LCD Graphic Module

LCD graphic module
LCD graphic module ADM16032C
Model No. ADM16032C
►LCD graphic module 160x32, Display LCD 160x32
►Monochrome Graphic LCD

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Product Details

LCD graphic module

LCD graphic module ADM16032C

Model No. ADM16032C

►LCD graphic module 160x32, Display LCD 160x32

►Monochrome Graphic LCD

►Built-in controller AX6120DOA

►1/32duty ,1/6 bias

►.LCD driver IC: AX6120DOA or Equivalent

►Easy interface with 8-bit MPU

Description of LCD graphic module ADM16032C

LCD graphic module ADM16032C is widely known in the LCD market because it is available in many varieties which gives it a lot of versatility to formulate any LCD mode and back-light color combination. LCD graphic module ADM16032C has very competitive pricing.LCD graphic module ADM16032C also offers these combinations without having to modify your PCB or software design.

Features

1. Display format: 160*32 dots matrix graphic

2. Easy interface with 8-bit MPU

3. Low power consumption

4. LED backlight

5. Driving method: 1/32 duty, 1/6 bias

6. LCD driver IC: AX6120DOA or Equivalent

Outline dimension

1.jpg

Absolute maximum ratings

Item

Symbol

Standard

Unit

Power voltage

VDD-VSS

0

-

7.0

V

Input voltage

VIN

VSS

-

VDD

Operating temperature range

Top

-20

-

+70

Storage temperature range

Tst

-30

-

+80

Block diagram

2.jpg

Interface pin description

Pin no.

Symbol

External connection

Function

1

A0

I

0: Instructions 1: data

2

E2

I

Enable signal for U2

3

E1

I

Enable signal for U1

4

R/W

I

Read/write select signal

5

VDD

Power supply

Power supply for logic (+5V) for LCM

6

VSS

Signal ground for LCM (GND)

7~14

DB0~DB7

I/O

Data bus [0~7] Bi-directional data bus

15

V0

I

Contrast adjust

16

E3

I

Enable signal for U3

Contrast adjust

3.jpg

Optical characteristics

STN type display module (Ta=25℃, VDD=5.0V)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Viewing angle

θ

Cr≥2

-60

-

35

deg

Φ

-40

-

40

Contrast ratio

Cr


-

8

-

-

Response time (rise)

Tr

-

-

200

250

ms

Response time (fall)

Tr

-

-

300

350

DC Electrical Characteristics

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Supply voltage for LCD

VDD-V5

Ta =25℃

-

6.5

-

V

Input voltage

VDD


4.8

5.0

5.3

Supply current

IDD

Ta=25℃, VDD=5.0V

-

2.0

3.5

mA

Input leakage current

ILKG


-

-

5.0

uA

“H” level input voltage

VIH


2.2

-

VDD

V

“L” level input voltage

VIL

Twice initial value or less

0

-

0.6

“H” level output voltage

VOH

LOH=-0.25mA

2.4

-

-

“L” level output voltage

VOL

LOH=1.6mA

-

-

0.4

Backlight supply voltage

VF


-

4.8

5.0

Backlight supply current

IF

V=5.0V, R=6.8 Ohm

-

130

240

mA

MPU bus read/write (68-family MPU)

Item

Symbol

Conditions

Min.

Max.

Unit

Address hold time

tAH6


10


ns

Address setup time

tAW6


20


System cycle time

tCYC6


1000


Data setup time

tDS6


80


Data hold time

tDH6


10


RD access time

tACC6

CL=100PF


90

Output disable time

tCH6

10

60

Enable pulse width

Read

tEW


100


Write


80


MCU Bus Read /write 68MPU

4(001).jpg

MPU bus read/write (80-family MPU)

Item

Symbol

Conditions

Min.

Max.

Unit

Address hold time

tAH8


10


ns

Address setup time

tAW8


20


System cycle time

tCC


200


Control pulse width

tCYC8


1000


Data setup time

tDS8


80


Data hold time

tDH8


10


RD access time

tACC8

CL=100PF


90

Output disable time

tCH8

10

60

7.jpg

FAQ

What are the LCM Operation Precautions?

(1) It is an indispensable condition to drive LCD within the specified voltage limit since the higher voltage than the limit causes the shorter LCD life. An electrochemical reaction due to direct current causes LCD's undesirable deterioration, so that the use of direct current driver should be avoided.

(2) Response time will be extremely delayed at lower temperature than the specified operating temperature range and on the other hand LCD's show dark blue color in the higher temperature. However, those phenomena do not mean any malfunction or display out of order with LCD's, which will come back in the specified operation temperature range.

(3) If the display area is pushed hard during operation, some fonts will be abnormally displayed. But it resumes normal condition after turning off once.

(4) A slight dew depositing on terminals could be a cause for electrochemical reaction resulting in terminal open circuit.

(5) Display contrast varies with the change of liquid crystal driving voltage (VO). Adjust VO to show the best contrast.

(6) Condensation on terminals can cause an electrochemical reaction disrupting the terminal circuit. Therefore, it is suggested to use the LCD under the relative condition of 40°C, 85% RH.

(7) When turning the power on, input each signal after the positive/negative voltage becomes stable.

5(001).jpg

(8) The backlight must be operated within the condition of specification. The overload current or too high voltage will reduce the life time or destroy the backlight.

2.What are the Handing Precautions ?

(1) The display panel is made of glass. Do not subject it to a mechanical shock by dropping it or impact.

(2) If the display panel is damaged and the liquid crystal substance leaks out, be sure not to get any in your mouth. If the substance contacts your skin or clothes, wash it off using soap and water.

(3) Do not apply excessive force to the display surface or the adjoining areas since this may cause the color tone to vary.

(4) The polarizer covering the display surface of the LCD module is soft and easily scratched. Please handle the polarizer carefully.

(5) If the display surface becomes contaminated, breathe on the surface and gently wipe it with a soft dry cloth. If it is

heavily contaminated, moisten cloth with one of the following solvents :

- Isopropyl alcohol

- Ethyl alcohol

(6) Solvents other than those above-mentioned may damage the polarizer. Especially, do not use the following.

- Water

- Ketone

- Aromatic solvents

(7) Exercise care to minimize corrosion of the electrode. Corrosion of the electrodes is accelerated by water droplets, moisture condensation or a current flow in a high-humidity environment.

(8) Install the LCD Module by using the mounting holes. When mounting the LCD module make sure it is free of twisting, warping and distortion. In particular, do not forcibly pull or bend the IO cable or the backlight cable.

(9) Do not attempt to disassemble or process the LCD module.

(10) NC terminal should be open. Do not connect anything.

(11) If the logic circuit power is off, do not apply the input signals.

(12) To prevent destruction of the elements by static electricity, be careful to maintain an optimum work environment.

- Be sure to ground the body when handling the LCD modules.

- Tools required for assembling, such as soldering irons, must be properly grounded.

- To reduce the amount of static electricity generated, do not conduct assembling and other work under dry conditions.

- The LCD module is coated with a film to protect the display surface. Exercise care when peeling off this protective film since static electricity may be generated.

3.What are the Installing Precautions

The hole in the printed circuit board is used to fix LCM as shown in the picture below. Attend to the following items when installing the LCM.

(1) Cover the surface with a transparent protective plate to protect the polarizer and LC cell.

6.jpg

(2) When assembling the LCM into other equipment, the spacer to the bit between the LCM and the fitting plate should have enough height to avoid causing stress to the module surface, refer to the individual specifications for measurements. The measurement tolerance should be 0.1mm.

4.What are the Storage Precautions

In case of storing for a long period of time for the purpose of replacement use, the following ways are recommended.

(1) Storage in a polyethylene bag with the opening sealed so as not to enter fresh air outside in it, and with no desiccant.

(2) Placing in a dark place where neither exposure to direct sunlight nor light is, keeping temperature in the range from -30°C to 80°C

(3) Storing with no touch on polarizer surface by anything else. (It is recommended to store them as they have been contained in the inner container at the time of delivery from us.)

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