Digilent MX7cK User Manual

Page 22

Cerebot MX7cK Reference Manual

www.digilentinc.com

page 22 of 36

Appendix A: Connector Descriptions and Jumper Settings

Label

Function

JA-JF Pmod Connectors

These connectors provide access to the I/O pins on the PIC32MX795 microcontroller.
Digilent Pmod peripheral modules can be attached to these connectors. These connectors
can be used for general access to I/O pins on the PIC32MX795 microcontroller.

JPA

–

JPF

Pmod header power select
Any of the Pmod connectors can provide either regulated or unregulated power. To use
regulated power, place the jumper block over the center pin and the pin marked 3V3. To use
unregulated power, place the jumper block over the center pin and the pin marked 5V0.

USB Serial converter auxiliary signals
This connector can be used to access the auxiliary RS232 handshaking signals not used on
the Cerebot MX4cK board.

USB Serial converter (UART) connector
This USB micro-AB connector is used to connect the FT232R serial converter to a USB port
on the user PC.

Power supply source select
This jumper is used to select the source of main board power.

Place the shorting block in the, “USB” position to have the board powered from the USB
device connector, J19.

Place the shorting block in the, “EXT” position to have the board powered from one of the
external power connectors, J17 or J18.

Place the shorting block in the, “DBG” position to have the board powered from the debug
USB connector, J15.

Place the shorting block in the “UART” position to have the board powered from the USB
serial converter connector, J2

I2C1 daisy chain connector
This connector provides access to the I2C signals, power and ground for I2C1.

I2C2 daisy chain connector
This connector provides access to the I2C signals, power and ground for I2C2.

CAN #1 Connector
This connector is used to access the signals for CAN #1.

J10

CAN #2 Connector
This connector is used to access the signals for CAN #2.

J11

Ethernet Connector