TMC2193 Datasheet, PDF (61/72 Pages) Fairchild Semiconductor – 10 Bit Encoder

PRODUCT SPECIFICATION
TMC2193
Control Register Definitions (continued)
Subcarrier Register (0x4A)
7
6
5
4
3
2
1
0
BRST2
Reg Bit
4A 7-0
Name
BRST2
Description
Burst Height – 2nd Intermediate Value.
The 8 bit value assigned to U burst component in NTSC and to the U and V
components in PAL for the second intermediate value of the burst
envelope. The value programmed into BRST2 needs to be .707 of the
magnitude of the burst vector.
Pedestal Height Register (0x4B)
7
6
5
4
3
2
1
0
NBMD
PEDHGT2
Reg Bit
4B 7
Name
NBMD
4B 6-0 PEDGHT2
Description
Component Blank and Sync Level Selection.
When NBMD is LOW, the blank level for Y or RGB is 256 and the sync level
is 12. When NMBD is HIGH, the blank level for Y or RGB is a D/A code of
240 and the sync level is a D\A code of 8.
Component Pedestal Height.
PEDHGT2 is a 2’s comp value producing a pedestal height from -22.1 IRE
to 21.7 IRE with .345 IRE steps of the luminance data of the YPBPR
component output.
REV. 1.0 3/26/03
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