Datasheet

2−39
2.20.44 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
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:
000 = No copy protection
001 = AGC process present (Macrovision Type 1 present)
010 = Colorstripe process Type 2 present
011 = AGC process and colorstripe process Type 2 present
100 = Reserved
101 = Reserved
110 = Colorstripe process Type 3 present
111 = AGC process and color stripe process Type 3 present
2.20.45 Status Register #3
Address 8Ah
7 6 5 4 3 2 1 0
Front-end AGC gain value (analog and digital)
†
†
Represents 8 bits (MSB) of a 10-bit value
This register provides the front-end AGC gain value of both analog and digital gains.