4.
Hardware User Guide
4.1.
Electrical Characteristics
maXTouch Xplained Pro can be connected to several Xplained Pro MCU boards and manually connected
to other hardware. Xplained Pro MCU board(s) that does not have 3.3V as it's primary target voltage will
read all ID devices on connected extensions to check if they support the target voltage before enabling it
to the extension headers. The table below shows the static content written in the ID chip.
Table 4-1. maXTouch Xplained Pro ID Chip Content
Data field
Content
Product name
maXTouch Xplained Pro
Minimum operation voltage
3.0V
Maximum operation voltage
3.3V
Maximum current
50mA
Related Links
Hardware Identification System
on page 7
4.2.
Headers and Connectors
4.2.1.
maXTouch Xplained Pro Extension Headers
maXTouch Xplained Pro implements one
Table 3-2 Xplained Pro Standard Extension Header
on page 8
marked with XPRO EXTENSION HEADER in silkscreen. This header makes it possible to connect the
board to any Xplained Pro MCU board using a 20-pin ribbon cable (included in kit). maXTouch Xplained
Pro also implements one
Table 3-3 Xplained Pro LCD Connector
on page 9 marked with XPRO LCD
CONNECTOR in silkscreen. The pin-out definition for the extension header can be seen in
maXTouch Xplained Pro Standard Extension Header
on page 11 and the pin-out for the LCD connector
Table 4-3 maXTouch Xplained Pro Xplained Pro LCD Connector
on page 12.
Table 4-2. maXTouch Xplained Pro Standard Extension Header
Pin on EXT
Function
Description
1
ID
Communication line to ID chip
2
GND
Ground
3
Not Connected
4
Not Connected
5
GPIO
Command/Data Select
6
Not Connected
7
PWM
Backlight control
8
Not Connected
9
GPIO/IRQ
IRQ from maXTouch controller
Atmel maXTouch Xplained Pro [USER GUIDE]
Atmel-42350B-maXTouch-Xplained-Pro_User Guide-01/2016
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