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3.2 inch tft lcd display

►Resolution : 240×320 dots
►View Direction: 12 o’clock
►Interface: SPI
►Driver IC: ST7789V
►RTP/CTP: Optional
►Brightness(cd/m²): 400
►Outline Dimension: 55.04(W)* 77.20(H) * 2.5(T) mm

DESCRIPTION

The K320I20300 is a 3.2 inch tft lcd display with optional resistive touch screen and capacitive touch screen control with a resolution of 240×320 pixels. This size TFT LCD monitor is portrait mode with wider viewing angle by POL adjustment, left: 45/right: 45/up: 50/down: 20 degrees (typical).Optional RTP or CTP.

This K320I20300 module has built-in ST7789V controller IC, supports SPI interface, the power supply voltage (VCC) range is 3.0V to 3.6V, the brightness is 400 nits (typ), and the contrast ratio is 800:1. This module is a coffee machine, communication Industrial ideal for equipment, beauty equipment, etc. The module can operate from -20°C to +70°C; its storage temperature range is -30°C to +80°C

DRAWING

3.2inch tft lcd

SPECIFICATIONS

General Specifications

ItemContentsUnit
Size3.2inch
LCM Dimension55.04(W)* 77.20(H) * 2.5(T)mm
LCD Active Area48.60* 64.80mm
Number Of Dots240×320pixel
LCD Typea-Si TFT
Viewing Direction12 o’clock
Driver ICST7789V
Interface TypeSPI
Operating Temperature-20℃~ 70℃
Storage Temperature-30℃~ 80℃
Backlight Type5 LEDs
Brightness400cd/m2

Interface

LCM PIN Definition

NO.SymbolDescription
1LEDKBACKLIGHT CATHODE
2LEDABACKLIGHT ANODE
3GNDGround
4RESETReset pin
5SDASerial Data Input
6SCLSerial  Clock
7RSDestination register selection.
8CSChip Select
9TEFrame mark.
10GNDGround
11IOVCCI/O   POWER SUPPLY
12VCCPOWER SUPPLY
13GNDGround
14GNDGround
15GNDGround
16GNDGround
17NCNC
18NCNC
19NCNC
20NCNC

DC Characteristics

ItemSymbolMinTypMaxUnit
TFT gate on voltageVGH15V
TFT gate off voltageVGL-10V
TFT common electrode VoltageVcom-1V

Typical Operation Conditions

ItemSymbolMin.Typ.Max.Unit
Analog Supply VoltageVCI2.52.83.3V
Digital Supply VoltageVDD2.52.83.3V
I/O Supply VoltageIOVCC1.651.8/2.83.3V
Input High VoltageVIH0.8*IOVCCIOVCCV
Input Low VoltageVIL00.2*IOVCCV
Output High VoltageVOH0.8*IOVCCV
Output Low VoltageVOL0.2*IOVCCV

Backlight Circuit Characteristics

ItemSymbolMin.Typ.Max.Unit
LED CurrentIB75100mA
LED VoltageVf2.83.03.2V
CIEX0.250.300.35
Y0.260.310.36
Brightness of LCML400cd/m2

Reliability Test Items

Test ItemTest ConditionTest result determinant gist
High temperature storage80±3 ℃,48H;
Low temperature storage~30±3 ℃,48H;
High temperature storage70±3 ℃,48H;Inspection after 2~4hours storage at  roomtemperature,
Low temperature operation~20±3 ℃,48H; the sample shall be free from defects:
High temperaturehumi/dity60℃±3 ℃,90%±3%RH ,48H;1.Air bubble in the LCD;
Thermal Shock~20℃/0.5h~+70℃/0.5h
for a total 24 cycles;
2.Non-display;
 

 

Vibration Test

Frequency 10Hz~55Hz~10Hz3.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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