EM78468 Datasheet, PDF (48/71 Pages) ELAN Microelectronics Corp – 8-BIT Microcontroller

EM78468
8-BIT Microcontroller
IC RESET occur
*Set Port 7 snd Port 8 for general I/O or LCD segment (IOC50)
*it must be set to output port w hen the pin of port 7 and the pin of port 8 for LCD
segemnt (IOC70 and IOC80)
Set LCD Type, duty, bias, LCD frame frequency (R9)
Set LCD Booster Frequency (RD)
Clear all LCD RAM (RA and RB)
Enable LCD function (R9)
Use LCD address and LCD data buffer to implment user's applications. (RA and RB)
END
Fig.16. The Initial Setting Flowchart for LCD Function
44 •
Product Specification (V1.1) 04.11.2005
(This specification is subject to change without further notice)