PM8531B-F3EI [Microchip]

The Switchtec PM8531 PFX PCIe Gen 3 fanout switch is the industry's highest density, lowest power, high reliability PCIe Base Specification 3.1-compliant switch supporting 24 lanes, 6 virtual switch partitions, 12 Non-Transparent Bridges (NTBs), hot- and surprise-plug controllers for each port, advanced error containment, and comprehensive diagnostics and debug capabilities.

• Most flexible per port bifurcation in the industry
• 24 lanes, 12 ports and 12 NTBs
• 6 virtual switch partitions for efficient use of system resources
• Advanced error containment and surprise-plug and unplug support to prevent system crashes
• Advanced diagnostics and debug features to identify, diagnose and fix problems
• SRIS for cabled PCIe and lower cost system designs
• Error Containment
• Advanced Error Reporting (AER) on all ports
• Downstream Port Containment (DPC) on all downstream ports
• Poisoned TLP blocking
• Completion Timeout Synthesis (CTS) to prevent an error state in an upstream host due to incomplete non-posted transactions
• Hot- and surprise-plug controllers per port
• GPIOs configurable for different cable/connector standards
• PCIe Interfaces
• Passive, managed, and optical cables
• SFF-8644, SFF-8643, SFF-8639, OCuLink, and other connectors
• SHPC-enabled slot and edge connectors
• Diagnostics and Debug
• Transaction Layer Packet (TLP) generator for testing and debugging of links and error handling
• Real-time eye capture
• Any-to-any port mirroring for debug purposes
• External loopback at PHY and TLP layers
• Errors, statistics, performance, and TLP latency counters
• Peripheral I/O Interfaces
• Up to 11 Two-Wire Interfaces (TWIs) with SMBus support
• Up to 2 SFF-8485-compliant SGPIO ports
• Up to 109 parallel GPIO pins
• Up to 4 UARTs
• JTAG and EJTAG interface
• High-speed I/O
• PCIe Gen 3 8 GT/s
• Supports PCIe-compliant link training and manual PHY configuration
• Power Management
• Active State Power Management (ASPM)
• Software controlled power management
• Chiplink Diagnostic Tools
• Extensive debug, diagnostics, configuration, and analysis tools with an intuitive GUI
• Access to configuration data, management capabilities, and signal integrity analysis tools (such as real-time eye capture)
• Connects to device over in-band PCIe or sideband signals (UART, TWI, and EJTAG)
• Evaluation Kit
• PM5461-KIT—PSX/PFX 96/80/64xG3, 1-Slot, 16 HD Evaluation Kit