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// USB Physical Connectors

USB Mini-B (4-Pin Legacy)

The 4-pin USB Mini-B connector is a pre-standard variant used on early digital cameras and devices before the 5-pin Mini-B was formally standardized. Has no ID pin.

// Specifications
Standard
Pre-USB 2.0 OTG (non-standard)
Pin Count
4
Speed
12 Mbps Full Speed
Shape
Mini-B without ID pin
Status
Obsolete pre-standard variant
Use Case
Early digital cameras, pre-standard devices
// Pin Reference Table
Pin Name Function Type
1 VBUS +5V power PWR
2 D- Data negative BUS
3 D+ Data positive BUS
4 GND Ground GND