Datasheet > 56F805_0709

56F805_0709

更新时间： 2022-09-22 09:41:16

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		控制器
页数	文件大小	规格书
56页	632K
描述
16-bit Digital Signal Controllers

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56F805_0709 数据手册

Part 1 Overview

1.1 56F805 Features

1.1.1

Processing Core

•

Efficient 16-bit 56800 family processor engine with dual Harvard architecture

As many as 40 Million Instructions Per Second (MIPS) at 80MHz core frequency

Single-cycle 16 × 16-bit parallel Multiplier-Accumulator (MAC)

Two 36-bit accumulators, including extension bits

16-bit bidirectional barrel shifter

Parallel instruction set with unique processor addressing modes

Hardware DO and REP loops

Three internal address buses and one external address bus

Four internal data buses and one external data bus

Instruction set supports both DSP and controller functions

Controller style addressing modes and instructions for compact code

Efficient C compiler and local variable support

Software subroutine and interrupt stack with depth limited only by memory

JTAG/OnCE debug programming interface

1.1.2

Memory

•

Harvard architecture permits as many as three simultaneous accesses to Program and Data memory

On-chip memory including a low-cost, high-volume Flash solution

— 31.5K × 16 bit words of Program Flash

•

— 512 × 16-bit words of Program RAM

— 4K× 16-bit words of Data Flash

— 2K × 16-bit words of Data RAM

— 2K × 16-bit words of Boot Flash

•

Off-chip memory expansion capabilities programmable for 0, 4, 8, or 12 wait states

— As much as 64K × 16 bits of Data memory

— As much as 64K × 16 bits of Program memory

1.1.3

Peripheral Circuits for 56F805

•

Two Pulse Width Modulator modules each with six PWM outputs, three Current Sense inputs, and four

Fault inputs, fault tolerant design with dead time insertion; supports both center- and edge-aligned modes

•

Two 12-bit Analog-to-Digital Converters (ADC) which support two simultaneous conversions; ADC and

PWM modules can be synchronized

Two Quadrature Decoders each with four inputs or two additional Quad Timers

56F805 Technical Data, Rev. 16

Freescale Semiconductor

1 2 345 6 7...56

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