Datasheet > 56F84462VLH

56F84462VLH

更新时间： 2022-09-22 09:42:03

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		/
页数	文件大小	规格书
67页	988K
描述
MC56F844xx Advance

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56F84462VLH 数据手册

Overview

• 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 60 MHz operation at -40 °C to 105 °C ambient temperature

• Single 3.3 V power supply

• Supply range: V_DD- V_SS= 2.7 V to 3.6 V, V_DDA- V_SSA= 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

MC56F844xx Advance Information Data Sheet, Rev. 2, 06/2012.

Freescale Semiconductor, Inc.

Preliminary

General Business Information

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