| Part Number | UPD31172 |
| Manufacturer | NEC |
| Title | MOS INTEGRATED CIRCUIT |
| Description | The µPD31172 (commercial name: VRC4172) is a companion chip designed for NEC’s µPD30121 microprocessor (commercial name: VR4121). The VRC4172 has ... |
| Features |
• Directly connectable to VR4121 • On-chip USB host controller • USB ports: 2 • Compliant with the USB OpenHCI specifications, release 1.0 • Communicates with USB device asynchronously with host CPU • Full-speed (12 Mbps) and low-speed (1.5 Mbps) mod... |
| Datasheet |
 UPD31172 Datasheet
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