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Technical Support
On-Line Manuals
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 Programs
USB 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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