AT43301 Overview
The AT43301 is a 5-port USB hub chip supporting one upstream and four downstream ports. The AT43301 connects to an upstream hub or host/root hub via Port0, while the other ports connect to external downstream USB devices. The hub re-transmits the USB differential signal between Port0 and Ports[1:4] in both directions.
AT43301 Key Features
- Full pliance with USB Spec Rev 1.1
- Four Downstream Ports
- Full-speed and Low-speed Data Transfers
- Bus-powered Controller
- Bus-powered or Self-powered Hub Operation
- Port Overcurrent Monitoring
- Port Power Switching
- 5V Operation with On-chip 3.3V Regulator
- 24-pin SOIC