NoticeDifference between revisions of "ITDB02-2.4S"
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Revision as of 08:32, 22 July 2014
Contents
Overview
ITDB02-2.4S module is 2.4" SPI TFT LCD with 262K color 320 x 240 resolutions. The controller chip of this LCD module is ILI9341V. Since its interface is SPI, you need 6 Dupont lines (SCK,MISO,MOSI,CS,D/C,RST) to control the LCD module. Moreover, there is an on-board micro SD card slot for multimedia storage and data logging purposes. This 2.4" LCD is a resistive touchscreen as well, so you can detect finger presses anywhere on the screen.
Features
- Compatible for 3.3/5V operating level
- Integrated with an micro SD card slot
- Support IO/PMW to control the backlight
- Resistive touchscreen
Specification
| PCB size | 44mm X 74mm X 1.6mm |
| Power supply | 5V DC |
| Driver IC | ILI9341V |
| Resolution | 320*240 |
Electronic Characteristics
| Parameter | Min. | Typical | Max. | Unit |
| Power supply | 4.5 | 5 | 5.5 | VDC |
| Input voltage VinH (Target Voltage = 3.3V) | 3 | 3.3 | 3.6 | V |
| Input voltage VinH (Target Voltage = 5V) | 4.5 | 5 | 5.5 | V |
| Input voltage VinL | -0.3 | 0 | 0.5 | V |
| Current Consumption | - | 40 | 80 | mA |
Hardware
Pin Map
| Pin | Type* | Description |
| VCC | P | 5V Power supply pin |
| GND | G | Ground |
| SCK | I | SPI SCK |
| MISO | O | SPI MISO |
| MOSI | I | SPI MOSI |
| CS | I | Chip Select for TFT |
| D/C | I | Command or parameter select |
| RST | I | RESET signal for TFT |
| LEDA* | I | Backlight control pin |
| SD_CS | I | Chip Select for SD |
| T_CS | I | Chip Select for touch function |
| T_IRQ | O | Interrupt output for touch |
- Type: P--Power supply; G--Ground; I--Input; O--Output.
- LEDA: When LEDA is set as high electronic level, the backlight turns on. When it's set as low electronic level, the backlight turns off.
Instruction
1.Touch Function
- Upload 2_4_spi_touch.ino into UNO main board
- Connect ITDB02-2.4S module to UNO according to the table as below:
| 2.2S pins | UNO pins |
| VCC | 5V |
| GND | GND |
| SCK | D13 |
| MISO | D12 |
| MOSI | D11 |
| CS | D10 |
| D/C | D9 |
| RST | D8 |
| LEDA | 5V/3V3 |
| SD_CS | D4 |
| T_CS | D2 |
| T_IRQ | D3 |
- Power UNO mainboard, you can start to draw any line or pattern on the screen.
2.Display the image from micro SD card
- Download the library from this link: https://github.com/adafruit/Adafruit_ILI9340 , then extract it into the directory \arduino\libraries
- Copy the image woof.bmp from the directory Adafruit_ILI9340\examples\spitftbitmap to your SD card, then plug the card into the SD card slot on ITDB02-2.2S LCD module
- Use arduino IDE to open spitftbitmap.ino in the directory Adafruit_ILI9340\examples\spitftbitmap then upload it to UNO main board.
- Select 5V electronic level in the 2.2S LCD module, then use dupont lines to connect UNO and LCD module according to the table as below:
| 2.2S pins | UNO pins |
| VCC | 5V |
| GND | GND |
| SCK | D13 |
| MISO | D12 |
| MOSI | D11 |
| CS | D10 |
| D/C | D9 |
| RST | D8 |
| LEDA | 5V/3V3 |
| SD_CS | D4 |
- Power UNO main board, a picture of dog showed on the display.
Download
Specification for TFT LCD module--File:H24TM84A-spec.pdf
Schematic--File:IM140714002-ITDB02-2.4S-schematic.pdf
