DSP56F827FG80 Ver la hoja de datos (PDF) - Motorola => Freescale

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DSP56F827FG80

16-bit Hybrid Controller

Motorola => Freescale 

Freescale Semiconductor, Inc.

Part 1 Overview

1.1 56F827 Features

1.1.1 Digital Signal Processing Core

• Efficient 16-bit 56800 family DSP 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 shifter

• Parallel instruction set with unique DSP 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

— 64K words of Program Flash

— 1K words of Program RAM

— 4K words of Data RAM

— 4K words of Data Flash

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

— As much as 64 K × 16 Data memory

— As much as 64 K × 16 Program memory

1.1.3 Peripheral Circuits for 56F827

• One 10 channel, 12-bit, Analog-to-Digital Converter (ADC)

• One General Purpose Quad Timer totaling 4 pins

• One Serial Peripheral Interface with configurable four-pin port multiplexed with two Serial

Communications Interfaces totalling 4 pins or 4 GPIO pins

• Three Serial Communication Interfaces with 2 pins each (or 6 additional GPIO pins)

• Two Serial Peripheral Interface with configurable four-pin port (or 4 additional GPIO pins)

2

56F827 Technical Data

For More Information On This Product,

Go to: www.freescale.com

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