3.5 inch tft lcd display screen ili9488 mcu interface

3.5 inch tft lcd display screen ili9488 mcu interface

3.5 inch lcd display screen

►Resolution : 320×480 dots
►View Direction: 12 o’clock
►Interface: MCU
►Driver IC: ILI9488
►Brightness(cd/m²): 480
►Outline Dimension: 54.50 * 82.90 * 2.2(mm)
►RTP/CTP: Optional

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DESCRIPTION

K350C26301 is a 3.5 inch tft LCD display module with optional resistive touch screen and capacitive touch screen control with a resolution of 320×480 pixels. This size TFT LCD is in portrait mode with wider viewing angle by POL adjustment, Left: 70 / Right: 70 / Top: 60 / Bottom: 60 degrees (typical). Optional RTP or CTP.

This K350C26301 module has built-in ILI9488 controller IC, supports MCU interface, the power supply voltage (VCC) range is 3.0V to 3.6V, the brightness is 480 nits (typ), and the contrast ratio is 800:1. This module is a beauty equipment, medical Industrial ideal for instruments, etc. The module can operate from -20°C to +70°C; its storage temperature range is -30°C to +80°C.

DRAWING

3.5 inch tft lcd display screen ili9488 mcu interface

SPECIFICATIONS

General Specifications

ItemContentsUnit
Size3.5inch
LCM Dimension54.50(W)* 82.90(H) * 2.2(T)mm
LCD Active Area48.96* 73.44mm
Number Of Dots320×480pixel
LCD Typea-Si TFT
Viewing Direction12 o’clock
Driver ICILI9488
Interface TypeMCU
Operating Temperature-20℃~ 70℃
Storage Temperature-30℃~ 80℃
Backlight Type6 LEDs
Brightness480cd/m2

Interface

LCM PIN Definition

NO.SymbolDescription
1VDDPOWER SUPPLY
2GNDGround
3LEDABACKLIGHT ANODE
4LEDKBACKLIGHT CATHODE
5RESETReset pin
6CSChip enable, Low-active.
7RSData/Command register address.
8WRWrite signal, rising-edge-trigger.
9RDRead signal, rising-edge-active.
10GNDGround
11DB0Data Bus
12DB1Data Bus
13DB2Data Bus
14DB3Data Bus
15DB4Data Bus
16DB5Data Bus
17DB6Data Bus
18DB7Data Bus
19DB8Data Bus
20DB9Data Bus
21DB10Data Bus
22DB11Data Bus
23DB12Data Bus
24DB13Data Bus
   25DB14Data Bus
26DB15Data Bus

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 CurrentIB90120mA
LED VoltageVf2.83.03.2V
CIEX0.2650.2950.325
Y0.260.290.32
Brightness of LCML480cd/m2

Reliability Test Items

Test Item Test Parameters Key factors for determining test results
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
for a total 24 cycles;
2.Non-display;
 

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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