The document is about USBN9603/USBN9604, introducing its product features and characteristics.
The National Semiconductor USBN9603 and USBN9604 are integrated, full-speed USB node controllers compatible with USB specification versions 1.0 and 1.1. These devices feature enhanced Direct Memory Access (DMA) support to facilitate CPU-independent data transfers for bulk or isochronous endpoints.
| USB Speed | Full-speed |
|---|---|
| Oscillator Frequency | 24 MHz |
| Operation Voltage | 5V or 3.3V |
| Endpoint FIFO Size (Control) | 8 bytes |
| Endpoint FIFO Size (Other) | 64 bytes |
The device is compatible with USB specification versions 1.0 and 1.1.
Seven endpoint pipes are supported: one for control, three transmit, and three receive.