Datasheet > DLX2416

DLX2416

更新时间： 2024-11-21 03:29:55

品牌	Logo	应用领域
欧司朗 - OSRAM		装置
页数	文件大小	规格书
5页	222K
描述
Intelligent Display Device

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数据手册

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DLX2416 数据手册

Applying the DLX2416

Intelligent Display Device

Appnote 14

This application note is intended to serve as a design and appli-

cation guide for the DLX2416 alphanumeric Intelligent Displays.

The information presented covers device electrical description

and operation, considerations for general circuit design, and

interfacing the DLX2416 to microprocessors. Refer to the spe-

ciﬁc data sheet and other Inﬁneon / OSRAM Appnotes for more

details.

Intelligent Display also provides internal memory for the four

digits. This approach allows the user to asynchronously

address one of four digits, and load new data without regard to

the LED multiplex timing.

Figure1 is a block diagram of the DLX2416. The unit consists of

4 (5x7) LEDs and a single CMOS integrated chip. The IC chip

contains the column drivers and row drivers, 128 character

ROM, four word x7 bit Random Access Memory, oscillator for

multiplexing, multiplex counter/decoder, cursor memory,

address decoder, and miscellaneous control logic.

Electrical & Mechanical Description

The internal electronics in these Intelligent Displays eliminates

all the traditional difﬁculties of using multi-digit light emitting

displays (segment decoding, drivers, and multiplexing). The

Figure 1. Block diagram–DLX2416

Display

Rows 0 to 6

Columns 0 to 19

Row Control Logic

& Row Drivers

Timing and Control Logic

÷128

Counter

÷7

Counter

OSC

Row Decoder

ROM

Display

Output

Logic

RAM Read Logic

128x35 Bit

ASCII

Character

Decode

Column Data

7 Bit ASCII Code

RAM

Memory

4480 Bits

Cursor

Memory

4x1 Bit

Cursor Memory Bits 0 to 3

4x7 Bit

Address Lines

Write

Address

Decoder

CE1

CE2

CUE

2000 Inﬁneon Technologies Corp. • Optoelectronics Division • San Jose, CA

www.inﬁneon.com/opto • 1-888-Inﬁneon (1-888-463-4636)

OSRAM Opto Semiconductors GmbH & Co. OHG • Regensburg, Germany

www.osram-os.com • +49-941-202-7178

May 31, 2000-12

12 3 4 5

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