2.11.47 SCH Phase Status Register
Subaddress
3Eh
Read only
7
6
5
4
3
2
1
0
Subcarrier to Horizontal (SCH) phase [7:0]
Subcarrier to horizontal (SCH) phase [7:0]: 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_
L
1111 1110 = 357.2_
1111 1111 = 358.6_
2.11.48 Video Standard Status Register
Subaddress
3Fh
Read only
7
Autoswitch
6
5
Reserved
4
3
2
1
Video standard [2:0]
0
Autoswitch mode:
0 = Stand-alone (forced video standard) mode
1 = Autoswitch mode
Video standard [2:0]:
CVBS and S-video
000 = Reserved
001 = (M, J) NTSC
010 = (B, D, G, H, I, N) PAL
011 = (M) PAL
100 = (Combination-N) PAL
101 = NTSC 4.43
110 = SECAM
111 = PAL 60
Component video
Reserved
Component 525
Component 625
Reserved
Reserved
Reserved
Reserved
Reserved
This register contains information about the detected video standard that the decoder is currently operating. When
autoswitch code is running, this register must be tested to determine which video standard as been detected.
2.11.49 GPIO Input 1 Register
Subaddress
40h
Read only
7
C_7
6
C_6
5
C_5
4
C_4
3
C_3
2
C_2
1
C_1
0
C_0
C_x input status:
0 = Input is a low.
1 = Input is a high.
These status bits are only valid when pins are used as input and its states updated at every line.
2−47
TI [ TEXAS INSTRUMENTS ]
