Datasheet

Functional Description
41
May 2006 SLES043A
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/VCR mode is determined by counting the total number of lines/frame. The mode switches
to VCR for nonstandard number of lines]:
0 = TV
1 = VCR
3.22.40 Status Register #2
Address 89h
7 6 5 4 3 2 1 0
Reserved
Weak signal
detection
PAL switch
polarity
Field sequence
status
AGC and offset frozen
status
Reserved Macrovision detection
Weak signal detection:
0 = No weak signal
1 = Weak signal mode
PAL switch polarity of first line of odd field:
0 = PAL switch is 0
1 = PAL switch is 1
Field sequence status:
0 = Even field
1 = Odd field
AGC and offset frozen status:
0 = AGC and offset are not frozen.
1 = AGC and offset are frozen.
Macrovision detection:
00 = No copy protection
01 = AGC pulses/pseudo-syncs present
10 = AGC pulses/pseudo-syncs and 2-line color striping present
11 = AGC pulses/pseudo-syncs and 4-line color striping present