Datasheet

TVP5150AM1

www.ti.com

SLES209E–NOVEMBER 2007– REVISED OCTOBER 2011

3.21.48 Interrupt Active Register B

Address 87h

7 6 5 4 3 2 1 0

Reserved Interrupt B

Interrupt B

0 = Interrupt B is not active on the external terminal (default).

1 = Interrupt B is active on the external terminal.

The interrupt active register B is polled by the external processor to determine if interrupt B is active.

3.21.49 Status Register #1

Address 88h

7 6 5 4 3 2 1 0

Peak white Line-alternating Field rate Lost lock detect Color Vertical sync Horizontal sync TV/VCR status

detect status status status subcarrier lock lock status lock status

status

Peak white detect status

0 = Peak white is not detected.

1 = Peak white is detected.

Line-alternating status

0 = Nonline alternating

1 = Line alternating

Field rate status

0 = 60 Hz

1 = 50 Hz

Lost lock detect

0 = No lost lock since status register #1 was last read.

1 = Lost lock since status register #1 was last read.

Color subcarrier lock status

0 = Color subcarrier is not locked.

1 = Color subcarrier is locked.

Vertical sync lock status

0 = Vertical sync is not locked.

1 = Vertical sync is locked.

Horizontal sync lock status

0 = Horizontal sync is not locked.

1 = Horizontal sync is locked.

TV/VCR status. TV mode is determined by detecting standard line-to-line variations and specific

chrominance SCH phases based on the standard input video format. VCR mode is determined by

detecting variations in the chrominance SCH phases compared to the chrominance SCH phases of the

standard input video format.

0 = TV

1 = VCR

Submit Documentation Feedback