General Description

The MIC10941 and MIC10939 Alphanumeric and Bargraph Display Controller is a two-chip MOS/LSI general purpose display controller system designed to interface with bargraph and segmented displays (vacuum fluorescent or LED). The two-chip set will drive displays with up to 16 segments (plus decimal point and comma tail) and up to 20 grids (characters) plus a cursor. The chips can be cascaded to drive larger displays of 80 characters. Segment decoding for ASCII characters and bargraph patterns is accomplished through an internal PLA.

Features

• 20-character display driver cascadable to 80 characters

• Direct drive capability for vacuum-fluorescent displays

• 128 ×18 PLA provides segment decoding for ASCII characters (all caps only) and bargraph patterns

• Serial or parallel data input for 8-bit display and control characters

• Brightness, refresh rate, and display mode controls

• Separate cursor driver output

• 40-pin DIP or 44-pin PLCC (MIC10939)

• 24-pin DIP package (MIC10941)