Monochrome Display

Monochrome display
Monochrome display ADM1601A
Model No. ADM1601A
►monochrome display
►Character LCD

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Product Details

Monochrome display

Monochrome display ADM1601A  

Model No. ADM1601A

►monochrome display

►Character LCD

►5 x 8 dots includes cursor

►Built-in controller ST7066

►5V power supply

►1/16 duty cycle

Description of monochrome display ADM1601A  

Monochrome display ADM1601A character LCD Display is made of 16 x 1 dots matrix. This display

16x1 character model is built-in ST7066 or equivalent which is Easy interface with 4-bit or 8-bit MPU.

Monochrome display ADM1601A backlight is driven by pin1, pin2, or pin15, pin16 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

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 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

LED+

LED BKL power supply

Power supply for BKL (Anode)

16

LED-

Power supply for BKL (GND)

Contrast adjust

3(001).jpg

VDD~V0: LCD Driving voltage

VR: 10k~20k

Optical characteristics

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

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Viewing angle

θ

Cr≥4

-25

-

-

deg

Φ

-30

-

30

Contrast ratio

Cr


-

2

-

-

Response time (rise)

Tr

-

-

120

150

ms

Response time (fall)

Tr

-

-

120

150

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

Electrical characteristics

DC characteristics

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Supply voltage for LCD

VDD-V0

Ta =25℃

-

4.5

-

V

Input voltage

VDD


4.7

-

5.5

Supply current

IDD

Ta=25℃, VDD=5.0V

-

1.5

2.5

mA

Input leakage current

ILKG


-

-

1.0

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 current

IF

VF=5.0V

-

-


mA

Read cycle (Ta=25℃, VDD=5.0V)

Parameter

Symbol

Test pin

Min.

Typ.

Max.

Unit

Enable cycle time

tc

E

500

-

-

ns

Enable pulse width

tw

230

-

-

Enable rise/fall time

tr, tf

-

-

20

RS; R/W setup time

tsu

RS; R/W

40

-

-

RS; R/W address hold time

th

10

-

-

Data output delay

td

DB0~DB7

-

-

120

Data hold time

tdh

5

-

-

Write cycle (Ta=25℃, VDD=5.0V)

Parameter

Symbol

Test pin

Min.

Typ.

Max.

Unit

Enable cycle time

tc

E

500

-

-

ns

Enable pulse width

tw

230

-

-

Enable rise/fall time

tr, tf

-

-

20

RS; R/W setup time

tsu1

RS; R/W

40

-

-

RS; R/W address hold time

th1

10

-

-

Data output delay

tsu2

DB0~DB7

80

-

-

Data hold time

th2

10

-

-

4.jpg

FAQ

1.ADVANTAGES OF REFLECTIVE LCD POLARIZERS:

The brighter the ambient light (the light that is available from the sun, office lights, etc.) the sharper the contrast and the easier it is to read.

2.DISADVANTAGES OF REFLECTIVE LCD POLARIZERS:

A backlight will not illuminate the display since any light placed behind the polarizer will be blocked from passing through to the front piece of glass.

3.ADVANTAGES OF TRANSMISSIVE LCD POLARIZERS:

The backlight behind a Transmissive polarizer will be brighter than the same backlight behind a Transflective polarizer, making the overall display brighter. It is also possible to reduce the LED driving current with a goal of extending the half-life of the backlight.

4.DISADVANTAGES OF TRANSMISSIVE LCD POLARIZERS:

The display is difficult to read when the backlight is off, making this a poor choice for battery powered products requiring a low current draw. The driving current of the backlight can range from 15mA and higher. Also, when turned on, the image will be ‘washed’ out by direct sunlight.

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