WF18FTLAADNN0

WF18FTLAADNN0 is a full color 128×160 TFT-LCD display module, diagonal size 1.77-inch. This module is built in with ST7735S IC; it supports 8080 8/16-bit parallel and serial 3-wire SPI interface. This model is having module dimension of 34.0 x 45.83 mm and Active area size of 28.03 x 35.04 mm; it’s supply voltage range from for analog is 2.5V to 4.8V, typical value 2.75V.

This 1.77″ TFT LCD display with ST7735 IC is featured with brightness 500 cd/m2(typical value) and contrast ratio (typical value) of 500:1. it can be operating at temperatures from -20℃ to 70℃; its storage temperatures range from -30℃ to 80℃. WF18FTLAADNN0 is a portrait mode LCD module, if you would like to use it as landscape mode, please contact with us for more technical support.

DRAWING

TFT ST7735, ST7735 Display,1.77 TFT LCD - WF18FTLAADNN0 - WF18FTLAADNN0

Item	Dimension	Unit
Size	1.77	inch
Dot Matrix	128 × RGB × 160(TFT)	dots
Module dimension	34.0(W) × 45.83(H) × 2.65(D)	mm
Active area	28.03 × 35.04	mm
Dot pitch	0.073 × 0.219	mm
LCD type	TFT, Normally White, Transmissive
View Direction	6 o’clock
Gray Scale Inversion Direction	12 o’clock
Aspect Ratio	Portrait
IC	ST7735S
Backlight Type	LED, Normally White
Touch Panel	Without Touch Panel
Surface	Anti-Glare

Item

Dimension

Unit

Size

1.77

inch

Dot Matrix

128 × RGB × 160(TFT)

dots

Module dimension

34.0(W) × 45.83(H) × 2.65(D)

Active area

28.03 × 35.04

Dot pitch

0.073 × 0.219

LCD type

TFT, Normally White, Transmissive

View Direction

6 o’clock

Gray Scale Inversion Direction

12 o’clock

Aspect Ratio

Portrait

ST7735S

Backlight Type

LED, Normally White

Touch Panel

Without Touch Panel

Surface

Anti-Glare

Item	Symbol	Min	Typ	Max	Unit
Operating Temperature	TOP	-20	－	70	℃
Storage Temperature	TST	-30	－	80	℃

Item

Symbol

Min

Typ

Max

Unit

Operating Temperature

TOP

-20

－

℃

Storage Temperature

TST

-30

－

℃

Item	Symbol	Condition	Min	Typ	Max	Unit
Supply Voltage For Analog	VCI	－	2.5	2.75	4.8	V
Interface Operation Voltage	IOVCC	－	1.65	1.8	3.7	V
Supply LCM current	ICI(mA)	－	－	0.9	2	mA

Item

Symbol

Condition

Min

Typ

Max

Unit

Supply Voltage For Analog

VCI

－

2.5

2.75

4.8

Interface Operation Voltage

IOVCC

－

1.65

1.8

3.7

Supply LCM current

ICI(mA)

－

0.9

Pin	Symbol	I/O	Function
1	VLED-	P	Back light cathode
2	VLED	P	Back light anode
3	IM0	I	– MCU Parallel Interface Type Selection -If Not Used, Please Fix this Pin at VDDI or DGND Level.
4	IM1
5	IM2	I	MCU Parallel Interface Bus and Serial Interface select IM2=’1′, Parallel Interface IM2=’0′, Serial Interface
6	RESET	P	Reset signal
7-12	NC	–	No Connect
13-28	DB15-DB0(SPI_SDA)	I/O	DB15:0] are used as MCU parallel interface data bus. -DBis the serial input/output signal in serial interface mode. -In serial interface, DB15:1] are not used and should be fixed at VDDI or DGND level.
29	NC	–	No Connect
30	RD	I	Read Enable in 8080 MCU Parallel Interface. -If not used, please fix this pin at VDDI or DGND level.
31	WR	I	Serial clock -Write Enable in MCU Parallel Interface. -If not used, please fix this pin at VDDI or DGND level.
32	D/C(SPI_SCL)	I	-Display data/command Selection Pin in MCU Interface. -D/CX=’1′: Display Data or Parameter. -D/CX=’0′: Command Data. -In Serial Interface, this is used as SCL. -If not used, please fix this pin at VDDI or DGND level.
33	CS(SPI_CS)	I	Chip enable
34	IOVCC	P	Interface Operation Voltage
35	VCI	P	Analog Supply Voltage
36	GND	P	Ground
37-40	NC	–	No Connect

Symbol

I/O

Function

VLED-

Back light cathode

VLED

Back light anode

IM0

– MCU Parallel Interface Type Selection
-If Not Used, Please Fix this Pin at VDDI or DGND Level.

IM1

IM2

MCU Parallel Interface Bus and Serial Interface select
IM2=’1′, Parallel Interface
IM2=’0′, Serial Interface

RESET

Reset signal

7-12

–

No Connect

13-28

DB15-DB0(SPI_SDA)

I/O

DB15:0] are used as MCU parallel interface data bus.
-DBis the serial input/output signal in serial interface mode.
-In serial interface, DB15:1] are not used and should be fixed at VDDI or DGND level.

–

No Connect

Read Enable in 8080 MCU Parallel Interface.
-If not used, please fix this pin at VDDI or DGND level.

Serial clock
-Write Enable in MCU Parallel Interface.
-If not used, please fix this pin at VDDI or DGND level.

D/C(SPI_SCL)

-Display data/command Selection Pin in MCU Interface.
-D/CX=’1′: Display Data or Parameter.
-D/CX=’0′: Command Data.
-In Serial Interface, this is used as SCL.
-If not used, please fix this pin at VDDI or DGND level.

CS(SPI_CS)

Chip enable

IOVCC

Interface Operation Voltage

VCI

Analog Supply Voltage

GND

Ground

37-40

–

No Connect

Description

DRAWING

Specification

General Specifications

Absolute Maximum Ratings

Electrical Characteristics

Interface

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