PCI11400

The Microchip PCI11400 is a single-chip PCIe switch with an integrated USB 3.2 Gen 2 host controller and programmable I/O. The integrated PCIe physical interfaces provide a 4-lane (4x8GT/s) upstream port and a 1-lane (1x8GT/s) downstream port. The device is targeted to address the need for higher bandwidth PCIe sub-systems within embedded applications. PCIe upstream can be delivered across a single or multiple lanes to accommodate best system architecture. The PCI11400 includes a compliant PCIe implementation from external facing physical interfaces through to switch fabric and endpoint controllers.

The PCI11400 includes a USB-IF and xHCI compliant USB 3.2 Gen 2 host controller which provides one USB 3.2 Gen 2 (USB Type-C) port, and three USB 2.0 HS/FS/LS (USB Type-A) ports. USB-C support is provided, with CC1 & CC2 (Configuration Control) being managed by the PCI11400. Overcurrent Sense (OCS) and Port Control are provided for control of Vbus.

A programmable pin multiplexer is used to map I/O functions to package pins. This enables designers to work with either a default configuration or modify signals to best fit their application. Example signals include those associated with USB operation, through to GPIO or SMBus, which are accessed via a dedicated PCIe Endpoint Controller.

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