Item specifics
Description
80HCPS1432CRMI is the CPS-1432 series 2nd generation RapidIO switch from IDT, now part of Renesas Electronics, available in 576-pin FCBGA package. The device supports 14 ports and 32 lanes, operating at up to 6.25 Gbaud per lane, delivering 160 Gbps of non-blocking switching bandwidth. It supports 1x, 2x and 4x port widths, and is compatible with Gen1 and Gen2 RapidIO endpoints including microprocessors, DSPs, FPGAs, ASICs and bridges. Designed for applications requiring high reliability and low latency including wireless infrastructure, ATCA/AMC boards, CPCI backplane switches, VPX systems, imaging systems, video conferencing equipment, and industrial automation
80HCPS1432CRMI Core Features
RapidIO Interfaces： Up to 14 ports compliant with RapidIO Specification Rev 2.1 supporting 1x 2x and 4x port widths
Lane Configuration： Up to 32 full duplex lanes with selectable 1.25 2.5 3.125 5.0 and 6.25 Gbaud lane rates delivering 160 Gbps peak throughput
Switch Architecture： 5th generation non blocking full crossbar switch fabric with ultra low latency
Routing Capabilities： Supports unicast up to 40 multicast groups broadcast routing and hierarchical routing scheme covering all 64K 16 bit destination IDs
Flow Control： CRF bit support for eight independent priority levels with queue aging preventing starvation of lower priority traffic under congestion
Maintenance and Debug： Powerful packet trace and filter functionality separate routing path for maintenance packets JTAG 1149.1 and 1149.6 support
System Reliability： RapidIO standard leaky bucket port failure handling hot swap support with per port reset capability
Error Handling： Full compliance with RapidIO Error Management Extensions plus implementation specific event detection and notification
Additional Interfaces： I2C master and slave access standard JTAG boundary scan test interface
Package Type： 25 by 25 by 2.6 millimeters 576 FCBGA with 1 millimeter pin pitch tray packaging
Temperature Range： Industrial grade minus 40 degrees Celsius to 85 degrees Celsius
Part Status： Obsolete factory pack quantity 44 pieces per tray
80HCPS1432CRMI Applications
Communication Infrastructure： Wireless base station nodes ATCA AMC boards CPCI backplane switches
Military Defense Electronics： Upgraded 3U 6U VPX systems for harsh environment high reliability requirements
Video and Imaging： High end imaging systems video conferencing equipment medical imaging devices
Industrial Automation： Industrial control systems data acquisition equipment industrial IoT gateways
Embedded Computing： DSP array signal processing FPGA data exchange multiprocessor interconnection
Backplane Communication： Supports RapidIO long run specification 100 cm FR4 with two connectors for backplane and chassis to chassis switching applications
80HCPS1432CRMI Key Advantages
High Speed Low Latency： 5th generation switch fabric with patent pending features minimizing latency ensuring scheduling fairness and superior multicast throughput
High Throughput： 160 Gbps non blocking switch fabric supporting up to eight 20 Gbps ports in 8x4 configuration
Flexible Configuration： Independently configurable port widths and lane rates supporting various system architectures
Rich Routing Capabilities： Unicast multicast broadcast and hierarchical routing covering full 64K destination ID range
Strong Fault Isolation： RapidIO standard leaky bucket fault handling combined with implementation specific fault detection
Hot Swap Support： Per port reset capability for online maintenance and replacement
Broad Ecosystem： Compatible with various RapidIO endpoint devices including microprocessors DSPs FPGAs and ASICs
Compact Package： 25 by 25 millimeter FCBGA package ideal for space constrained applications such as AMC and 3U 6U VPX systems
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FAQ:
What is the 80HCPS1432CRMI and its key specifications?
This is a second‑generation Serial RapidIO (SRIO) switch from Renesas (formerly IDT), designed for high‑performance embedded interconnect. It provides 14 SRIO ports and 32 serializer/deserializer lanes, with each lane supporting Gen2 data rates of up to 6.25 Gbaud (5.0 Gbps effective throughput per lane). The switch offers an aggregate non‑blocking bandwidth of over 160 Gbps, cut‑through and store‑and‑forward switching modes, multicast support, and advanced flow control. It is housed in a 784‑ball FCBGA package (typically 27 mm × 27 mm) and operates over an industrial temperature range. The device is widely used in wireless base‑stations, military signal processing, medical imaging, and other real‑time, data‑intensive applications that rely on high‑bandwidth, low‑latency inter‑processor communication.
What does “80HCPS1432CRMI” stand for and what are its port configurations?
The part number 80HCPS1432 indicates a CPS‑1432 RapidIO switch with 14 ports and a total of 32 high‑speed serial lanes. Each port can be configured as a ×4 (4‑lane) or ×2 (2‑lane) interface, giving designers flexibility in board‑level interconnect. The “CRMI” suffix typically denotes commercial temperature grade (0 °C to +70 °C or 0 °C to +85 °C depending on the exact variant) with a lead‑free package. The switch allows a mix of ×4 and ×2 ports to match the lane count of connected DSPs, FPGAs, or processors, maximizing overall system throughput.
What are the supported data rates and what is the maximum throughput?
Each lane operates at 1.25 Gbaud, 2.5 Gbaud, 3.125 Gbaud, 5.0 Gbaud, or 6.25 Gbaud, covering both Gen1 and Gen2 RapidIO specifications. With 32 lanes at the maximum rate of 6.25 Gbaud, the aggregate bandwidth exceeds 160 Gbps (32 × 5 Gbps effective). The switch supports per‑port independent speed negotiation, allowing different generation endpoints to coexist on the same fabric. This high throughput makes it ideal for high‑speed backplane and inter‑rack communication in centralized radio access networks (C‑RAN) and software‑defined radio (SDR) systems.
What switching modes and advanced features does the 80HCPS1432CRMI offer?
The device supports both cut‑through switching (for minimal latency, often under 100 ns) and store‑and‑forward switching (for error checking). It includes multicast/broadcast capability, which is essential for distributing data to multiple processing elements simultaneously. Advanced features such as port mirroring, performance monitoring counters, and hardware‑based flow control (with credit‑based flow management) ensure reliable data delivery. The switch also supports lane reversal and automatic polarity detection, simplifying PCB layout.
What are the typical applications of the CPS1432 SRIO switch?
It is primarily used in wireless infrastructure (4G/5G baseband processing, RRU‑to‑BBU interconnects), military and aerospace signal intelligence, medical ultrasound and CT imaging, high‑performance embedded computing (HPEC), and industrial machine vision. Any system that requires multiple processors, FPGAs, or DSPs to exchange large amounts of data in real time with deterministic latency is a candidate for this RapidIO switch.
How does the 80HCPS1432CRMI handle system management and configuration?
The switch can be configured via I2C (two‑wire serial interface), SPI, or PCI Express Vendor‑Defined Messages. It also supports in‑band management through the RapidIO maintenance port. The device includes multiple general‑purpose I/O pins for status LEDs, interrupts, and reset control. For large systems, multiple CPS1432 switches can be cascaded to build larger fabrics, and the global routing table ensures correct packet delivery across the entire network.
What is the power consumption and what supply voltages are required?
The switch operates from a 1.0 V core supply (for the switching fabric and SerDes) and a 3.3 V or 2.5 V I/O supply. Typical power consumption for the CPS1432 is in the range of 5 W – 10 W, depending on the number of active ports and the configured data rates. The device includes per‑port power management that can put unused ports into a low‑power state. Adequate PCB copper and an optional heatsink are recommended for sustained operation at maximum bandwidth.
How does the CPS1432 compare to the earlier CPS Gen1 switches?
The CPS1432 is a second‑generation RapidIO switch, offering double the per‑lane bandwidth of Gen1 devices (6.25 Gbaud vs 3.125 Gbaud). It also provides more ports (14 vs 8/12), lower switching latency, and enhanced multicast capabilities. The Gen2 switch is fully backward compatible with Gen1 endpoints, protecting existing investments while providing a clear upgrade path for higher‑performance systems. Its improved signal integrity and equalization features also support longer backplane traces and cables.
What development tools and ecosystem support are available for the CPS1432?
Renesas provides a comprehensive evaluation board and software development kit (SDK) that includes a graphical user interface for configuring the switch, monitoring performance, and running diagnostic tests. The RapidIO Trade Association maintains the protocol specification, and a wide range of third‑party vendors offer IP cores, analyzers, and training. The switch is supported by real‑time operating systems such as VxWorks, Linux (with appropriate drivers), and Integrity.
Can the 80HCPS1432CRMI be used in fault‑tolerant and high‑reliability systems?
Yes. The switch includes hardware error detection and correction (ECC) on internal memories, per‑port loopback for fault isolation, and hot‑swap support at the RapidIO protocol level. Its industrial temperature rating and robust signal integrity features make it suitable for mission‑critical applications. The ability to implement dual‑star, mesh, and redundant fabric topologies further enhances system‑level reliability in telecom and defense deployments.