High Contrast Negative Mode LCD Display Module

High Contrast Negative Mode LCD Display Module

High contrast negative mode LCD display module
High contrast negative mode LCD display module ADG9680A1
Model No. :ADG9680A1
►96x80 COG display
►Graphic LCD

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Product Details

High contrast negative mode LCD display module

High contrast negative mode LCD display module ADG9680A1

Model No. :ADG9680A1

►96x80 COG display

►Graphic LCD

►Built-in controller ST7571

►5V power supply

►1/65 Duty, 1/9 Bias

►Interface Input Data : 4 wire SPI 6800/8080

Description of high contrast negative mode LCD display module ADG9680A1

High contrast negative mode LCD display module are LCDs where the characters/icons are brighter colored against a dark, black background. Providing a very sharp contrast. High contrast negative mode LCD display module has sharper contrast than FSTN .

1. FEATURES

The features of LCD are as follows

* Display mode :DFSTN , Negative, Transmissive

* Display dot Color :White

* Display Format : 96Dots × 80Dots graphic

* IC : ST7571_V1.

* Interface Input Data :4 wire SPI 6800/8080

* Driving Method : 1/80 Duty, 1/10 Bias

* Viewing Direction : 12 O’clock

* Backlight : LED( BLUE)

2. MECHANICAL SPECIFICATIONS

Item

Specification

Unit

Module Size

24(W) X29.5(H) X3.9(T)

mm

Viewing Area

20.6(W) X 20.6(H)

mm

Effective Display Area

17.2(W) X17.5(H)

mm

Number of Dots

96 X 80 Dots

-

Dot Size

0.164(W) X 0.204(H)

mm

Dot Pitch

0.179(W) X 0.219(H)

mm

3. ELECTRICAL SPECIFICATIONS

3-2-1.Electrical Characteristics

Item

Symbol

Test
Condition

Min.

Typ.

Max.

Unit

Supply Voltage For Logic

VDD – VSS

Ta=25℃

2.4

3.1

3.3

V

Supply Voltage For LCD

Vop

Ta=25℃

9.6

9.8

10.0

V

Input Voltage

“H” Level

V IH

Ta=25℃

0.7VDD

-

VDD

V

“L” Level

V IL

VSS

-

0.3VDD

V

Output Voltage

“H” Level

V OH

IOUT= -0.5mA

0.8VDD

-

VDD

V

“L” Level

V OL

IOUT= 0.5mA

VSS

-

0.2VDD

V

Current Consumption

IDD

VIN = VDD

-

-

2

mA

NOTE: 1) Duty ratio=1/80, Bias=1/10 2) Measured in Dots ON-state

3-3. BACKLIGHT

3-3-1. Absolute Maximum Ratings

Item

Symbol

Condition

Min.

Typ.

Max

Unit

Forward Current

IF

Ta= 25℃

-

-

30

mA

Reverse Voltage

VR

-

-

5

V

3-3-2. Opto-electronic Characteristics

Item

Symbol

Condition

Min.

Typ.

Max

Unit

Forward Voltage

VF

Ta= 25℃
IF=15mA

-

3.1

3.3

V

Bl Luminous

-

-

940

-

cd/m²

* The brightness is measured without LCD panel

4. ELECTRO – OPTICAL CHARACTERISTICS

No

Parameter

Symbol

Temp

Value

Unit

Note

(C)

Min

Typ

Max

1

Driving voltage

Vop

0

9.9

10.2

10.5

V

1

25

9.6

9.8

10.0

50

9.3

9.6

9.9

2

Response time

Tr

0

N/A

298.6.

750

ms

5

25

N/A

96.2

200

Tf

0

N/A

512.5

450

25

N/A

167.5

200

3

Viewing Angle

⊙2-⊙1

25

60

60

N/A

Deg

3.4

30

53

N/A

4

Contrast Ratio

K

25

2.00

2.12

3.25

 

2

5

Frame Frequency

Ff

N/A

58

64

70

Hz

2

2(002).jpg

5. Interface Pin Function

Pin NO.

Symbol

I / O

Functions

1

VG

I

VG is the LCD driving voltage for segment circuits.

2

VD1

I

When DCPS=L, output voltage=2.4V.
When DCPS=H, output voltage=VDD1.

3

XV0

I

XV0 is the LCD driving voltage for common circuits at positive frame.

4

V0

I

V0 is the LCD driving voltage for common circuits at negative frame.

5

VM0

I

VMO is the output of VM, which is the LCD driving voltage for common circuits.
A storage capacitor on FPC or system for VM is required.
Be aware that: 0.7V < VM < VDD2.

6

VSS

I/O

Ground for digital circuit.

7

VDD

P

Power supply for digital circuit

8

SID

O

Serial input data.

9

SCLK

O

Serial input clock.

10

A0

O

Register select input pin.
A0 = “H”: DB0 to DB7 are display data.
A0 = “L”: DB0 to DB7 are control command.
A0 is not used in serial 3-Line and I2C interface; it is recommended to fix A0 at “H” by VDD1.

11

RST

O

Reset input pin.
When RST is “L”, initialization is executed

12

CSB

O

Chip select input pin.
The interface is enabled only when CSB is "L" (except I2C Interface).
When CSB is non-active, DB[7:0] are high impedance.
CSB is not used in I2C interface; it is recommended to fix CSB at “H” by VDD1.

13

A

O

Power supply for backlight.

14

K

O

Ground supply for backlight.

OUTLINE DIMENTION

9.jpg

10.jpg

FAQ

1.What are FSTN and FFSTN (DFSTN) ?

· FSTN – Film compensated STN, Formulated STN or Filtered STN. A passive matrix LCD technology that uses a film compensating layer between the STN display and rear polarizer for added sharpness and contrast. It was used in laptops before the DSTN method became popular and many early 21st Century cellphones.

· FFSTN – Double film super-twist nematic

2.When are SPI interfaces used ?

SPI interfaces are used when the micro-controller has to transmit data to a device without an internal clock. This is precisely the situation that occurs when we use the MicroStamp11 to transmit data to the shift-register. The MicroStamp11 has an internal clock, but the shift-register has no clock. We usually think of the device with the clock as a master and the other device as a slave.

3.What is COG display ?

COG stands for chip-on-glass technology in reference to displays. The driver IC in this construction form is applied directly onto the glass and generates the necessary multiplex rates and bias voltages for the segment/pixel drive. Thereby only the power supply and a communication interface (e.g. I2C, SPI) must be made available on the user side. Only a few lines from the COG module to the board are needed with these serial interfaces,. Usually the contacting of the COG modules takes place via FPC or PINs

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