this module stop production, replace by HY28B
Description
LCD Controller |
ILI9320 |
Touch Screen Controller |
ADS7843 or XPT2046 |
LCD Type |
TFT |
LCD Interface |
SPI |
Touch Screen Interface |
SPI |
Backlight |
LED |
Colors |
65536 |
Resolution |
320*240 |
Pin pitch |
2.00 mm |
HY28A-LCDB Pin Description
PIN NO |
SYMBOL |
DESCRIPTION |
FUNCTION |
1 |
5V_IN |
5V power supply |
When powered from 5V supply,
Pin 20 & Pin 21 ( 3V3_IN & 3V3_OUT ) provide 3.3V output. |
2 |
GND |
Ground |
Power Ground |
3 |
LCDB_SCK |
LCD SPI clock |
connects to SPI SCK |
4 |
LCDB_CS |
LCD chip select |
Low active |
5 |
LCDB_SDO |
LCD SPI data output |
connects to SPI MISO |
6 |
LCDB_SDI |
LCD SPI data input |
connects to SPI MOSI |
7 |
NC |
Not connect |
Not connect |
8 |
NC |
Not connect |
Not connect |
9 |
NC |
Not connect |
Not connect |
10 |
NC |
Not connect |
Not connect |
11 |
NC |
Not connect |
Not connect |
12 |
NC |
Not connect |
Not connect |
13 |
NC |
Not connect |
Not connect |
14 |
NC |
Not connect |
Not connect |
15 |
RESET |
Reset the controller chip |
Low active |
16 |
NC |
Not connect |
Not connect |
17 |
NC |
Not connect |
Not connect |
18 |
NC |
Not connect |
Not connect |
19 |
GND |
Ground |
Power Ground |
20 |
3V3_IN |
3.3V power supply |
3V3_IN = 3V3OUT, When powered from 3.3V supply,
5V_IN keep NC. |
21 |
3V3_OUT |
3.3V power supply |
3V3_IN = 3V3OUT, When powered from 3.3V supply,
5V_IN keep NC. |
22 |
GND |
Ground |
Power Ground |
23 |
NC |
Not connect |
Not connect |
24 |
NC |
Not connect |
Not connect |
25 |
NC |
Not connect |
Not connect |
26 |
NC |
Not connect |
Not connect |
27 |
NC |
Not connect |
Not connect |
28 |
NC |
Not connect |
Not connect |
29 |
NC |
Not connect |
Not connect |
30 |
NC |
Not connect |
Not connect |
31 |
NC |
Not connect |
Not connect |
32 |
TP_CS |
Touch screen chip select |
Low active |
33 |
TP_SCK |
Touch screen SPI clock |
connects to SPI SCK |
34 |
TP_SDI |
Touch screen data input |
connects to SPI MOSI |
35 |
TP_SDO |
Touch screen data output |
connects to SPI MISO |
36 |
TP_IRQ |
Touch screen interrupt |
Low level while the touch screen detects pressing |
37 |
NC |
Not connect |
Not connect |
38 |
NC |
Not connect |
Not connect |
39 |
GND |
Ground |
Power Ground |
40 |
BL_CTRL |
Backlight brightness adjustment |
Control the backlight brightness via PWM |
Document
HY28A PCB.lib
HY28A dimension.pdf
HY28A LCD module Schematic.pdf
HY28A-LCDB example source code.rar
HY28A-LCDB MDK project for LPC1768.rar