Digilent Cerebot 32MX7 Podręcznik referencyjny - Strona 15

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Digilent Cerebot 32MX7 Podręcznik referencyjny
Cerebot 32MX7 Reference Manual
Connector Descriptions and Jumper Settings
Label
Function
J7
I2C port #2 daisy chain connector
This connector provides access to the I2C signals, power and ground for I2C port #2.
J8
I2C port #1 daisy chain connector
This connector provides access to the I2C signals, power and ground for I2C port #1.
J9
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
This connector provides access to the 10/100 Ethernet port.
J12-
Do Not Use.
J14
J15
Debug USB Connector
This connector is used to connect the on-board programming and debug circuit to the PC for
use with the MPLAB IDE.
J16
Power supply source select
This jumper is used to select the source of main board power.
Place a shorting block in the upper, "USB" position to have the board powered from the USB
device connector, J19.
Place a shorting block in the center, "EXT" position to have the board powered from one of
the external power connectors, J17 or J18.
Place a shorting block in the lower, "DBG" position to have the board powered from the
debug USB connector, J15.
J17
External Power Connector
This is a 2.5mm x 5.5mm, center positive, coax power connector used to provide external
power to the board. The optional Digilent 5V Switching Power Supply is connected here.
J18
External Power Connector
This is a screw terminal connector used to provide external power to the board. Be sure to
observe proper polarity (marked near the connector) when providing power via this
connector, or damage to the board and/or connected devices may result.
J19
USB Device / OTG Connector
This is a USB micro-AB connector. It is used when using the PIC32MX795 microcontroller to
implement a USB device or OTG Host/Device.
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