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FD2000 Fiches technique(PDF) 11 Page - Finechips

No de pièce FD2000
Description  LCD Display Driver
PDF  37 Pages
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Fabricant  FINECHIPS [Finechips]
Site Internet  http://www.finechips.com
Logo FINECHIPS - Finechips

FD2000 Fiches technique(HTML) 11 Page - Finechips

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6.4. CGROM (CHARACTER GENERATOR ROM)
CGROM is ROM used to generate the 240 kinds of 5 x 7, 5 x 8, or 5 x 9 dot matrix character patterns from the 8-
bit character codes. CGROM has a capacity of 240 x 45 bits. When a character code is written to DCRAM, the
character pattern stored in CGROM corresponding to the character code is displayed at the position on the LCD
corresponding to the DCRAM address loaded into AC.
6.5. CGRAM (CHARACTER GENERATOR RAM)
CGRAM is RAM to which user programs can freely write arbitrary character patterns. Up to 16 kinds of 5 x 7, 5 x 8,
or 5 x 9 dot matrix character patterns can be stored. CGRAM has a capacity of 16 x 45 bits.



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