LCD-2000 Serial Quick Start manual

This application note applies to the following device:
Mega 2560, UNO R3, LCD-2000,TFT LCD Shield for Mega 2560，TFT LCD Shield for UNO R3

1. What is a TFT screen

TFT（Thin Film Transistor）is a thin transistor liquid crystal display，each pixel can be drove by the thin film transistor which is behind the TFT. By this way, it is not only improves the response speed of the display, and you can precisely control display levels. Then the color of TFT LCD will be more realistic. TFT is composed of a light source, a light guide plate, polarizing plate, filter plate, a glass substrate, alignment film, the liquid crystal material, a thin film transistor and so on. When the TFT display and drive IC (controller) integrated together, it became a TFT display module. We should to distinguish TFT screen and TFT modules. In generally, we use the TFT module. For the TFT LCD module, we
can display numbers, English characters, pictures color and the like.

2. The parameter comparison of these three modules

This application note describes three different drive LCD-2000 TFT screen module, and the parameter comparison of these three modules are as follows:

Module Number is type and controller chips numbered of TFT screen. Control Chip is TFT screen drive chip. The size of 2.0 inches is the distance between the corner of the screen. Resolution is the number which refers to the horizontal pixels and vertical pixels. Color Number refers to there is 65535 color in each point. Drive Library is the driver files which is prepared by our own.

3.Hardware connection

The TFT LCD Shield for Arduino Mega2560 should be directed put on Arduino Mega2560, and then put the LCD-2000 on the TFT LCD shield.

For the UNO R3 , it connect in the same way with Mega2560

4.Load the driver library

You should extract the library package file to “arduino-1.5.4-r2-windows\arduino-1.5.4\libraries” directory directly. 

5. TFT screen initialization

TFT screen with Mega2560 pin initialization, Example are as follows：

LCD-2000-XXXX

1.Introduce

  We have a total of three electronic screen, they are LCD-2000-3916/LCD-2000-9225/LCD-2000-7775. They are single-chip controller, and all of them can display to a maximum of 176-RGB x 220 -dot graphics on 262k-color TFT panel. The chip can
be connected to the outside of the microprocessor directly. And accept the 8-bit high speed bus interface and serial peripheral interface. The display data can be stored in the memory for data RAM which is 176×220×18 bits.

2.Features

 (1)Drive 2.0-inch TFT screen LCD-2000
 (2)Display resolution: 176(H)×220(V)
 (3)Display data RAM : 176×220 ×18bits=696960bits
 (4)Display mode: Full color mode, 262K-colors, 8-colors
 (5)Pin set: DB0-DB7 is IO port for data transmission, WR/RS/CS/LE/RST/PWM is            control pin
 (6)Supports 8-bit micro-controller interface 8080 series
 (7)IO port power supply voltage:1.65-3.5V
 (8)Low power consumption

The parameter comparison of these three modules is as follows:

Configurations

LCD-2000-NT3916/ILI9225/ST7775 ×Mega2560 × Adapter plate

 LCD-2000-NT3916/ILI9225/ST7775 ×UNO R3 ×Adapter plate