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4port-Bus-Self-powered-hub.rar
- 这是NEC的USB HUB芯片的BUS供电和自供电的原理图,This is NEC s USB HUB chip BUS-powered and self-powered schematics
4port-Self-powered-hub
- NEC的USB HUB设计原理图,这是自供电的原理图-NEC s USB HUB schematic design, which is self-powered schematics