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(Stranger )
08/21/19 11:22 PM
MCF52223 ColdFire Microcontroller Report this article as Inappropriate to us !!!Login to Reply

The MCF52223 microcontroller family is a member of the ColdFire® family of reduced instruction set computing (RISC) microprocessors.

The version 2 ColdFire processor core is comprised of two separate pipelines decoupled by an instruction buffer. The two-stage instruction fetch pipeline (IFP) is responsible for instruction-address generation and instruction fetch. The instruction buffer is a first-in-first-out (FIFO) buffer that holds prefetched instructions awaiting execution in the operand execution pipeline (OEP).The OEP includes two pipeline stages. The first stage decodes instructions and selects operands (DSOC); the second stage (AGEX) performs instruction execution and calculates operand effective addresses, if needed.

The V2 core implements the ColdFire instruction set architecture revision A+ with support for a separate user stack pointer register and four new instructions to assist in bit processing. Additionally, the core includes the multiply-accumulate (MAC) unit for improved signal processing capabilities. The MAC implements a three-stage arithmetic pipeline, optimized for 16x16 bit operations, with support for one 32-bit accumulator. Supported operands include 16- and 32-bit signed and unsigned integers, signed fractional operands, and a complete set of instructions to process these data types. The MAC provides support for execution of DSP operations within the context of a single processor at a minimal hardware cost.

(Stranger )
02/04/20 01:34 PM
Re: MCF52223 ColdFire Microcontroller new [re: EmmaSwift]Report this article as Inappropriate to us !!!Login to Reply


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