Character LCD Display STN

Character LCD Display STN

Character LCD display STN
Character LCD display STN ADM1601C
Model No. ADM1601C
►character LCD display STN
►Character LCD

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Product Details

Character LCD display STN

Character LCD display STN ADM1601C

Model No. ADM1601C

►character LCD display STN

►Character LCD

►5 x 8 dots includes cursor

►Built-in controller ST7066

►5V/3.0V power supply

►1/16 duty cycle

Description of character LCD display STN ADM1601C

Character LCD display STN ADM1601C has STN yellow-green, blue and gray LCD types available.

Character LCD display STN ADM1601C is also available for without backlight or with LED backlight options. The LEDs can be driven by pin 1, pin 2, or pin 15 pin 16 or A/K.

Features

1. 5x8 dots with cursor

2. Built-in controller (ST7066 or equivalent)

3. +5V power supply (also available for =3.0V)

4. 1/16 duty cycle

5. Easy interface with 4-bit or 8-bit MPU

6. BKL to be driven by pin1, pin2, or pin15, pin16 or A, K

7. 16x1 characters

Description of Outline dimension

1.jpg

Absolute maximum ratings

Item

Symbol

Standard

Unit

Power voltage

VDD-VSS

0

-

7.0

V

Input voltage

VIN

-0.3

-

VDD+0.3

Operating temperature range

Top

0

-

+50

Storage temperature range

Tst

-10

-

+60

*Wide temperature range is available

(operating/storage temperature as –20~+70/-30~+80℃)

Block diagram

2.jpg

Interface pin description

Pin no.

Symbol

External connection

Function

1

VSS

Power supply

Signal ground for LCM (GND)

2

VDD

Power supply for logic (+5V) for LCM

3

V0

Contrast adjust

4

RS

MPU

Register select signal

5

R/W

MPU

Read/write select signal

6

E

MPU

Operation (data read/write) enable signal

7~10

DB0~DB3

MPU

Four low order bi-directional three-state data bus lines.
Used for data transfer between the MPU and the LCM.
These four are not used during 4-bit operation.

11~14

DB4~DB7

MPU

Four high order bi-directional three-state data bus lines.
Used for data transfer between the MPU

15

A(LED+)

LED BKL power supply

Power supply for BKL (Anode)

16

K(LED-)

Power supply for BKL (GND)

3.jpg

FAQ

1.What is COB LCD modules?

COB (Chip-On-Board) LCD modules are passive-matrix displays designed with a pcb, where the controller IC or driver is directly mounted on the back of the PCB, and the PCB is affixed to the LCD glass. The COB mounting method allows for easy assembly of the display to any design application.

2.What is LCD display ?

A liquid crystal display (LCD) is a type of display which uses the light modulating (polarizing) properties of liquid crystals. They are semi-solid crystals arranged on a substrate. Liquid crystals do not emit light directly, they are the medium that helps the light to bend/rotate.

3.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.

4.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.

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