PCI11101C Single-Chip PCIe Switches

Microchip Technology PCI11101C Single-Chip PCIe Switches integrate a USB 3.2 Gen 2 host controller and programmable I/O. The Microchip PCI11101C features PCIe physical interfaces providing a 4‑lane (4×8GT/s) upstream port and a 2‑lane (2×8GT/s) downstream port, delivering up to 8GT/s to support higher‑bandwidth PCIe subsystems in embedded applications. The upstream interface can operate over one or multiple lanes for system design flexibility, and the device includes a standards‑compliant PCIe implementation from the external physical interfaces through the switch fabric and endpoint controllers. The device also supports PCIe Precision Time Measurement (PTM), as specified in PCI Express Base Specification R5.0 V1.0, enabling precise timing exchange to determine the relationship between local device clocks and the PTM Master Time domain.