4.
Curiosity and Xplained Pro Boards
The Curiosity boards and Xplained Pro boards are evaluation platforms that provide a full Microchip microcontroller
experience to users. This platform consists of a series of microcontrollers and extension boards, which are integrated
with MPLAB X IDE, MPLAB Harmony drivers, demo code, support data streaming, and so on.
The Curiosity boards or Xplained Pro boards support a wide range of Xplained Pro extension boards, which are
connected through a set of standardized headers and connectors. Each extension board has an identification (ID)
chip to uniquely identify which boards are connected to a Curiosity board or Xplained Pro board. This information is
used to present relevant user guides, application notes, data sheets, and example code through MPLAB X IDE.
4.1
Curiosity Board or Xplained Pro Headers and Connectors
Table 4-1. Xplained Pro Standard Extension Header
Pin number Name
Description
1
ID
Communication line to the ID chip on an extension board
2
GND
Ground
3
ADC(+)
Analog-to-digital converter, alternatively positive part of differential ADC
4
ADC(-)
Analog-to-digital converter, alternatively negative part of differential ADC
5
GPIO1
General purpose I/O
6
GPIO2
General purpose I/O
7
PWM(+)
Pulse-width modulation, alternatively positive part of differential PWM
8
PWM(-)
Pulse-width modulation, alternatively negative part of differential PWM
9
IRQ/GPIO
Interrupt request line or general purpose I/O
10
SPI_SS_B/GPIO Slave select for SPI or general purpose I/O
11
I2C_SDA
Data line for I
2
C interface. Always implemented, bus type.
12
I2C_SCL
Clock line for I
2
C interface. Always implemented, bus type.
13
UART_RX
Receiver line of target device UART
14
UART_TX
Transmitter line of target device UART
15
SPI_SS_A
Slave select for SPI. Should preferably be unique.
16
SPI_MOSI
Master Out Slave In (MOSI) line of serial peripheral interface. Always
implemented, bus type
17
SPI_MISO
Master In Slave Out (MISO) line of serial peripheral interface. Always
implemented, bus type.
18
SPI_SCK
Clock for serial peripheral interface. Always implemented, bus type.
19
GND
Ground
20
VCC
Power for extension board
4.2
maXTouch Parallel LCD Extension Connector
The LCD connector can be connected to display extensions that have a parallel interface. The connector implements
signals for an MCU parallel bus interface and a LCD controller interface, as well as signals for a touch controller. For
connector pin-out definition, refer to
maXTouch parallel LCD Connector
.
Curiosity and Xplained Pro Boards
©
2020 Microchip Technology Inc.
DS70005414B-page 6
