Datasheet > AS1120_1

AS1120_1

更新时间： 2022-10-11 11:44:12

品牌	Logo	应用领域
艾迈斯 - AMSCO		驱动器
页数	文件大小	规格书
13页	357K
描述
46-Segment LCD Driver

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AS1120_1 数据手册

Datasheet

AS1120

46-Segment LCD Driver

1 General Description

2 Key Features

ꢀ

46-Segment LCD Driver

The AS1120 is an LCD direct-driver capable of driving

up to 46 LCD segments with one non-multiplexed back-

plane.

Serial-to-Parallel Interface

The device contains an integrated serial-to-parallel inter-

face and generates the necessary signals to drive LCD

panels.

Integrated Oscillator w/ External R/C and Backplane

Input

Internal synchronous backplane signal regeneration

allows the device to mix different drivers with different

LCDs for superior brightness stability over a wide tem-

perature range. The device also supports external back-

plane signals.

ꢀ

Supports Alphanumeric and Bar-Graph Devices

Two Data Transfer Configurations:

- Cascade

- Parallel

The AS1120 was specifically designed to easily inter-

face with a variety of microprocessors and a wide range

of LCD panel types.

ꢀ

Non-Multiplexed Backplane

Very-Low Current Consumption

The AS1120 is available in a 64-pin LQFP package.

ꢀ

Power Supply Range: -0.3 to +7.0V

Operating Temperature Range: -40 to +85ºC

64-pin LQFP Package

3 Applications

The device is ideal for industrial LCD systems, portable-

system displays, panel meters with wide temperature

ranges, high-performance optical displays, or for any

other space-limited A/D application with low power-con-

sumption and single-supply requirements.

Figure 1. Application Diagram

VDD

AS1120

+VDD

XOR

46-bit

LCD[0:45]

TEST

46-bit

LOAD

RESETN

DATAIN

Shift Register

46-bit

DATAOUT

CLKIN

BPLIN

BPLOUT

REXT

CEXT

Divide by

OSC

VSS

OSC

VSSOSC

www.austriamicrosystems.com

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