GENERAL DESCRIPTION
A LCD RAM inside can be mapping to LCD signal. FEATURES
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) Supply power 2.6~6V Internal RAM : 2.5k x 4 bits RAM can be controlled by eight signals including four bit data bus. LCD drive voltage :<13V Duty: 1/32, 1/48, 1/80 Build in DC converter double and triple Modularized function: connect to another 83040 to extent LCD matrix One DC converter enabled and other 83040 can shared with this. Internal regulator output for DC converter controlled by control register. (2.5V to 4.6V, 8 level) Chip form (EM83040AH), 128 pin package (14mmx20mm EM83040AAQ), 160 pin package (EM83040ABQ) Bias : 1/5 for 32 common, 1/7 for 48 common, 1/9 for 80 common. Fixed by internal circuit. Internal RC clock about 250 KHz. APPLICATION (1) (2) (3) Data Bank LCD toy Education computer PIN ASSIGNMENTS VREG EM83040ABQ * This specification are subject to be changed without notice. 5.31.2001 1 EM83040A LCD CONTROLLER inary m i l e r P O79 MAIN NC N...