mini-USB connector pinout |
connector wiring scheme |
USB (Universal Serial Bus) designed to connect peripherals and exist in a wide variety of digatal devices.
5 pin mini-USB plug connector |
USB pinout signalsUSB is a serial bus. It uses 4 shielded wires: two for power (+5v & GND) and two for differential data signals (labelled as D+ and D- in pinout). NRZI (Non Return to Zero Invert) encoding scheme used to send data with a sync field to synchronise the host and receiver clocks. In USB data cable Data+ and Data- signals are transmitted on a twisted pair. No termination needed. Half-duplex differential signaling helps to combat the effects of electromagnetic noise on longer lines. Contrary to popular belief, D+ and D- operate together; they are not separate simplex connections. USB cable wires:Shielded: Non-shielded:
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Pinouts.ru > Some peripheral devices pinouts > Pinout of mini-USB connector and layout of 5 pin mini-USB plug connector and 5 pin mini-USB jack connector |
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