位置:DSP56855E > DSP56855E详情

DSP56855E中文资料

厂家型号

DSP56855E

文件大小

1058.29Kbytes

页面数量

52

功能描述

16-bit Digital Signal Controllers

数据手册

下载地址一下载地址二到原厂下载

生产厂商

恩XP

DSP56855E数据手册规格书PDF详情

56855 General Description

• 120 MIPS at 120MHz

• 24K x 16-bit Program SRAM

• 24K x 16-bit Data SRAM

• 1K x 16-bit Boot ROM

• Access up to 2M words of program memory or 8M

words of data memory

• Chip Select Logic for glueless interface to ROM and

SRAM

• Six (6) independent channels of DMA

• Enhanced Synchronous Serial Interface (ESSI)

• Two (2) Serial Communication Interfaces (SCI)

• General Purpose 16-bit Quad Timer with 1 external pin

• JTAG/Enhanced On-Chip Emulation (OnCE™) for

unobtrusive, real-time debugging

• Computer Operating Properly (COP)/Watchdog Timer

• Time-of-Day (TOD)

• 100 LQFP package

• Up to 18 GPIO

1.1 56855 Features

1.1.1 Core

• Efficient 16-bit engine with dual Harvard architecture

• 120 Million Instructions Per Second (MIPS) at 120MHz core frequency

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

• Four (4) 36-bit accumulators including extension bits

• 16-bit bidirectional shifter

• Parallel instruction set with unique DSP addressing modes

• Hardware DO and REP loops

• Three (3) internal address buses and one (1) external address bus

• Four (4) internal data buses and one (1) external data bus

• Instruction set supports both DSP and controller functions

• Four (4) hardware interrupt levels

• Five (5) software interrupt levels

• 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/Enhanced OnCE debug programming interface

1.1.2 Memory

• Harvard architecture permits up to three (3) simultaneous accesses to program and data memory

• On-Chip Memory

— 24K × 16-bit Program SRAM

— 24K × 16-bit Data SRAM

— 1K × 16-bit Boot ROM

• Off-Chip Memory Expansion (EMI)

— Access up to 2M words of program memory or 8M words of data memory

— Chip Select Logic for glue-less interface to ROM and SRAM

1.1.3 Peripheral Circuits for 56855

• General Purpose 16-bit Quad Timer with 1 external pin*

• Two (2) Serial Communication Interfaces (SCI)*

• Enhanced Synchronous Serial Interface (ESSI) module*

• Computer Operating Properly (COP)/Watchdog Timer

• JTAG/Enhanced On-Chip Emulation (EOnCE) for unobtrusive, real-time debugging

• Six (6) independent channels of DMA

• Time-of-Day (TOD)

• Up to 18 GPIO

* Each peripheral I/O can be used alternately as a General Purpose I/O if not needed

1.1.4 Energy Information

• Fabricated in high-density CMOS with 3.3V, TTL-compatible digital inputs

• Wait and Stop modes available

DSP56855E产品属性

  • 类型

    描述

  • 型号

    DSP56855E

  • 制造商

    FREESCALE

  • 制造商全称

    Freescale Semiconductor, Inc

  • 功能描述

    16-bit Digital Signal Controllers

更新时间:2021-9-14 10:50:00
供应商 型号 品牌 批号 封装 库存 备注 价格
恩XP
25+
QFP-100
1001
就找我吧!--邀您体验愉快问购元件!
恩XP
22+
100LQFP
9000
原厂渠道,现货配单
恩XP
08+
LQFP100
4
一级代理,专注军工、汽车、医疗、工业、新能源、电力
恩XP
23+
LQFP100
2504
原厂原装正品
恩XP
原厂封装
9800
原装进口公司现货假一赔百
恩XP
2023+
LQFP100
8800
正品渠道现货 终端可提供BOM表配单。
恩XP
21+
100-TQFP
5680
100%进口原装!长期供应!绝对优势价格(诚信经营
FREESCALE
23+
LQFP100
4
全新原装正品现货,支持订货
FREESCALE
25+
QFP
996880
只做原装,欢迎来电资询
FRE
24+
NA
1000
只做原装正品现货 欢迎来电查询15919825718