5.6-inch 40x4 Character LCD Display -WH4004A1

5.6-inch 40x4 Character LCD Display

Model No. WH4004A1

►Character Display LCD 40x4
►Type: Character
►Structure : COB
►Size: 5.6 inch
►40 characters x 4 Lines
►5x8 dots includes cursor
►IC: ST7066
►+5V power supply (Also available for +3V)
►Negative voltage option is only for the +3V power supply
►1/16 duty cycle
►Interface: 6800
►LED can be driven by PIN1, PIN2, PIN17, PIN18 or A and K

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Description

WH4004A1 is a 5.6-inch 40x4 character LCD display module featuring 40 characters per line and 4 lines with a 5x8 dot matrix character format. The module measures 190.0 x 54.0 x 13.6 mm and has a viewing area of 147.0 x 29.5 mm.

The WH4004A1 is built with the ST7066U controller IC and supports a 6800 4/8-bit parallel interface by default. The module operates from a 5V power supply, with a 3V version also available. A negative voltage option is available only for the 3V version.

Multiple LCD configurations are available, including positive gray, positive yellow-green, negative blue, and positive or negative FSTN options. LED backlight colors include yellow-green, blue, green, white, amber, and red. The LED backlight is connected through pins 17/18 (A/K). The module operates from -20°C to +70°C and can be stored from -30°C to +80°C.

Different character font sets are available with the ST7066U controller, including English/Japanese, Western European, Eastern European, Scandinavian European, Cyrillic (Russian), and Hebrew/Arabic.

DRAWING

WH4004A1 - 40x4 Character LCD Display, LCD Display 40x4, Winstar Display LCD 40x4

SPECIFICATIONS

40x4 Character LCD Datasheet

General Specification

Item	Dimension	Unit
Number of Characters	40 characters x 4Lines	-
Module dimension	190.0 x 54.0 x 13.6 (MAX)	mm
View area	147.0 x 29.5	mm
Active area	140.45 x 23.16	mm
Dot size	0.50 x 0.55	mm
Dot pitch	0.57 x 0.62	mm
Character size	2.78 x 4.89	mm
Character pitch	3.53 x 6.09
Duty	1/16
Backlight Type	LED
IC	ST7066U
Interface	68 series

Absolute Maximum Ratings

Item	Symbol	Min	Typ	Max	Unit
Operating Temperature	TOP	-20	-	+70	℃
Storage Temperature	TST	-30	-	+80	℃
Input Voltage	VI	VSS	-	VDD	V
Supply Voltage For Logic	VDD-VSS	-0.3	-	7	V
Supply Voltage For LCD	VDD-Vo	-0.3	-	13	V

Electrical Characteristics

Item	Symbol	Condition	Min	Typ	Max	Unit
Supply Voltage For Logic	VDD-VSS	-	4.5	5.0	5.5	V
Supply Voltage For LCD	VDD-V0	Ta=-20℃ Ta=25℃ Ta=70℃	－ 4.2 3.8	－ 4.35 －	5.7 4.5 －	V V V
Input High Volt.	VIH	-	0.7 VDD	-	VDD	V
Input Low Volt.	VIL	-	VSS	-	0.6	V
Output High Volt.	VOH	-	3.9	-	VDD	V
Output Low Volt.	VOL	-	0	-	0.4	V
Supply Current	IDD	VDD=5.0V	1.8	3.5	7.0	mA

Interface Pin Function

Pin No.	Symbol	Level	Description
1	DB7	H/L	Data bus line
2	DB6	H/L	Data bus line
3	DB5	H/L	Data bus line
4	DB4	H/L	Data bus line
5	DB3	H/L	Data bus line
6	DB2	H/L	Data bus line
7	DB1	H/L	Data bus line
8	DB0	H/L	Data bus line
9	E1	H,H→L	Chip enable signal
10	R/W	H/L	H: Read(Module→MPU) L: Write(MPU→Module)
11	RS	H/L	H: DATA, L: Instruction code
12	VO	(Variable)	Operating voltage for LCD
13	VSS	0V	Ground
14	VDD	5.0V	Supply Voltage for logic
15	E2	H,H→L	Chip enable signal
16	NC	-	NC
17	A	-	Power Supply for LED+
18	K	-	Power Supply for LED-

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