Microcontroller interfacing with an LCD

Details Microcontroller interfacing with an LCD Microcontroller interfacing with an LCD

1995-11-06

1998-09-08

Powell, Mark R.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345210, 345 94, G09G 300

Patent

active

058051279

ABSTRACT:
A microcontroller with three-state outputs is coupled to a small LCD via an interface with resistive voltage dividers. The controller has a separate control output to control adapting means for selectively modifying the voltage division, thus rendering a general-type microcontroller suitable for driving an LCD in, e.g., a 1/3 bias triplex mode using conventional low-cost hardware.

REFERENCES:
patent: 3936676 (1976-02-01), Fujita
patent: 4050064 (1977-09-01), Hashimoto et al.
patent: 4769639 (1988-09-01), Kawamura et al.
patent: 4870398 (1989-09-01), Bos
patent: 5101116 (1992-03-01), Morokawa
patent: 5111319 (1992-05-01), Morris
patent: 5301047 (1994-04-01), Hoshino et al.
patent: 5343217 (1994-08-01), Kim
patent: 5510814 (1996-04-01), Ise
"Flat Panel Display Technology", by J. Ziegler et al, The Electrochemical Society Interface, Summer, 1994, pp. 27-32.

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