TUSB8040A1

TUSB8040A1 SLLSEE5D – FEBRUARY 2013 – REVISED JULY 2023 TUSB8040A1 Four-Port USB 3.0 Hub 1 Features USB 3.0 compliant hub, TID #330000037 – Upstream port supports SuperSpeed USB, high-speed and full-speed connections – Supports four downstream ports – Each of the four downstream ports support SuperSpeed USB, high-speed, full-speed, or low-speed connections USB 2.0 hub features – Multiple transaction translator (MTT) hub: four transaction translators, one per port – Four asynchronous endpoint buffers per transaction translator (TT) for better throughput than the USB-required minimum of two buffers per TT Supports battery charging applications – Battery charging 1.2 charging downstream port (CDP) when upstream port is connected – Battery charging 1.2 and Chinese Telecommunications Industry Standard YD/T 1591-2009 dedicated charging port (DCP) when upstream port is disconnected Supports operation as a USB 3.0 or USB 2.0 compound device Supports per port or ganged power switching and overcurrent notification inputs Provides the following status outputs: – High-speed upstream connection – High-speed upstream port suspended – SuperSpeed USB upstream connection – SuperSpeed USB upstream port suspended Optional serial EEPROM or SMBus target interface for custom configurations: – VID or PID – Manufacturer and product strings – Serial number Using pin selection or EEPROM and SMBus target interface, each downstream port can be independently: – Enabled or disabled – Mark...