EM6124 datasheet, PDF - EEWORLD Datasheet

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EM6124: DescriptionDigitally Programmable 8 to 25 Multiplex LCD Controller & Driver; File Size2MB，23 Pages; ManufacturerETC

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EM6124 Overview

Digitally Programmable 8 to 25 Multiplex LCD Controller & Driver

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EM MICROELECTRONIC-MARIN SA

EM6124

Digitally Programmable 8 to 25 Multiplex

LCD Controller & Driver

Features

Applications

Slim IC for chip-on-board, with gold bumps for

Chip-On-Glas and Chip-On-Flex technologies

Very simple 2-wire interface

Digitally programmable multiplex rates:

8 x 113, 9 x 112, 16 x 105, 17 x 104, 20 x 101,

21 x 100, 24 x 97, 25 x 96

No lost pads while row driver from 8 up to 25

On chip: Voltage multiplier,V

LCD

up to 7 V (3 to 6 V at

25 °C), 64 V

LCD

digitally programming steps, 4 V

LCD

temperature compensation factors, bias generation,

/ V

OFF

generation, frame frequency, display

refresh RAM

No busy state

High noise immunity in inputs

No external components needed, except a V

LCD

capacitor

Digitally reversing row data

Digitally reversing column data

Inverting data function

Blank function

Set function

Checker and Inverted Checker functions

Sleep modes

Low LCD operating current consumption

Wide V

voltage supply range, 2 to 5 V

Wide temperature range: -40 to + 85 °C

Direct display of RAM data through the display data

RAM

Mobile phones (GSM, DECT)

Smart cards

Automotive displays

Portable, battery operated products

Balances and scales, utility meters

Typical Operating Configuration

EM6124

Fig. 1

Pad Assignment

(To cascade ICs, please see Fig. 19 and contact EM-Marin.)

Description

The EM6124 is a low power CMOS LCD controller and

driver. The 8, 16, 20 and 24 way multiplex are digitally pro-

grammable by the command byte. One additional line can

be added for Icons or Inverted Video by programming 9,

17, 21 or 25 way multiplex. The display refresh is handled

on chip by an internal RC oscillator via one selectable 25 x

116 RAM which holds the LCD content driven by the

driver. LCD pixels (or segments) are addressed on a one

to one basis with the 25 x 116 bit RAM (a set bit corre-

sponds to an activated LCD pixel). The EM6124 has very

low dynamic current consumption, typically 70 µA at V

= 2 V, V

LCD

= 7 V making it particularly attractive for porta-

ble and battery powered products. The wide operating

range on supply voltages and temperature offers much

application flexibility. The LCD voltage, bias generation

and frame frequency are generated on chip. The clock

signal can be used to shift and to latch the data into the

RAM.

(To contact Power Supplies,

please see Fig. 20.)

Fig. 2

Recommended Resources

Voltage-4 to 20mA Current Transmitter

Several other control execution circuits c

SE9518 Holiday Lights ASIC

Simple and practical single-point temperature control circuit

800w dimmer circuit

XOR gate controls the frequency of the oscillator

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