PDF IZ7066 Data sheet ( Hoja de datos )

Número de pieza	IZ7066
Descripción	LCD Controller
Fabricantes	Integral
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No Preview Available ! IZ7066 IZ7066 LCD Controller with Built-in ROM of Sign Generator Purpose Peculiarities   Controller –driver of matrix LCD  Internal memory   Built-in LCD control (16 lines and 40 - ROM of symbol generator 8320 bits columns) - RAM of symbol generator 512 bits  Symbol format: 57 points  cursor, - RAM of display data 808 bits for 80  510 points  cursor digits   Compatible with 4 and 8 digit  Built-in automatic reset by power supply on mocroprocessors.  Built-in generator circuit  Set of ROM symbols of the signgenerator: Supply voltage 2.7 ÷ 5.5 V  format 57 points - 192 symbols, 510 Voltage of LCD driver 3 ÷13 V. points - 32 sybmols multiplex 18: 57 points, 1 line   ROM of signgenerator can be multiplex 111: 510 points, 1 line programmed by the special symbols multiplex 116: 57 points, 2 lines   ROM of signgenerator can be programmed by Customer  Flexible set of commands  «Clear the screen», «Shift of cursor», «Switch on  Switch off screen», «Swift of Packageless version  Pin designation complies with the microcircuits KS0066, HD44780, SED1278  Temperature range -30 – +85С  Screen», «Enable  Disable cursor»,  «Read-out, write of data», «Shift of cursor» Description Microcircuit IZ7066 performs the functions of controller and matrix liquid crystal display driver, displaying the signs and symbols. All functions, which are necessary for control of the matrix LCD, are realized on the single chip. I N TEGRAL 1 1 page IZ7066 Identification of Contact Pads Table 2. No. of Identifi- Contact Pad cation Purpose 01 SEG22 LCD columns control pin 02 SEG21 LCD columns control pin 03 SEG20 LCD columns control pin 04 SEG19 LCD columns control pin 05 SEG18 LCD columns control pin 06 SEG17 LCD columns control pin 07 SEG16 LCD columns control pin 08 SEG15 LCD columns control pin 09 SEG14 LCD columns control pin 10 SEG13 LCD columns control pin 11 SEG12 LCD columns control pin 12 SEG11 LCD columns control pin 13 SEG10 LCD columns control pin 14 SEG9 LCD columns control pin 15 SEG8 LCD columns control pin 16 SEG7 LCD columns control pin 17 SEG6 LCD columns control pin 18 SEG5 LCD columns control pin 19 SEG4 LCD columns control pin 20 SEG3 LCD columns control pin 21 SEG2 LCD columns control pin 22 SEG1 LCD columns control pin 23 GND Pin for connection of voltage 0 V. 24 OSC1 Pins are used for connection of the external resistor or quartz resonator 25 OSC2 26 V1 Pins for connection of the potentials, commutated to the pins, controlled by means of the LCD matrix 27 V2 28 V3 29 V4 30 V5 31 CL1 Pins serve for transfer control of the serial data into the columns driver 32 CL2 33 Udd Pin for connection of voltage. 34 M Pin serves for cycling the signal on the LCD elements 35 D Pin serves for transfer of the serial data 36 RS «0»- selection of command register «1»- selection of command register 37 R/W «0»- data write «1»- data read-out 38 E Permission of write/read-out operation I N TEGRAL 5 5 Page IZ7066 Electric Characteristics (Та = 25±10°С ) Table 7. Electric Parameters (Udd = 4.5–5.5 V) Parameter Description, Unit of Measurement Letter Identi- fica- tion Description of Pins High level output voltage, V Uoh1 DB0–DB7 Measure- ment mode Norm Ioh= –0.205 mА Not less 2.4 Not more – Re- mark s Вlow level output voltage, V Output voltage drop at the formers, V High level input current, uА Low level input current, uА Вlow level input current, uА Consumption current, mА Frequency of the built-in generator, kHz Uoh2 Uo11 CLK1, CLK2, M, D DB0–DB7 Ioh= –40uА Io1= 1.2 mА 0.9Udd – – 0.4 Uo12 Ud Iih IIL1 IIL2 Idd Fec CLK1, CLK2, M, D COM1– COM16, SEG1– SEG40 E E RS,R/W DB0–DB7 Io1=40uА Io=0.1mА Vin= Udd Udd=5 V Vin=0 Udd=5 V Vin=0 V Udd=5 V Fext=270vkh kHz Udd=5 V Rf=91кОhм 2%, Udd=5Vlow level – – – │–50│ 190 0.1Udd 1 1.0 │–1.0│ │–250│ 0.6 350 (1) Table 8. Electric Parameters (Udd = 2.7–4.5 V) Parameter Description Unit of Measurement High level output voltage, V Low level output voltage, V Letter Identi ficati on Description of Pins Measure- ment Mode Uoh1 DB0–DB7 Ioh= –0.1 mА Uoh2 CLK1, CLK2, M, D Uo11 DB0–DB7 Ioh= –40uА Io1= 0.1 mА Uo12 CLK1, CLK2, M, Io1=40 uА D Norm Not less 0.75Ud d 0.8Udd Not more - - - 0.2Udd - 0.2Udd Re mar ks I N TEGRAL 11 11 Page

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