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TVP5146_12 Datasheet, PDF (87/109 Pages) Texas Instruments – NTSC/PAL/SECAM 4x10-Bit Digital Video Decoder With Macrovision Detection, YPbPr/RGB Inputs, 5-Line Comb Filter, and SCART Support
2.12 VBUS Register Definitions
2.12.1 VDP Closed Caption Data Register
Subaddress 80 051Ch–80 051Fh
Read only
Subaddress
7
6
5
4
3
2
1
0
80 051Ch
Closed caption field 1 byte 1
80 051Dh
Closed caption field 1 byte 2
80 051Eh
Closed caption field 2 byte 1
80 051Fh
Closed caption field 2 byte 2
These registers contain the closed caption data arranged in bytes per field.
2.12.2 VDP WSS Data Register
Subaddress 80 0520h–80 0526h
WSS NTSC (CGMS):
Read only
Subaddress
7
6
5
4
3
2
1
0
Byte
80 0520h
b5
b4
b3
b2
b1
b0
WSS field 1 byte 1
80 0521h
b13
b12
b11
b10
b9
b8
b7
b6
WSS field 1 byte 2
80 0522h
b19
b18
b17
b16
b15
b14
WSS field 1 byte 3
80 0523h
Reserved
80 0524h
b5
b4
b3
b2
b1
b0
WSS field 2 byte 1
80 0525h
b13
b12
b11
b10
b9
b8
b7
b6
WSS field 2 byte 2
80 0526h
b19
b18
b17
b16
b15
b14
WSS field 2 byte 3
These registers contain the wide screen signaling data for NTSC.
Bits 0–1 represent word 0, aspect ratio.
Bits 2–5 represent word 1, header code for word 2.
Bits 6–13 represent word 2, copy control.
Bits 14–19 represent word 3, CRC.
PAL/SECAM:
Read only
Subaddress
7
80 0520h
b7
80 0521h
80 0522h
80 0523h
80 0524h
b7
80 0525h
80 0526h
6
5
4
3
2
1
b6
b5
b4
b3
b2
b1
b13
b12
b11
b10
b9
Reserved
Reserved
b6
b5
b4
b3
b2
b1
b13
b12
b11
b10
b9
Reserved
0
Byte
b0
WSS field 1 byte 1
b8
WSS field 1 byte 2
b0
WSS field 2 byte 1
b8
WSS field 2 byte 2
PAL/SECAM:
Bits 0–3 represent group 1, aspect ratio.
Bits 4–7 represent group 2, enhanced services.
Bits 8–10 represent group 3, subtitles.
Bits 11–13 represent group 4, others.
SLES084C − August 2007
TVP5146
79