Digilent 410-209P-KIT REV.D - Manual (Page 5)

chipKIT™ Uno32™ Board Reference Manual
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Page 5 of 16
Jumper Function
JP2
POWER SELECT: Used to connect/bypass the on-board 5V regulator when using an
external power supply connected to J4.
J4 supply is regulated (i.e., 5V will be present
on 5V pin). J4 supply bypasses regulator (i.e., Supply
voltage will be present on 5V pin).
Note: To protect the PIC32 MCU, a 3.3V on-board regulator will always be enabled
regardless of JP2 settings.
Note: If you're not sure what POWER SELECT does, be safe and keep JP2 on the two right-
most pins so the J4 supply is regulated.
JP4
PWM/SPI SLAVE: Configures pin 10 on J5 to be used as a PWM output or a Slave Select
input for use as an SPI slave device.
Pin 10 configured as an SPI SS input Pin 10 configured as a PWM output
JP5/JP7
SPI SELECT: Used to configure the chipKIT as either a Master or Slave when using the SPI.
The chipKIT board can be connected to another device or even another chipKIT through
the SPI connector (J8).
chipKIT configured as an SPI master.
chipKIT configured as an SPI Slave
JP6/JP8
I
2
C/ANALOG PIN SELECT: Used to configure A4 and A5 for functionality as an analog input
or to be used as I
2
C communication pins.
A4 and A5 on J7 are configured to be used
as analog inputs.
A4 and A5 are configured to be used as I
2
C
communication lines (A4 – SDA, A5 – SCL ).