TMC2192 datasheet(9/69 Pages) CADEKA

9 / 69 page

PRODUCT SPECIFICATION

TMC2192

REV. 1.0.0 8/13/03

Color Space Matrix

Control Registers for this section

Matrix conﬁguration:

Ycomposite

= MCF1 * Yin

= MCF2 * CB

= MCF3 * CR

The color space matrix consists of 3 multipliers with inde-

pendently adjustable coefﬁcients, and a resolution of

0.00049 (1/2048). The amount of gain varies among coefﬁ-

cients, Table 1 summarizes the gain for each coefﬁcient.

To aid in the programming of the color space matrix Table 2

provides a set of default input and output values for 100%

color bars. The component values given will be after the pre-

processing block and prior to the sync and pedestal insertion.

The blank, pedestal, and sync values are given as a reference.

Table 4 gives the default coefﬁcients values for the CSM.

Address

Bit(s)

Name

0x30

7-0

MCF1L

0x33

7-0

MCF2L

0x35

7-0

MCF3L

0x3A

7-4

MCF1M

0x3B

2-0

MCF2M

0x3C

2-0

MCF3M

Table 1. CSM Coefﬁcient Range

Coefﬁcient

Gain Range

Comment

MCF1

0 to 2

MCF2

0 to 1

11 bit coefficient.

MCF3

0 to 1

11 bit coefficient.

Table 2. Expected Output Values for the CSM with YCBCR Inputs

Color

Inputs

5:2 Outputs

7:3 Outputs

YCB

YUV

White

876

536

568

Yellow

776

-448

475

-235

503

-249

Cyan

614

151

448

376

-332

407

-351

Green

514

-297

-375

315

-156

-278

340

-165

-294

Magenta

362

297

375

222

156

278

240

165

294

Red

262

-151

448

160

-79

332

173

-84

351

Blue

100

448

-73

235

-54

249

-57

Black

000000000

Blank

240

256

Pedestal

Sync

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