2.9-inch E-paper Display with Capacitive Touch & Front Light (296x128) - WAA0290A2ADA8NXXX000

2.9-inch E-paper Display with Capacitive Touch & Front Light (296x128)

Model No. WAA0290A2ADA8NXXX000

►Size: 2.9"
►Resolution: 296x128 dots
►Interface: MCU / SPI
►Touch Screen : With capacitive touch panel
►The display refreshes black-and-white e-paper displays.
►Front Light : Yes

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Description

WAA0290A2ADA8NXXX000 is a 2.9" Electronic Paper Display (EPD) with a capacitive touch panel, a front-light panel, and a reference system design. The display is capable of showing images in 1-bit black and white with full display capabilities. The 2.9-inch active area has a resolution of 296x128 pixels.

This module is a TFT-array-driven electrophoresis display with integrated circuits, including a gate driver, source driver, MCU interface, timing controller, oscillator, DC-DC converter, SRAM, LUT, and VCOM. The module is suitable for use in portable electronic devices, such as Electronic Shelf Label (ESL) systems.

Features:

296x128 pixel display
High contrast
High reflectance
Ultra-wide viewing angle
Ultra-low power consumption
Pure reflective mode
Bi-stable display
Commercial temperature range
Supports both landscape and portrait modes
Hard-coat, anti-glare display surface
Ultra-low current consumption in deep sleep mode
On-chip display RAM
Waveforms can be stored in on-chip OTP memory or written by the MCU
Serial Peripheral Interface (SPI) support
On-chip oscillator
On-chip booster and regulator control for generating VCOM, Gate, and Source driving voltages
I2C master interface for reading external temperature sensor
Built-in temperature sensor

DRAWING

SPECIFICATIONS

General Specifications

Parameter	Specifications	Unit
Screen Size	2.9	Inch
Display Resolution	296(H)×128(V)	Pixel
Active Area	29.056(H)×66.896(V)	mm
Pixel Pitch	0.227×0.226	mm
Pixel Configuration	Rectangle
Outline Dimension	36.7(H) × 79.0 (V) × 2.15(D)	mm
Module Weight	5.5±0.5	g

Electrical Characteristics

Absolute Maximum Ratings

Parameter	Symbol	Rating	Unit
Logic supply voltage	VCI	-0.5 to +4.0	V
Logic Input voltage	VIN	-0.5 to VCI +0.5	V
Logic Output voltage	VOUT	-0.5 to VCI +0.5	V
Operating Temp range	TOPR	0 to +50	ºC
Storage Temp range	TSTG	-25 to+70	ºC
Optimal Storage Temp	TSTGo	23±2	ºC
Optimal Storage Humidity	HSTGo	55±10	%RH

Input /Output Pin Assignment

No.	Name	I/O	Description
1	NC		Do not connect with other NC pins
2	GDR	O	N-Channel MOSFET Gate Drive Control
3	RESE	I	Current Sense Input for the Control Loop
4	NC	NC	Do not connect with other NC pins
5	VSH2	C	Positive Source driving voltage(Red)
6	TSCL	O	I2C Interface to digital temperature sensor Clock pin
7	TSDA	I/O	I2C Interface to digital temperature sensor Data pin
8	BS1	I	Bus Interface selection pin
9	BUSY	O	Busy state output pin
10	RES#	I	Reset signal input. Active Low.
11	D/C#	I	data /Command control pin
12	CS#	I	Chip select input pin
13	SCL	I	Serial Clock pin (SPI)
14	SDA	I/O	Serial Data pin (SPI)
15	VDDIO	P	power Supply for interface logic pins It should be connected with VCI
16	VCI	P	Power Supply for the chip
17	VSS	P	Ground
18	VDD	C	Core logic power pin VDD can be regulated internally from VCI. A capacitor should be connected between VDD and VSS
19	VPP	P	FOR TEST
20	VSH1	C	Positive Source driving voltage
21	VGH	C	Power Supply pin for Positive Gate driving voltage and VSHI
22	VSL	C	Negative Source driving voltage
23	VGL	C	Power Supply pin for Negative Gate driving voltage VCOM and VSL
24	VCOM	C	VCOM driving voltage

Note: I: Input, O: Output, P: Power, D: Dummy, S: Shorted line, M: Mark, PI: Power input, PO: Power output, I/O: Input / Output, PS: Power Setting, C: Capacitor pin.