TMC2193KJC datasheet(61/72 Pages) CADEKA

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PRODUCT SPECIFICATION

TMC2193

REV. 1.0 3/26/03

Control Register Deﬁnitions (continued)

Subcarrier Register (0x4A)

76543210

BRST2

Reg

Bit

Name

Description

7-0

BRST2

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)

76543210

NBMD

PEDHGT2

Reg

Bit

Name

Description

NBMD

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.

6-0

PEDGHT2

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.

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