4.2
Headers and Connectors
The following sections describe the implementation of different headers and connectors on the PIC32CM LE00/LS00/
LS60 Curiosity Pro and their connections to the PIC32CM LE00/LS00/LS60 microcontroller.
The tables in the following sections describe which signals are shared between the headers and on-board
functionality.
4.2.1
Curiosity Pro Power Header
The power header (POWER) can be used to connect external 5V power to the PIC32CM LE00/LS00/LS60 Curiosity
Pro evaluation kit.
The power header can also be used as a supply for external peripherals or extension boards. Care must be taken not
to exceed the total current limitation of the on-board regulator when using the 3.3V pin.
Table 4-2. Curiosity Pro Power Header (J202)
Pin Number Pin Name
Function
Pin Description
1
5V IN
VCC_EXT_P5V0
External 5V input
2
GND
GND
Ground
3
5V IN
VCC_EXT_P5V0
External 5V input
4
3V3
VCC_TARGET_P3V3
Regulated 3.3V (output, used as main power supply for the kit)
4.2.2
Extension Headers
All Curiosity Pro evaluation kits have several dual rows, 20-pin, 100 mil extension headers (with a pitch of 2.54 mm),
which can be used to connect to a variety of Xplained Pro extension boards, or to access the pins of the target.
The Curiosity Pro evaluation kits have male headers and the extension boards have their female counterparts. All
pins are not always connected, and the connected pins follow the defined pin-out descriptions given in the following
table.
Table 4-3. Extension Header
Pin Number
Pin Name
Pin Description
1
ID_EXTx
Communication line to the ID chip on an extension board EXTx
2
GND
Ground
3
ADC(+)
Analog-to-Digital Converter (ADC) alternatively positive part of differential ADC
4
ADC(-)
ADC alternatively negative part of differential ADC
5
GPIO
General purpose I/O
6
GPIO
General purpose I/O
7
PWM(+)
Pulse-Width Modulator (PWM) alternatively positive part of differential PWM
8
PWM(-)
PWM alternatively negative part of differential PWM
9
IRQ/GPIO
Interrupt Request Line and general purpose I/O
10
SPI_SS_B/GPIO
SPI Select and general purpose I/O
11
TWI_SDA
Data line for I²C interface
12
TWI_SCL
Clock line for I²C interface
13
UART_RX
Receiver line of target device UART
14
UART_TX
Transmitter line of target device UART
PIC32CM LE00/LS00/LS60
Hardware User Guide
©
2022 Microchip Technology Inc.
and its subsidiaries
User Guide
DS70005443E-page 12
