Datasheet

TVP5151

SLES241E–SEPTEMBER 2009–REVISED OCTOBER 2011

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3.21.54 Closed Caption Data Registers

Address 90h–93h

Address 7 6 5 4 3 2 1 0

90h Closed caption field 1 byte 1

91h Closed caption field 1 byte 2

92h Closed caption field 2 byte 1

93h Closed caption field 2 byte 2

These registers contain the closed caption data arranged in bytes per field.

3.21.55 WSS/CGMS-A Data Registers

Address 94h–99h

NTSC

Address 7 6 5 4 3 2 1 0 BYTE

94h b5 b4 b3 b2 b1 b0 WSS field 1 byte 1

95h b13 b12 b11 b10 b9 b8 b7 b6 WSS field 1 byte 2

96h b19 b18 b17 b16 b15 b14 WSS field 1 byte 3

97h b5 b4 b3 b2 b1 b0 WSS field 2 byte 1

98h b13 b12 b11 b10 b9 b8 b7 b6 WSS field 2 byte 2

99h b19 b18 b17 b16 b15 b14 WSS field 2 byte 3

These registers contain the wide screen signaling (WSS/CGMS-A) data for NTSC.

For NTSC, the bits are:

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

Address 7 6 5 4 3 2 1 0 BYTE

94h b7 b6 b5 b4 b3 b2 b1 b0 WSS field 1 byte 1

95h b13 b12 b11 b10 b9 b8 WSS field 1 byte 2

96h Reserved

97h b7 b6 b5 b4 b3 b2 b1 b0 WSS field 2 byte 1

98h b13 b12 b11 b10 b9 b8 WSS field 2 byte 2

99h Reserved

For PAL/SECAM, the bits are:

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.

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