NXP 32 Bit Microcontrollers MCU Embedded Processors And Controllers MCF5282CVM66

MCF5282CVM66 NXP MAPBGA-256 32-bit Microcontrollers - MCU Embedded Processors & Controllers

A block diagram of the MCF528x and MCF521x is shown in Figure 1-1. The main features are as follows:

• Static Version 2 ColdFire variable-length RISC processor

— Static operation

— On-chip 32-bit address and data path

— Processor core and bus frequency up to 80 MHz

— Sixteen general-purpose 32-bit data and address registers

— ColdFire ISA_A with extensions to support the user stack pointer register, and four new instructions for improved bit processing

— Enhanced Multiply-Accumulate (EMAC) unit with four 48-bit accumulators to support 32-bit signal processing algorithms

— Illegal instruction decode that allows for 68K emulation support

• System debug support

— Real-time trace for determining dynamic execution path

— Background debug mode (BDM) for in-circuit debugging

— Real time debug support, with one user-visible hardware breakpoint register (PC and address with optional data) that can be configured into a 1- or 2-level trigger

• On-chip memories

— 2-Kbyte cache, configurable as instruction-only, data-only, or split I-/D-cache

— 64-Kbyte dual-ported SRAM on CPU internal bus, accessible by core and non-core bus masters (e.g., DMA, FEC) with standby power supply support

— 512 Kbytes of interleaved Flash memory supporting 2-1-1-1 accesses (256 Kbytes on the MCF5281 and MCF5214, no Flash on MCF5280)

– This product incorporates SuperFlash® technology licensed from SST.

• Power management

— Fully-static operation with processor sleep and whole chip stop modes

— Very rapid response to interrupts from the low-power sleep mode (wake-up feature) — Clock enable/disable for each peripheral when not used

• Fast Ethernet Controller (FEC) (not available on the MCF5214 and MCF5216)

— 10BaseT capability, half- or full-duplex

— 100BaseT capability, half- or limited-throughput full-duplex

— On-chip transmit and receive FIFOs

— Built-in dedicated DMA controller

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