S6A0074 Datasheet (Samsung semiconductor) - 34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

S6A0074, 34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

Table 2.

Pad Description Pad (No) VDD (43) VSS1, VSS2 (49, 64) V1 - V5 (71- 67) Vci (61) Input Input/ Output Name Power supply Description for logical circuit(+3V,+5V) 0V(GND) Bias voltage level for LCD driving.

Input voltage to the voltage converter to generate LCD drive voltage (Vci = 2.5 - 4.5V).

34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD S6A0074 INTRODUCTION S6A0074 is a dot matrix LCD driver & controller LSI which is fabricated by low power CMOS technology.

It can display 1, 2, or 4 lines with 5 x 8 or 6 x 8 dots format.

FUNCTIONS Character type dot matrix LCD driver & controller Internal driver: 34 common and 80 segment signal output Easy interface with 4-

S6A0074 Features

* Internal memory - Character Generator ROM (CGROM): 9,600 bits (240 characters x 5 x 8 dot) - Character Generator RAM (CGRAM): 64 x 8 bits (8 characters x 5 x 8 dot) - Segment Icon RAM (SEGRAM): 16 x 8 bits (96 icons max.) - Display Data RAM (DDRAM): 80 x 8 bits (80 characters max.) Low pow