Datasheet

TVP5146M2

SLES141H –JULY 2005– REVISED FEBRUARY 2012

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2.12 VBUS Register Definitions

Table 2-114. 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.

Table 2-115. VDP WSS Data Register

Subaddress 80 0520h - 80 0526h

Read only

WSS/CGMS NTSC (CGMS)

Subaddress 7 6 5 4 3 2 1 0 Byte

80 0520h b5 b4 b3 b2 b1 b0 WSS/CGMS Field 1 Byte 1

80 0521h b13 b12 b11 b10 b9 b8 b7 b6 WSS/CGMS Field 1 Byte 2

80 0522h b19 b18 b17 b16 b15 b14 WSS/CGMS Field 1 Byte 3

80 0523h Reserved

80 0524h b5 b4 b3 b2 b1 b0 WSS/CGMS Field 2 Byte 1

80 0525h b13 b12 b11 b10 b9 b8 b7 b6 WSS/CGMS Field 2 Byte 2

80 0526h b19 b18 b17 b16 b15 b14 WSS/CGMS Field 2 Byte 3

These registers contain the wide screen signaling data for NTSC.

Bits 0 to 1 represent word 0, aspect ratio

Bits 2 to 5 represent word 1, header code for word 2

Bits 6 to 13 represent word 2, copy control

Bits 14 to 19 represent word 3, CRC

WSS/CGMS PAL/SECAM

Subaddress 7 6 5 4 3 2 1 0 Byte

80 0520h b7 b6 b5 b4 b3 b2 b1 b0 WSS/CGMS Field 1 Byte 1

80 0521h b13 b12 b11 b10 b9 b8 WSS/CGMS Field 1 Byte 2

80 0522h Reserved

80 0523h Reserved

80 0524h b7 b6 b5 b4 b3 b2 b1 b0 WSS/CGMS Field 2 Byte 1

80 0525h b13 b12 b11 b10 b9 b8 WSS/CGMS Field 2 Byte 2

80 0526h Reserved

These registers contain the wide screen signaling data for PAL/SECAM:

Bits 0 to 3 represent Group 1, Aspect Ratio

Bits 4 to 7 represent Group 2, Enhanced Services

Bits 8 to 10 represent Group 3, Subtitles

Bits 11 to 13 represent Group 4, Others

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