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UPD31172 |
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| Part Number | UPD31172 |
| Manufacturer | NEC |
| Description | The µPD31172 (commercial name: VRC4172) is a companion chip designed for NEC’s µPD30121 microprocessor (commercial name: VR4121). The VRC4172 has the following functions available on chip: a USB host ... |
| 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) modes supported • System clock: 48 MHz • On-chip PS/2 controller • On-chip IEEE1284 parallel controller • On-chip 16550 serial controller • General-purpose ports (GPIO): 24 • On-chip PWM controller • Duty modulated light pulse generation function for LCD backlighting • Internal maximum operating frequency: 48 MHz • Power supply voltage: VDD = 3.3 V ± ... |
| Document |
 UPD31172 Data Sheet
PDF 278.40KB |
| Distributor | Stock | Price | Buy |
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