USB 2.0 low-power hub controller provides one upstream port and four downstream ports with high-speed, full-speed, and low-speed traffic support. The controller integrates a USB 2.0 transceiver, single transaction translator, 8-bit RISC microcontroller, 2 KB ROM, and 64 bytes of RAM. It operates from a 3.0 V to 3.6 V supply with a 12 MHz external crystal and supports self-powered or bus-powered hub configurations. Package options include 48-pin and 64-pin LQFP, with green package orderable variants documented.
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| Product Type | USB 2.0 low-power hub controller |
| USB Specification | USB 2.0, backward compatible with USB 1.1 |
| Downstream Ports | 4 |
| Upstream Port Speeds | High-speed and full-speed |
| Downstream Port Speeds | High-speed, full-speed, and low-speed |
| Transaction Translator | Single TT |
| Microcontroller Core | 8-bit RISC |
| CPU Performance | 6 at 12 MHzMIPS |
| Internal ROM | 2KB |
| Internal RAM | 64bytes |
| External Clock | 12 ±0.05%MHz |
| Supply Voltage | 3.0 to 3.6V |
| Ambient Operating Temperature | 0 to 70°C |
| Power Management Modes | Individual/Gang on 64-pin LQFP; Gang on 48-pin LQFP |
| Status LED Support | Green/Amber per downstream port |
| Suspend Current | 540/800 typ.µA |
| Maximum Supply Voltage Rating | -0.5 to +3.6V |
| Package Options | 48-pin LQFP, 64-pin LQFP |
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