Datasheet

Functional Description
42
May 2006SLES043A
3.22.41 Status Register #3
Address 8Ah
7 6 5 4 3 2 1 0
AGC gain
AGC gain:
0000 0000 = −6 dB
0100 0000 = −3 dB
1000 0000 = 0 dB
1100 0000 = 3 dB
1111 1111 = 6 dB
3.22.42 Status Register #4
Address 8Bh
7 6 5 4 3 2 1 0
Subcarrier to horizontal (SCH) phase
SCH (color PLL subcarrier phase at 50% of the falling edge of horizontal sync of line one of odd field; step
size 360_/256):
0000 0000 = 0.00_
0000 0001 = 1.41_
0000 0010 = 2.81_
1111 1110 = 357.2_
1111 1111 = 358.6_
3.22.43 Status Register #5
Address 8Ch
7 6 5 4 3 2 1 0
Autoswitch mode Reserved Video standard Sampling rate
This register contains information about the detected video standard and the sampling rate at which the device
is currently operating. When autoswitch code is running, this register must be tested to determine which video
standard has been detected.
Autoswitch mode:
0 = Stand-alone (forced video standard) mode
1 = Autoswitch mode