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Freescale™ ColdFire Architecture IP

Learn more--see our ColdFire product videos

Comparison of V1, V2, V4 ColdFire Architecture Cores

Our extensive collection of ColdFire IP gives you the flexibility to choose the best solution for your cost/performance requirements while benefiting from the huge ecosystem of development resources available for the ColdFire architecture. Deployed in over 500 million devices worldwide, ColdFire is one of the world's most widely-used 32-bit processor architectures. And the modern implementations of the ColdFire architecture, proven in devices from Freescale Semiconductor and available as synthesizable IP from IPextreme, provide performance and reliability that rival any similarly featured 32-bit processor IP.

All ColdFire cores feature a variable-length RISC architecture for compact code and are supported by an extensive collection of development systems, tools, libraries, and operating systems from Freescale and several third-party commercial and open-source providers.

ColdFire Cores

The V4 ColdFire Core is the high-end member of the ColdFire processor family with over 500 DMIPS of performance at 345 MHz and support for Linux as well as several RTOS's. A fully-integrated enhanced MAC (EMAC) and optional FPU provide hardware support for DSP operations and floating-point calculations, while tightly-coupled local SRAM and 4-way set-associative instruction/data caches connected to Harvard high-speed local buses maximize system efficiency.

The V2 ColdFire Core is a mid-level processor core with single-cycle-access local SRAM and ROM and a direct-mapped cache that can be configured as instruction cache, data cache, or split instruction/data cache. The V2 ColdFire Core delivers over 250 DMIPS of performance at 240 MHz and includes an optional EMAC unit for DSP-like functions and faster execution of multiply instructions.

The V1 ColdFire Core is a scaled-down implementation of the ColdFire Architecture for cost-sensitive applications. At under 20K gates in the minimum configuration, the V1 ColdFire Core still delivers over 270 DMIPS at 240 MHz. Like all ColdFire IP from IPextreme, the V1 ColdFire Core is delivered as fully synthesizable Verilog source code. However, the V1 ColdFire Core is also available in two additional low-cost packages: an encrypted Verilog version avaliable for purchase online in the IPextreme Core Store and a zero-cost package for Altera Cyclone III devices.

ColdFire Subsystems

For those who prefer pre-assembled subsystems, IPextreme also offers a variety of ColdFire-based subsystems including:

• V4 ColdFire Core & Standard Product Platform (SPP): A complete subsystem featuring the V4 ColdFire Core, integrated AMBA 2 AHB/APB fabric with multi-master/multi-slave AHB crossbar switch, and a collection of integrated peripherals. To jump-start software development, IPextreme can provide a custom implementation of the MQX real-time operating system for the V4 ColdFire Core & SPP.
• V2 ColdFire Core & SPP: A complete subsystem featuring the V2 ColdFire Core, integrated AMBA 2 AHB/APB fabric with multi-master/multi-slave AHB crossbar switch, and the collection of integrated peripherals matching the MCF5208 IC from Freescale Semiconductor.
• V1 ColdFire Subsystem: A single-master subsystem featuring the V1 ColdFire Core as the AMBA 2 AHB master, integrated AHB/APB interconnect, RAM controller, and your choice of up to 16 fully-integrated APB peripherals from our collection of silicon-proven AMBA 2 APB compliant IP. If you choose fewer than 16 internal peripherals, you can choose to export the remaining APB ports to the subsystem top level for connection of your own APB compliant peripherals.

The example V1 ColdFire Subsystem shown below uses a single internal APB peripheral (USART), leaving 15 top-level APB ports available for external peripherals.

Variations of the V1, V2, and V4 ColdFire subsystems, using different combinations of integrated peripheral IP blocks, are available upon request. For more information, contact us at info@ip-extreme.com.