Display LCD 12x2, Small LCD Displays, Miniature LCD Display - WH1202A

Display LCD 12x2, Small LCD Displays, Miniature LCD Display

Model No. WH1202A

►Character LCD 12x2
►Small LCD Displays, Miniature LCD Display
►5x8 dots includes cursor
►5V power supply (Also available for 3V)
►Negative voltage optional for 3V power supply
►1/16 duty cycle
►Interface: 6800 (ST7066 IC), option SPI/I2C (RW1063 IC)

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Description

WH1202A model is a 12 character by 2 line small LCD display which having the outline dimension of 55.7 x 32 mm, diagonal size 1.6 inch. The WH1202A display LCD 12x 2 modules include positive mode with gray or yellow/green LCD and negative mode with blue LCD color options. These miniature LCD displays have different interfaces available, built in with ST7066 controller which default 6800 4/8-bit parallel interface, or optional SPI and I2C by using RW1063 IC.

There are three interface options for WH1202A series, details as below:
►WH1202A : 6800 interface (ST7066 IC)
►WH1202A1: SPI interface (RW1063 IC)
►WH1202A2: I2C interface (RW1063 IC)

DRAWING

Display LCD 12x2, Small LCD Displays, Miniature LCD Display - WH1202A - Winstar

Data source ref：WH1202A-TMI-JT

SPECIFICATIONS

12x2 Character LCD Datasheet

Interface Pin Function

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

General Specification

Item	Dimension	Unit
Number of Characters	12 characters x 2 lines	-
Module dimension	55.7 x 32.0 x 14.5 (MAX)	mm
View area	46.0 x 14.5	mm
Active area	37.85 x 11.7	mm
Dot size	0.45 x 0.60	mm
Dot pitch	0.55 x 0.70	mm
Character size	2.65 x 5.50	mm
Character pitch	3.20 x 6.20
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℃	－ 4.1 3.5	－ 4.2 －	5.7 4.3 －	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	0.5	1.0	2.0	mA

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