Pin number Name
RGB interface description MCU interface description
49
VCC
3.3V power supply for extension board
50
GND
Ground
4.3.
Peripherals
4.3.1.
maXTouch Capacitive Touch Controller
maXTouch Xplained Pro has a ATMXT112S capacitive touch controller that's accessible over I
2
C. See
code examples in ASF for how to set up and use the touch controller.
4.3.2.
Interface Selector
maXTouch Xplained Pro features a 3-way DIP-switch that is used for configuring the display interface
mode. Setting the switch positions to ON, will result in a high level (1) for the IMx line. See the table below
for interface mode settings.
Table 4-4. maXTouch Xplained Pro DIP-Switch Settings
IM2
IM1
IM0
Interface
Pins in use
0
0
0
18-bit parallel bus
DB[17:0], CS, D/C, WE, RE
0
0
1
9-bit parallel bus
DB[8:0], CS, D/C, WE, RE
0
1
0
16-bit parallel bus
DB[15:0], CS, D/C, WE, RE
0
1
1
8-bit parallel bus
DB[7:0], CS, D/C, WE, RE
1
0
1
DB[17:0], HSYNC, VSYNC, PCLK,
DE, MOSI, MISO, SCLK, CS
1
0
1
3-wire/9-bit SPI mode
MOSI, MISO, SCLK, CS
1
1
1
4-wire/8-bit SPI mode
MOSI, MISO, SCLK, CS, D/C
Note:
1.
The setting for RGB parallel mode and 3-wire SPI is the same. To be able to use the RGB mode,
the internal configuration registers needs to be set correctly using 3-wire SPI.
4.4.
Mounting
The kit includes accessories for mounitng the display module to a MCU board.
•
Mounting accessories:
•
Four M2.5 x 5 mm screws
•
Four M2.5 x 20 mm hex spacers (male to female)
•
Four M2.5 x 10 mm hex spacers (female to female)
4.4.1.
Board Stacking Options
maXTouch Xplained Pro display module is intended to be mountable on top, on the bottom, or placed
sideways to an Xplained Pro MCU board as shown in the following illustrations.
Atmel maXTouch Xplained Pro [USER GUIDE]
Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016
14
