MB90099 Datasheet, PDF (8/36 Pages) Fujitsu Component Limited. – On-Screen Display Controller

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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