MCB2140: USE AS A SELF-POWERED USB DEVICE
The MCB2140 power supply may be changed from a bus-powered USB device to self-powered mode enabling the SoftConnect feature of the LPC2148. SoftConnect is especially useful for devices that change USB functionality during runtime. USB debugging with µVision becomes easier because the firmware may be reset without unplugging the board.
Remove the following components:
Add the following components:
Additional information about the transistor: Philips PMBTA92
P0.31 must be configured for SoftConnect as follows:
PINSEL1 |= 0x80004000;
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Last Reviewed: Wednesday, January 10, 2007
of your data.