2.4 inch lcd display screen ili9341v

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DESCRIPTION

K240B4020 is a 2.4 inch tft LCD module with optional resistive touch screen and capacitive touch screen control with a resolution of 240×320 pixels. This size TFT LCD display is portrait mode with wider viewing angle by POL adjustment, left: 45/right: 45/up: 45/down: 20 degrees (typical).Optional RTP or CTP.

This K240B4020 module has built-in ILI9341V controller IC, supports RGB/MCU or SPI interface, the power supply voltage (VCC) range is 3.0V to 3.6V, the brightness is 380 nits (typ), and the contrast ratio is 800:1. The module is Industrial ideal for medical equipment, GPS navigators, etc. The module can operate from -20°C to +70°C; its storage temperature range is -30°C to +80°C.

DRAWING

SPECIFICATIONS

General Specifications

Item	Contents	Unit
Size	2.4	inch
LCM Dimension	42.72（W）* 59.46（H） * 2.50(T)	mm
LCD Active Area	36.72* 48.96	mm
Number Of Dots	240×320	pixel
LCD Type	a-Si TFT
Viewing Direction	12 O’CLOCK
Driver IC	ILI9341V
Interface Type	RGB/MCU/SPI
Operating Temperature	-20℃~ 70℃
Storage Temperature	-30℃~ 80℃
Backlight Type	4 LEDs
Brightness	380	Cd/m2

Interface

LCM PIN Definition

NO.	Symbol	Description
1	SDI	Serial Data Input
2	SDO	Serial Data Output
3	IM0	I/O  choose
4	IM1	I/O  choose
5	IM2	I/O  choose
6	IM3	I/O  choose
7	RESET	Reset pin
8	VS	Frame Synchronizing Signal
9	HS	Line Synchronizing Signal
10	DCLK	Dot Clock Signa
11	DE	Data Enable Signal
12	DB17	Data Bus
13	DB16	Data Bus
14	DB15	Data Bus
15	DB14	Data Bus
16	DB13	Data Bus
17	DB12	Data Bus
18	DB11	Data Bus
19	DB10	Data Bus
20	DB9	Data Bus
21	DB8	Data Bus
22	DB7	Data Bus
23	DB6	Data Bus
24	DB5	Data Bus
25	DB4	Data Bus
26	DB3	Data Bus
27	DB2	Data Bus
28	DB1	Data Bus
29	DB0	Data Bus
30	RD	Read signal, rising-edge-active.
31	WR	Write signal, rising-edge-trigger./ Destination register selection.
32	DC	Data/Command register address./ Serial  Clock
33	CS	Chip enable, Low-active.
34	GND	Ground
35	VCC	POWER SUPPLY
36	IOVCC	I/O   POWER SUPPLY
37	NC	NC
38	NC	NC
39	LEDK	BACKLIGHT CATHODE
40	LEKA	BACKLIGHT ANODE

DC Characteristics

Item	Symbol	Min	Typ	Max	Unit
TFT gate on voltage	VGH	13	15	—	V
TFT gate off voltage	VGL	—	-10	—	V
TFT common electrode Voltage	Vcom	—	-1	—	V

Typical Operation Conditions

Item	Symbol	Min.	Typ.	Max.	Unit
Analog Supply Voltage	VCI	2.5	2.8	3.3	V
Digital Supply Voltage	VDD	2.5	2.8	3.3	V
I/O Supply Voltage	IOVCC	1.65	1.8/2.8	3.3	V
Input High Voltage	VIH	0.8*IOVCC	–	IOVCC	V
Input Low Voltage	VIL	0	–	0.2*IOVCC	V
Output High Voltage	VOH	0.8*IOVCC	–	–	V
Output Low Voltage	VOL	–	–	0.2*IOVCC	V

Backlight Circuit Characteristics

Item	Symbol	Min.	Typ.	Max.	Unit
LED Current	IB	—	15	20	mA
LED Voltage	Vf	11.2	12	12.8	V
CIE	X	0.265	0.295	0.325
	Y	0.26	0.29	0.32
Brightness of LCM	L		380		cd/m2

Reliability Test Items

Test Item	Test Condition	Test result determinant gist
High temperature storage	80±3 ℃，48H；
Low temperature storage	-30±3 ℃，48H；
High temperature storage	70±3 ℃，48H；	Inspection after 2~4hours storage at roomtemperature,
Low temperature operation	-20±3 ℃，48H；	the sample shall be free from defects:
High temperature/humidity	60℃±3 ℃,90%±3%RH ，48H；	1.Air bubble in the LCD;
Thermal Shock	~20℃/0.5h~+70℃/0.5h	2.Non-display;
	for a total 24 cycles；
Vibration Test	Frequency 10Hz~55Hz~10Hz	3.Glass crack;
	Amplitude：1.5mm, X，Y，Z
	direction for total 1H；	4. The electrical
	(Packing condition)
ESD test	±4KV, Human Body Mode,	characteristics requirements shall be satisfied.
	150pF/330Ω；
	±8KV, Air Mode, 150pF/330Ω；

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