Tontec-Specs

CPLD Chip: EPM3032

Touch Screen Control Chip: XPT2046
I2C Port EEPROM memory storage unit: AT24C02
I2C Interface Chip (AT24C02)'s address is: 0xA0

320*240, 16bit, 65K color
2.8 inch resistive touch screen
SPI display connection, with 125 Mhz top conversion rate
SPI Touch screen connection, with 16 Mhz top conversion rate
Integrated Power
New design with 4 push buttons for user DIY programming


Pin	Raspberry Pi  		-	MZT280-PI-EXT
1   -	3V3 Power
2   -	5V Power
3   -	GPIO-0(IIC SDA)		-	AT24C02 SDA Data Pin
4   -	5V Power
5   -	GPIO-1(IIC SCL)		- 	AT24C02 SCL Clock Pin
6   -	GND
7   -	GPIO-4			- 	XPT2046 IRQ Interrupt
8   -	GPIO-14
9   -	GND
10  -	GPIO-15			- 	LCD RST Display Reset
11  -	GPIO-17			-	Infrared Data
12  -	GPIO-18(PWM)		-	LCD PWM Brightness Control
13  -	GPIO-21			- 	K4 Button 4
14  -	GND
15  -	GPIO-22			-	K3 Button 3
16  -	GPIO-23			-	K2 Button 2
17  -	3V3 Power
18  -	GPIO-24			-	K1 Button 1
19  -	GPIO-10 (SPI MOSI)	- 	LCD/TP MOSI
20  -	GND
21  -	GPIO-9 (SPI MISO)	-	LCD/TP MISO
22  -	GPIO-25			-	LCD RS Display Choice
23  -	GPIO-11 (SPI SCLK)	-	LCD/TP SCLK SPI Wire Bus Clock
24  -	GPIO-8 (SPI CE0)	-	LCD CS Display Choice
25  -	GND
26  -	GPIO-7 (SPI CE1)	-	TP CS TouchScreen Choice