Texas Instruments OMAP36 Series, Technical Reference Manual

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Display Subsystem Register Manual
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Table 7-320. VENC_LINE21
Address Offset 0x54
Physical address 0x4805 0C54 Instance VENC
Description VENC LINE 21
Type RW
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
L21E L21O
Bits Field Name Description Type Reset
31:16 L21E The two bytes of the closed-caption data in the even field. For a RW 0x0000
complete field description, refer to CEA-608-x standard. For data stream
content, see
Table 7-41 , Closed-Caption Data Format.
[31:24] First byte of data
[23:16] Second byte of data
15:0 L21O The two bytes of the closed caption data in the odd field. For a complete RW 0x0000
field description, refer to CEA-608-x standard. For data stream content,
see
Table 7-41 , Closed-Caption Data Format.
[15:8] First byte of data
[7:0] Second byte of data
Table 7-321. Register Call Summary for Register VENC_LINE21
Display Subsystem Functional Description
• Closed Caption Encoding : [0] [1] [2] [3]
Display Subsystem Basic Programming Model
• Video Encoder Register Settings : [4]
Display Subsystem Register Manual
• Video Encoder Register Mapping Summary : [5]
Table 7-322. VENC_LN_SEL
Address Offset 0x58
Physical address 0x4805 0C58 Instance VENC
Description VENC_LN_SEL
Type RW
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Reserved LN21_RUNIN Reserved SLINE
Bits Field Name Description Type Reset
31:26 Reserved Reserved. Read returns 0s. RW 0x00
25:16 LN21_RUNIN The two bytes of the closed caption run in code position from the RW 0x10B
HSYNC.
15:5 Reserved Reserved. Read returns 0s. RW 0x000
1894 Display Subsystem SWPU177N – December 2009 – Revised November 2010
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