MB90099 Просмотр технического описания (PDF) - Fujitsu

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Компоненты Описание

производитель

MB90099

On-Screen Display Controller

Fujitsu 

MB90099

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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