ISP1130DL Overview
The ISP1130 integrates a Universal Serial Bus (USB) hub with a keyboard controller into a single chip, which plies with Universal Serial Bus Specification Rev. 1.1 and the USB Device Class Definition for Human Interface Devices (HID). The hub has 1 to 2 downstream ports and 1 to 3 non-removable embedded functions, one of which is dedicated to the keyboard operation.