Title:
DISPLAY CONTROL CIRCUIT AND LIQUID CRYSTAL DISPLAY DEVICE PROVIDED THEREWITH
Document Type and Number:
Japanese Patent JP3726633
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To solve the problem that when an input/output instruction occurs to display data from a microprocessor unit during read/write processing of the display data, the instruction has been disabled, therefore, this has had to be coped with by lengthening access intervals on the microprocessor side, and this has not permitted to shorten the access speed.
SOLUTION: Wiring is arranged around display data RAM and a flag is set to the propagation time during the time of, and the flag read/write permits to smoothly input/output the display data across an external control device.
Inventors:
Baba Kyomitsu
Application Number:
JP2000095423A
Publication Date:
December 14, 2005
Filing Date:
March 30, 2000
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
G02F1/133; G06F3/147; G06F3/153; G09G3/20; G09G3/36; (IPC1-7): G09G3/36; G02F1/133; G09G3/20
Domestic Patent References:
| JP10105505A | ||||
| JP60158484A |
Attorney, Agent or Firm:
Masahiko Ueyanagi
Osamu Suzawa
Osamu Suzawa