The PDIUSBH11A is a universal serial bus hub that complies with USB 1.0 specification. It supports ACPI, OnNOW, and USB power management requirements. It is also compliant with USB Human Interface Devices and Monitor Control Class. The hub features four downstream ports with per packet connectivity and auto speed detection, supports up to 3 embedded functions, and has an integrated SIE, FIFO memory, and transceivers.
The Philips PDIUSBH11A is a Universal Serial Bus Hub designed as a cost and feature-optimized second-generation device. It features four downstream ports with per-packet connectivity and auto-speed detection, supporting up to three embedded functions. The chip integrates a Serial Interface Engine (SIE), FIFO memory, and transceivers, allowing for automatic USB protocol handling and high-speed I2C communication with a system microcontroller.
| USB Specification | Universal Serial Bus specification Rev. 1.0 |
|---|---|
| Downstream Ports | Four downstream ports |
| Embedded Functions | Up to 3 embedded functions |
| Package Options | 32-pin SDIP and SO |
| Crystal Frequency | 12 MHz |
It complies with the Universal Serial Bus specification Rev. 1.0.
The PDIUSBH11A supports four downstream ports.
Yes, it is fully backward compatible to the first generation PDIUSBH11 hardware and software.