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Número de pieza | IZ7066 | |
Descripción | LCD Controller | |
Fabricantes | Integral | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de IZ7066 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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: 57 points cursor,
- RAM of display data 808 bits for 80
510 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 57 points - 192 symbols, 510
Voltage of LCD driver 3 ÷13 V.
points - 32 sybmols
multiplex 18: 57 points, 1 line
ROM of signgenerator can be
multiplex 111: 510 points, 1 line
programmed by the special symbols
multiplex 116: 57 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 – +85С
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 |
Páginas | Total 16 Páginas | |
PDF Descargar | [ Datasheet IZ7066.PDF ] |
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