Colorado Springs, Colo.—Ramtron International Corp. is offering a universal serial bus (USB) interface for in-circuit programming/debugging with its Versa 8051 microcontroller development tools. The ...
Just like a PC’s USB port, the serial port on a PC can also in some cases serve as a power supply. A USB port can provide as much as 500 mA at 5V, but a serial port provides less power. Even with the ...
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