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ST7701S Round LCD Display Module

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Brand Name :	hainengzhichuang
Model Number :	custom
Price :	Negotiable
Payment Terms :	L/C, D/A, D/P, T/T, Western Union, MoneyGram

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ST7701S Round LCD Display Module

LCD MODULE

General Specifications

Feature		Specifications
Display Spec.	LCD type	2.1 inch
	Resolution (H*V)	480(RGB)×480
	Technology Type	a-Si TFT
	Pixel Configuration	R.G.B. Vertical Stripe
	Display Mode	Normally Black
	Viewing Direction	ALL
	Gray Scale Inversion Direction	-
Mechanical Characteristics	OutlineDimensions (W x H x T) (mm)	56.1859.712.3
	Active Area(mm)	53.28*53.28
	CTP View Area(mm)	/
	With /Without Touch screen	Without
	Connector Type	0.5 PITCH 40PIN
	Backlight Type	LED
	Weight (g)	TBD
Electrical Characteristics	Display Interface	3SPI+18RGB
	Number of color	262K
	Display Driver IC	ST7701S
	Touch Driver IC	/

Pin Assignment

1	LED A	LED ANODE
2	LED K	LED CATHODE
3	LED K	LED CATHODE
4	GND	Ground
5	VCI	Power supply
6	RESET	Reset Signal ,Active Low
7	NC	NC
8	NC	NC
9	SDA	SPI Data signal
10	SCK	SPI Clock signal
11	CS	SPI Chip select signal
12	PCLK	RGB dot clock signal
13	DE	RGB data enable signal
14	VSYNC	RGB frame synchronizing signal
15	HSYNC	RGB line synchronizing signal
16~33	DB0~DB17	RGB data signal(DB0:BlUE LSB;DB5:BIUE MSB;DB6:GREEN LSB;DB11:GREEN,MSB;DB12:RED LSB;DB17:RED MSB)
34	GND	Ground
35	TP_INT	Touch Interrupt
36	TP_SDA	Touch IIC Data signal
37	TP_SCL	Touch IIC Clock signal
38	TP_RESET	Touch Reset Signal
39	TP_VCI	Touch Power supply
40	GND	Ground

Absolute Maximum Ratings

Item	Symbol	Value	Unit
Power supply voltage for logic	VDD	0.3~4.8	V
Input voltage	Vin	VDD+0.3	V
Operating temperature	Topr	-20 to 70	°C
Storage temperature	Tstg	-30 to 80	°C

Note:

Note1: Absolute maximum rating is the limit value beyond which the IC maybe broken.

They do not assure operations.

Note2: Background color changes slightly depending on ambient temperature.

This Phenomenon is reversible.

Ta≦70℃: 75%RH max

Ta>70℃: absolute humidity must be lower than the humidity of 75%RH at 70℃

Note3: Ta at -30℃ will be <48hrs, at 80 ℃ will be <120hrs

Electrical Characteristics

1) Driving TFT LCD Panel

Item	Symbol	Min	Type	Max	Unit	Test condition
Operating voltage	VDD	2.5	2.8	4.8	V	-
Supply current	IDD	-	-	50	mA	VDD=2.8V,Ta=25°C
Input voltage	VIH	0.8VDD	-	VDD	V	-
Input voltage	VIL	0	-	0.2VDD	V	-
Input leakage current	IIL	-1.0	-	1.0	mA	VIN=VDD or VSS

Note: Voltage greater than above may damage the module.

All voltages are specified relative to VSS=0V.

2) Driving Backlight

Item	Symbol	Min	Typ	Max	Unit	Remark
Forward Current	IF	--	80	88	mA
Forward Voltage	VF	-	3.2	-	V
Connection mode		--	4Parallel	--
LED number	/		4		pcs

Note1: Optical performance should be evaluated at Ta=25℃ only .If LED is driven by high current, high ambient temperature & humidity condition. The life time of LED will be reduced. Operating life means brightness goes down to 50% initial brightness. Typical operating life time is estimated data.

Product Tags:

ST7701S Round LCD Display

ST7701S Round LCD Module

ST7701S Round LCD Display Module

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