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DLX1414 データシート(PDF) 1 Page - OSRAM GmbH |
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DLX1414 データシート(HTML) 1 Page - OSRAM GmbH |
1 / 4 page 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 1 May 31, 2000-12 play also provides internal memory for the four digits. With this approach the user can asynchronously address one of four dig- its and load new data without regard to the LED multiplex tim- ing. Figure 1 is a block diagram of the DLX1414. The device con- sists of four (5x7) LED arrays 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. This application note is intended to serve as a design and appli- cation guide for users of the DLX1414 alphanumeric Intelligent Display. The information presented covers device electrical description and operation, considerations for general circuit design, and interfacing the DLX1414 to microprocessors. Electrical & Mechanical Description The internal electronics of the Intelligent Display eliminates all the traditional difficulties of using multi-digit light emitting dis- plays (decoding, drivers and multiplexing). The Intelligent Dis- Applying the DLX1414 Intelligent Display® Products Appnote 15 Figure 1. Block Diagram–DLX1414 Rows 0 to 6 Display Columns 0 to 19 Display Output Logic Ro w Co ntro l Lo g i c & Row Drivers Row Decoder ROM 128x35 Bit ASCII Character Decode 4480 Bits D6 D5 D4 D3 D2 D1 D0 Write Address Decoder RAM Memory Timing and Control Logic 4x7 Bit OSC ÷128 Counter ÷7 Counter 7 Bit ASCII Code RAM Read Logic Column Data WR A0 A1 3 2 1 0 |
同様の部品番号 - DLX1414 |
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同様の説明 - DLX1414 |
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