Texas Instruments TVP5147M1PFP - Manual (Page 56)

Functional Description
48 SLES140A—March 2007 TVP5147M1PFP
2.11.37 Video Standard Status Register
Subaddress 3Fh
Read only
7 6 5 4 3 2 1 0
Autoswitch Reserved Video standard [2:0]
Autoswitch mode:
0 = Stand-alone (forced video standard) mode
1 = Autoswitch mode
Video standard [2:0]:
CVBS and S-video Component video
000 = Reserved Reserved
001 = (M, J) NTSC Component 525
010 = (B, D, G, H, I, N) PAL Component 625
011 = (M) PAL Reserved
100 = (Combination-N) PAL Reserved
101 = NTSC 4.43 Reserved
110 = SECAM Reserved
111 = PAL 60 Reserved
This register contains information about the detected video standard that the device is currently operating.
When autoswitch code is running, this register must be tested to determine which video standard has been
detected.
2.11.38 GPIO Input 1 Register
Subaddress 40h
Read only
7 6 5 4 3 2 1 0
C_7 C_6 C_5 C_4 C_3 C_2 C_1 C_0
C_x input status:
0 = Input is a low.
1 = Input is a high.
These status bits are only valid when terminals are used as input and its states updated at every line.