The Switchtec PM8544 PSX PCIe Gen 3 Storage Switch is a programmable, high-reliability PCIe Base Specification 3.1-compliant switch supporting 64 lanes, 32 ports, 18 virtual switch partitions, 32 Non-Transparent Bridges (NTBs), and hot- and surprise-plug controllers for each port. The switch family also features advanced error containment, comprehensive diagnostics and debug capabilities, a wide breadth of I/O interfaces, and an integrated MIPS processor. PSX switches utilize a system-on-chip architecture that optionally enables customer-differentiated solutions through firmware customization and enhancements.

For product comparison, please consider: PM8546, PM8545, PM8543, PM8542, PM8541

• 64 lanes, 32 ports, 32 NTBs, and 16 virtual switch partitions
• Flexible port bifurcation with no restrictions on configuring ports as either upstream or downstream
• Integrated enclosure management processor and I/O interfaces, SDK, and a turn-key enclosure management solution
• Error containment for surprise-plug and unplug to prevent system crashes
• Advanced diagnostics and debug features to identify, diagnose and fix problems
• SDK enables customer-differentiated solutions in areas such as error containment and surprise-plug
• Error Containment
• Advanced Error Reporting (AER) on all ports
• Downstream port containment (DPC) on all downstream ports
• Completion timeout synthesis (CTS) to prevent an error state in an upstream host due to incomplete non-posted transactions
• Upstream Error Containment (UEC), a programmable feature protecting errors from propagating upstream
• Hot- 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
• Diagnostics and Debug
• Transaction Layer Packet (TLP) generator for testing and debugging of links and error handling
• Built-in PCIe analyzer with flexible triggering
• Real-time eye capture
• Any-to-any port mirroring for debug purposes
• External loopback
• Errors, statistics, performance, and TLP latency counters
• Peripheral I/O Interfaces
• Up to 11 two-wire interfaces (TWIs) with SMBus support
• Up to 4 SFF-8485-compliant SGPIO ports
• Up to 106 parallel GPIO pins
• 10/100 Ethernet MAC port (MII/RMII)
• 16-bit local bus interface with ECC protection
• 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
• 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 Board
• PM5461-KIT—PSX/PFX 96/80/64xG3, 1-Slot, 16 HD Evaluation Kit