PxGA GAIN

REGISTER

FLD

0

ODD FIELD

EVEN FIELD

20

2

0

10

0

1

10

2

0

2

0

Figure 16d. Three-Color Mode