3.5 inch MCU tft module description:
This is 3.5" tft lcd, 320x240 pixels landscale type, 8 bit or 16 bits MCU interface, instead of RGB interface, by using the 8 bit or 16 bits MCU interface, it could save the driver board's ports and cost. ST7796 IC driver, long term supply.
it is composed of a TFT-LCD panel, driver IC, FPC, and backlight unit, resistive touch (RTP) and capacitive touch (PCAP or CTP) is optional for difference application.
12 O'clock viewing angle, 2x3 white LED backlight, 350 nits brightness.
The 3.5 inch MCU tft module can be drived via 8 bit or 16 bits parallel interface. the interface could be selected by software setting, long FPC unit could be connected to the MCU board via 50 pins connector.
Small MOQ is acceptable for this 3.5" MCU TFT lcd.
3.5’’ MCU tft display module key parameters:
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Display Size
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3.5 inch TFT lcd (Diagonal)
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Resolution
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320(RGB)X240
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Module Dimension
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78.1(W)x 64.90(H)x3.05(T) mm
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Active Display Area
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70.08 (W)×52.56 (H) mm
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Viewing Direction
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12 O’clock
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LED Backlight Color
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2x3-White LED
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Driver IC
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ST7796
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Interface
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8 bits/ 16 bits MCU
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Luminance
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350 nits
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Touch screen
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With RTP/CTP optional
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Pin out interface ( 8 bit/16 bits MCU interface)
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Pin No.
|
Symbol
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Description
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I/O
|
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1
|
GND
|
Ground
|
|
|
2
|
XL(-)
|
NC
|
|
|
3
|
YD(-)
|
NC
|
|
|
4
|
XR(+)
|
NC
|
|
|
5
|
YU(+)
|
NC
|
|
|
6
|
GND
|
Ground
|
|
|
7
|
RD
|
8080-system : RD (read strobe signal)
|
|
|
8
|
SDO
|
NC
|
|
|
9
|
RST
|
System reset pin.
|
|
|
10
|
CS
|
Chip select pin for 8080 Parallel Interface
|
|
|
11
|
SCL
|
NC
|
|
|
12
|
SDI
|
NC
|
|
|
13
|
D/C
|
Data or command
DC : Parallel Interface
|
I
|
|
14
|
WR
|
8080-system : WR (write strobe signal)
|
I
|
|
15
|
PS3
|
NC
|
I
|
|
16
|
PS2
|
|
17
|
PS1
|
|
18
|
PS0
|
The selection of System Interface
PS0 = 0, 16 bits interface, DB17-DB10, DB8-DB1
PS0 = 1, 8 bits interface, DB8-DB1
|
|
19-26
|
DB17-DB10
|
8 bit parallel dual-direction data bus for MCU interface.
Unused pins should connect to VSS.
|
I/O
|
|
27
|
DB9
|
NC
|
|
|
28-35
|
DB8-DB1
|
8 bit parallel dual-direction data bus for MCU interface.
Unused pins should connect to VSS.
|
I/O
|
|
36
|
DB0
|
NC
|
|
|
37
|
DEN
|
NC
|
I
|
|
38
|
HSYNC
|
NC
|
I
|
|
39
|
VSYNC
|
NC
|
I
|
|
40
|
DCLK
|
NC
|
I
|
|
41
|
GND
|
Ground
|
P
|
|
42
|
GND
|
Ground
|
P
|
|
43
|
GND
|
Ground
|
P
|
|
44
|
VDD/VCI
|
Booster input voltage pin.
Connect to voltage source between 2.6 to 3.6V
|
P
|
|
45
|
VDD/VCI
|
|
46
|
NC
|
NC
|
|
|
47
|
K2
|
Cathode pin of backlight
|
A/D
|
|
48
|
A2
|
Anode pin of backlight
|
A/D
|
|
49
|
A1
|
Anode pin of backlight
|
A/D
|
|
50
|
K1
|
Cathode pin of backlight
|
A/D
|
