MC14489P Freescale Semiconductor, Inc, MC14489P Datasheet
MC14489P
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MC14489P Summary of contents
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... Using the MC68HC05B4 and the MC14489 and Engineering Bulletin EB153, Driving a Seven–Segment Display with the N BitGrabber is a trademark of Motorola Inc. MICROWIRE is a trademark of National Semiconductor Corp. REV 3 10/95 MOTOROLA Motorola, Inc. 1995 MC14489 ORDERING INFORMATION MC14489P MC14489DW PIN ASSIGNMENT registers augment BANK 1 ...
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DATA IN 11 CLOCK 10 ENABLE BitGrabber CONFIGURATION REGISTER 8 BITS OSCILLATOR AND POR CONTROL LOGIC 5 BANK SWITCHES (FETs BANK 1 BANK 2 BANK 3 BANK 4 BANK 5 MAXIMUM RATINGS* (Voltages Referenced ...
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ELECTRICAL CHARACTERISTICS (Voltages Referenced – 130 C* unless otherwise indicated) Symbol Parameter V DD Power Supply Voltage Range of LED Drive Circuitry V DD (stby) Minimum Standby Voltage V IL Maximum ...
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AC ELECTRICAL CHARACTERISTICS Symbol f clk Serial Data Clock Frequency, Single Device or Cascaded Devices NOTE: Refer to Clock t w below (Figure 1) t PLH , Maximum Propagation Delay, Clock to Data Out t PHL (Figures 1 and 5) ...
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CLOCK 50% 10 1/f clk t PLH t PHL 90% DATA OUT 50% 10% t TLH t THL Figure 1. VALID 50% DATA 50% CLOCK Figure ...
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PIN DESCRIPTIONS DIGITAL INTERFACE Data In (Pin 12) Serial Data Input. The bit stream begins with the MSB and is shifted in on the low–to–high transition of Clock. When the device is not cascaded, the bit pattern is either 1 ...
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Anode–Driver Current Sources. These outputs are close- ly–matched current sources which directly tie to the anodes of external discrete LEDs (lamps) or display segment LEDs. Each output is capable ...
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Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç ...
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Table 1. Triple–Mode Segment Decoder Function Table Bank Nibble Value Binary MSB Hexadecimal $ ...
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1ST BYTE SHIFTED IN CONFIGURATION REGISTER OF DEVICE 2 IN FIGURE 11 D23 D22 D21 D20 D19 D18 D17 D16 D15 D14 D13 D12 D11 1ST BYTE SHIFTED IN h BITS BANK AND 5 DIMMER NIBBLE BIT ...
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OPTIONAL DATA OUT CMOS DATA IN MCU/MPU CLOCK ENABLE Figure 10. Non–Cascaded Application Example: 5 Character Common Cathode LED Display with Two Intensities as Controlled via Serial Port ...
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Figure 12. Bit Stream Formats for Three Devices Cascaded MC14489 12 MOTOROLA ...
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Figure 13. Bit Stream Formats for Four Devices Cascaded MOTOROLA MC14489 13 ...
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Figure 14. Bit Stream Formats for Five Devices Cascaded MC14489 14 MOTOROLA ...
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V CMOS MCU/MPU NOTE: R1 limits the maximum current to avoid damaging the display and/or the MC14489 due to overheating. See the Thermal Considerations section. An 1/8 watt resistor may be used for R1 ...
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MC14489 BANK 1 BANK 2 BANK 3 BANK 4 BANK 5 3 CMOS MCU/MPU * If required, this group of lamps can be independently controlled. To accomplish independent control, ...
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Figure 18. 4–Digit Display Plus Decimals with Four Annunciators Figure 19. Compact Display System with Three Components MOTOROLA BANK 1 BANK 5 TO BANK ...
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The MC14489 is designed to operate with a chip–junction temperature ( ranging from – 130 C, as indicated in the electrical characteristics tables. The ambient operating temperature range ( dependent ...
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Table 2. LED Lamp and Common–Cathode QT Optoelectronics Hewlett–Packard (HP), Components Group Industrial Electronic Engineers (IEE), Component Products Div. Purdy Electronics Corp., AND Product Line NOTE: Motorola cannot recommend one supplier over another - -T- SEATING PLANE E ...
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D 20X 0.010 (0.25 18X K Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee ...