REV. A

AD9847

–23–

20

0

12

0

1

VD

NOTES

1. VD FALLING EDGE WILL RESET THE PxGA GAIN REGISTER STEERING TO “012012” LINE.

2. HD FALLING EDGES WILL ALTERNATE THE PxGA GAIN REGISTER, STEERING BETWEEN “012012” AND “210210” LINES.

3. FLD STATUS IS IGNORED.

HD

10

2

X

X

PxGA GAIN

REGISTER

FLD

0

ODD FIELD

EVEN FIELD

22

0

0

12

0

1

10

2

0

2

0

Figure 16e. Three-Color Mode II

02

0

13

3

1

VD

NOTES

1. EACH LINE FOLLOWS “01230123” STEERING PATTERN.

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

3. FLD STATUS IS IGNORED.

HD

13

2

X

X

PxGA GAIN

REGISTER

FLD

0

ODD FIELD

EVEN FIELD

20

2

0

13

3

1

13

2

0

2

0

Figure 16f. Four-Color Mode

20

0

31

3

1

VD

NOTES

1. VD FALLING EDGE WILL RESET THE PxGA GAIN REGISTER STEERING TO “01230123” LINE.

2. HD FALLING EDGES WILL ALTERNATE THE PxGA GAIN REGISTER STEERING BETWEEN “01230123” AND “23012301” LINES.

3. FLD STATUS IS IGNORED.

HD

13

2

X

X

PxGA GAIN

REGISTER

FLD

0

ODD FIELD

EVEN FIELD

22

0

0

31

3

1

13

2

0

2

0

Figure 16g. Four-Color Mode II