mic10942 Micrel Semiconductor, mic10942 Datasheet

mic10942

Manufacturer Part Number

mic10942

Description

V. F. Dot Matrix Display Controller

Manufacturer

Micrel Semiconductor

Datasheet

1.MIC10942.pdf (1 pages)

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General Description

The MIC10939, MIC10942, and MIC10943 Dot Matrix Dis-

play Controller is a three-chip MOS/LSI general purpose

display controller system designed to interface to dot matrix

displays (vacuum fluorescent or LED).

The three-chip set will drive displays with up to 46 anodes

(dots) and up to 20 grids (characters) plus a cursor. The chips

can be cascaded to drive larger displays of up to 80 charac-

ters.

An internal PLA-type decoder provides character decoding

and dot pattern generation for the full 96-character ASCII set

and an additional 32 special characters.

Micrel has received the rights from Rockwell International to

manufacture and market this product and reproduce the

specifications, including references to Rockwell.

Block Diagram

August 1998

MIC10939/10942/10943

MIC10942

ANODE DRIVERS AND LATCHES

128

INVERSION

8-BIT SHIFT

LOGIC

35 PLA

SG01-SG23

DETECT

LEVEL

20-CHARACTER 5

MIC10939

DETECT

RAM

LEVEL

CONTROL

DATA-

12 DOT MATRIX DISPLAY

LOAD

LOGIC

HOST

SCLK

-DIS

8-23

Features

• 20-character display driver cascadable to 80 characters

• Standard 5

• Separate cursor driver output

• Two 128

• Serial or parallel data input for 8-bit display mode

• Brightness, refresh rate, and display mode controls

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

• 28-pin DIP (MIC10942 and MIC10943)

Ordering Information

Summary Information*—Not Recommended for New Designs

Part Number

MIC10939J-50

MIC10939P-50

MIC10939PE-50

MIC10942P-50

MIC10942PE-50

MIC10943P-50

MIC10943PE-50

96-character ASCII set, plus 32 special characters

controls

DETECT

LEVEL

DRIVERS

GRID

V. F. Dot Matrix Display Controller

MIC10939/10942/10943

ANODE DRIVERS AND LATCHES

* Contact Micrel for more information.

DETECT

23 PLAs provides segment decoding for full

LEVEL

12 character font

Temperature Range

–40 C to +85 C

0 C to +70 C

SG01-SG23

128

INVERSION

8-BIT SHIFT

CURSOR

LOGIC

23 PLA

STR00–STR19

MIC10943

44-Pin PLCC

40-pin P-DIP

Package

Micrel

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