2. LCD ProcessingThe microprocessor on the DC controller PCB sends commands to the LCD con-troller according to instructions from its programs. In response, the LCD controller inter-prets and executes the commands. The LCD controller also turns on and off variousinstructions according to programs.The LCD controller also serves to write display text codes into display RAM as nec-essary; the display RAM data is then sent to the display panel in response to the timingsignals generated by the LCD controller.CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS7-2 COPYRIGHT © 1997 CANON INC. CANON NP6560/NP6360/NP6260 REV. 0 NOV. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
