 MCB2140 User's Guide | |
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MCB2140 User's Guide
Introduction Setup Theory of Operation
Block Diagram PCB Illustration Schematics Technical Data Prototyping Area Microcontroller Power Supply Configuration JTAG Interface LEDs Push Buttons Potentiometer Speaker Serial Ports USB Interface SD Connector Writing Programs Example ProgramsUSB Interface
The USB Interface uses the standard USB connector on the MCB2140 board, for the full speed USB 2.0 peripheral of the LPC2140 device.
By default, the MCB2140 Board is configured as a USB-powered device. Remove the 0 Ohm resistor (R37) to use the VIN connector P14 as an external power supply connection.
You may disconnect the USB interface using the configuration jumpers D- (J12) and D+ (J14).
The configuration jumper VR (J15) connects 5V supply from the USB connector to the VBus pin (P0.23). The USB Power LED indicates the presence of USB BUS power to the device.
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