MSM7654 datasheet(39/53 Pages) OKI

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MSM7654

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SETUP LEVEL SETTING

When the NTSC operation mode is selected, one of the two kinds of setup level can be selected

by setting of internal register (MR1[7]).

When the setup level 0IRE (MR1[7] = "0") is selected, the Black-to-White is 100IRE.

When the setup level 7.5IRE (MR1[7] = "1") is selected, the Black-to-White is 92.5IRE.

However, this setup function is valid only for the NTSC mode and invalid for the PAL mode.

COLOR BAR GENERATION FUNCTION

The 25% luminance order color bar or 50% luminance order color bar or 75% luminance order

color bar or 100% luminance order color bar is output by setting internal register CR0[2:1]. The

output timings for each color bar color are as follows.

Contents of color bar output timing setting

ITU-R BT.601 NTSC

ITU-R BT.601 PAL

858TCLKX1

864TCLKX1

750TCLKX1

757TCLKX1

661TCLKX1

670TCLKX1

572TCLKX1

582TCLKX1

483TCLKX1

494TCLKX1

394TCLKX1

406TCLKX1

305TCLKX1

318TCLKX1

216TCLKX1

230TCLKX1

hblank

127TCLKX1

142TCLKX1

Operation mode

(TCLKX1 : sampling clock period)

4Fsc NTSC

910TCLKX1

795TCLKX1

701TCLKX1

607TCLKX1

513TCLKX1

419TCLKX1

325TCLKX1

230TCLKX1

135TCLKX1

Square pixel NTSC

780TCLKX1

682TCLKX1

602TCLKX1

521TCLKX1

440TCLKX1

359TCLKX1

278TCLKX1

197TCLKX1

116TCLKX1

Square pixel PAL

944TCLKX1

827TCLKX1

731TCLKX1

635TCLKX1

539TCLKX1

443TCLKX1

347TCLKX1

251TCLKX1

155TCLKX1

White

Yellow

Cyan Green

Magenta

Red

Blue

Black

Output timing of each color bar color

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