Datasheet > EDE700

EDE700

更新时间： 2024-09-19 06:55:55

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
10页	208K
描述
LCD Interface IC

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EDE700 数据手册

EDE700 Serial LCD Interface IC

EDE700

BAUD

POLARITY

TEST

XMIT

RCV

OSC1

OSC2

+ 5V

0= 2400,1= 9600

0= Inverted,1= Standard

0= Diagnostic Mode

Connect to + 5V DC

Digital Ground

Serial Transmit

Serial Receive

Oscillator Connection

Connect to + 5V DC

LCD Data Pin 7

+ 5V

GND

Enable

LCD Enable Line

LCD RS Line

LCD Data Pin 6

N/C

LCD RW Line

LCD Data Pin 5

No Connection

LCD Data Pin 4

The EDE700 Serial LCD Interface IC is designed to conveniently control text-based LCD modules via

a simple two or three wire link. This IC allows both engineer and hobbyist alike to easily

incorporate a LCD module into their design using a minimal amount of I/O lines. The EDE700

allows full LCD control, including the creation of custom characters. Also, in addition to the usual

sideways-scrolling feature standard on most LCD modules, the EDE700 is also capable of shifting text

from the bottom row of a 2-row LCD to the top row using only one command. 2400 or 9600 Baud

rates and selectable serial data polarity allow the EDE700 to communicate easily with most serial

devices. Connection to most microcontrollers, stamps, or microprocessors can be made using a

single data wire, without any type of voltage level conversion. Connection to a PC can be made

using only a 33KW resistor.

Some of the special features of the EDE700 are as follows:

· RS232 and TTL-level compatible

· Single-chip design allows for easy system integration

· Compatible with most 1x8 to 2x40 character HD44780 controlled LCDs

· Useable with LCDs having either 1x14 or 2x7 connector configuration

· Allows direct control of all LCD functions

· Adds new "Row Shift-up" capability

· Selectable data polarity eliminates necessity of RS-232 voltage converter

· Data Read Mode allows screen data to be read back to host system

· 2400/9600 Baud data rates

· Special Diagnostic Mode tests screen hookup and data transmission

· Available in 18 pin DIP or SOIC packages

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