20x2 character COB LCD MODULE

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Basic Info

Model No.	OVM2002D
Brand Name	ONVISION

Product description

Specifications 1)20X2 characters LCD module

2)module size:116x37mm

3)Display Mode & Backlight Variations

4)4bit or 8bit parallel interface

Mechanical dimensions ?

Feature????
1. 20 character *?2 lines display
2. Built-in controller(S6A0069 or compliant) ?
3. with 4-bit or 8-bit parallel interface????
4. 1/16 Duty cycle, 1/5 Bias.????
5. Display Mode & Backlight Variations.????
6. ROHS Compliant Mechanical thickness

LCD module	T1	T2	Unit
Without or EL	4.6	9.5	mm
Edge backlight	9.3	13.5	mm
Bottom backlight	9.3	13.5	mm

? Mechanical data

Item	Standard	Unit
Module size	116.0X37.0	mm
View area	83.0X18.6	mm
Dot size	0.60X0.65	mm
Character size	3.20X5.55	mm

? Interface pin connections

Pin NO	Symbol	Function
1	VSS	Power supply for logic(0V)
2	VDD	Power supply for logic(5V)
3	V0	Contrast adjustment
4	RS	Register select signal
5	RW	Read/Write signal
6	E	Enable signal
7~14	DB0--DB7	8-bit data bus
15	LED+	Power supply for Backlight
16	LED-	Power supply for Backlight

? Electronical characteristics

Item	Symbol	Condition	Standard			Unit
Item	Symbol	Condition	Min	Typ	Max	?
Operating voltage	V_DD	V_DD=5.0V	4.5	---	5.5	V
Operating voltage	V_DD	V_DD=3.3V	2.7	3.3	5.5	?
Operating current	I_DD	V_DD=5.0V	---	1.5	---	mA
Recommended LCD driving voltage for normal temp module	V_LCD	T_A=+50°C	---	4.3	---	V
		T_A=+25°C	---	4.5	---
		T_A=-0°C	---	4.8	---
Backlight voltage	V_LED	Y-G	---	4.2	---	V
Backlight current	I_LED	V_LED=4.2V	---	140	---	mA
Operating temperature	T_o	---	-20	---	70	°C
Storage temperature	T_S	---	-30	---	80	°C

?*Note: backlight current value is as without on-board resistor