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PD2435 Folha de dados(PDF) 9 Page - OSRAM GmbH |
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PD2435 Folha de dados(HTML) 9 Page - OSRAM GmbH |
9 / 11 page 2001 OSRAM Opto Semiconductors Inc.• San Jose, CA PD2535/6/7, PD3535/6/7, PD4435/6/7 www.infineon.com/opto • 408-456-4000 OSRAM Opto Semiconductors GmbH & Co. OHG • Regensburg, Germany www.osram-os.com • +49-941-202-7178 9 July 5, 2001-14 How to Load Information Into the Display Information loaded into the display can be either ASCII data or Control Word data. The following procedure (see also Typical Loading Sequence) will demonstrate a typical loading sequence and the resulting visual display. The word STOP is used in all of the following examples. Set Brightness Step 1 Set the brightness level of the entire display to your preference (example: 100%) Load Four Characters Step 2 Load an “S” in the left hand digit. Step 3 Load a “T” in the next digit. Step 4 Load an “O” in the next digit. Step 5 Load a “P” in the right hand digit. If you loaded the information correctly, the display now should show the word “STOP.” Blink a Single Character Step 6 Into the digit, second from the right, load the hex code “CF,” which is the code for an “O” with the D7 bit added as a control bit. Note: The “O” is the only digit which has the control bit (D7) added to normal ASCII data. Typical Loading Sequence * Blinking character † Character alternating with cursor (all dots lit) CEO CE1 RD WR A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 Display 1. LH H LLX X 00000011 2. LH H L H H H 01010011S 3. LH H L H H L01010100ST 4. LH H L H L H 01001111STO 5. LH H L H LL01010000 STOP 6. LH H L H L H 11001111 STOP 7. LH H LLX X 00010111 STO*P 8. LH H L H H H 11010011 S*TO*P 9. LH H LLX X 00011111S†TO†P 10. LH H LLX X 00100011 S*T*O*P* Step 7 Load enable blinking character into the control word register. The display should show “STOP” with a flashing “O”. Add Another Blinking Character Step 8 Into the left hand digit, load the hex code “D3” which gives an “S” with the D7 bit added as a control bit. The display should show “STOP” with flashing “O” and a flashing “S.” Alternate Character/Cursor Enable Step 9 Load enable alternate character/cursor into the control word register. The display now should show “STOP” with the “O” and the “S” alternating between the letter and cursor (all dots lit). Initiate Four Character Blinking (Regardless of Control Bit setting) Step 10 Load enable display blinking. The display now should show the entire word “STOP” blinking. |
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