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56F84766VLK Datasheet(PDF) 6 Page - Freescale Semiconductor, Inc |
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56F84766VLK Datasheet(HTML) 6 Page - Freescale Semiconductor, Inc |
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6 / 69 page  • 32-bit arithmetic and logic multi-bit shifter • Four 36-bit accumulators, including extension bits • Parallel instruction set with unique DSP addressing modes • Hardware DO and REP loops • Bit reverse address mode, effectively supporting DSP and Fast Fourier Transform algorithms • Full shadowing of the register stack for zero-overhead context saves and restores: nine shadow registers corresponding to the R0, R1, R2, R3, R4, R5, N, N3, and M01 address registers • Instruction set supporting both DSP and controller functions • Controller-style addressing modes and instructions for compact code • Enhanced bit manipulation instruction set • Efficient C compiler and local variable support • Software subroutine and interrupt stack with depth limited only by memory • Priority level setting for interrupt levels • JTAG/Enhanced On-Chip Emulation (OnCE) for unobtrusive, real-time debugging that is independent of processor speed 1.3 Operation Parameters • Up to 100 MHz operation at -40 °C to 105 °C ambient temperature • Single 3.3 V power supply • Supply range: VDD - VSS = 2.7 V to 3.6 V, VDDA - VSSA = 2.7 V to 3.6 V 1.4 On-Chip Memory and Memory Protection • Modified dual Harvard architecture permits as many as three simultaneous accesses to program and data memory • Internal flash memory with security and protection to prevent unauthorized access • Memory resource protection (MRP) unit to protect supervisor programs and resources from user programs • Programming code can reside in flash memory during flash programming • The dual-ported RAM controller supports concurrent instruction fetches and data accesses, or dual data accesses, by the DSC core. • Concurrent accesses provide increased performance. • The data and instruction arrive at the core in the same cycle, reducing latency. • On-chip memory • Up to 128 KW program/data flash memory • Up to 16 KW dual port data/program RAM Overview MC56F847xx Advance Information Data Sheet, Rev. 2, 06/2012. 6 Preliminary Freescale Semiconductor, Inc. General Business Information |
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