MB90099 datasheet(8/36 Pages) FUJITSU

Part #	MB90099

Description	On-Screen Display Controller

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Manufacturer	FUJITSU [Fujitsu Component Limited.]

Direct Link	http://edevice.fujitsu.com/fmd/en/index.html

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MB90099

8

s COMPONENT ELEMENTS

• Serial input control block

Receives serial commands and data. Decodes commands, and allocates commands and data to the appro-

priate control blocks.

• Display control block

Performs display control functions synchronized with the input sync signals.

• Display memory (VRAM) block

VRAM memory for character data (24 bits

× 28 characters × 12 lines) and line data (24 bits × 12 lines) .

•Font ROM block

ROM memory for display character fonts. Configured for 1,024 characters of 12 dots

× 18 dots.

• Output control block

Generates output signals by applying display processing to the font data read from the font ROM.

• Test control block

Circuits for factory testing of the LSI before delivery.

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