MSM6665

E2B0036-27-Y2 ¡ Semiconductor MSM6665-xx ¡ Semiconductor This version: Nov. 1997 MSM6665-xx Previous version: Mar. 1996 DOT MATRIX LCD CONTROLLER WITH 17-DOT COMMON DRIVER AND 80-DOT SEGMENT DRIVER GENERAL DESCRIPTION The MSM6665-xx is a dot-matrix LCD control driver which has functions of displaying characters, cursor and arbitrators. The MSM6665-xx is provided with a 17-dot common driver, 80-dot segment driver, display RAM and character ROM, and is controlled with the commands from the serial interface. The character ROM can change the font data by mask option. The MSM6665-01 has standard ROM with 256 different character fonts. The MSM6665-xx can drive a variety of LCD panels because of the bias voltage, which determines the LCD driving voltage, can be optionally supplied from the external source. FEATURES Logic supply voltage : 2.5 to 5.5 V LCD driving voltage : 3.0 to 6.0 V Serial interface Contains a 17-dot common driver and an 80-dot segment driver Contains ROM with character fonts of (5 x 7 dot) x 256 Built-in RC oscillator circuit Provided with 80-dot arbitrators Switchable between 1/9 duty (1 line; characters + cursor + arbitrator) and 1/17 duty (2 lines; characters + cursor, 1 line; arbitrator) Character blink operation can be switched between all-characters lighting-on mode and allcharacters lighting-off mode Arbitrator blink operation can be switched between 5-dot unit mode and 1-dot unit mode Package options: 128-pin plastic QFP (QFP128...