DSP56857E中文资料PDF规格书
DSP56857E规格书详情
56857 General Description
• 120 MIPS at 120MHz
• 40K x 16-bit Program SRAM
• 24K x 16-bit Data SRAM
• 1K x 16-bit Boot ROM
• Six (6) independent channels of DMA
• Two (2) Enhanced Synchronous Serial Interfaces (ESSI)
• Two (2) Serial Communication Interfaces (SCI)
• Serial Port Interface (SPI)
• Four (4) dedicated GPIO
• 8-bit Parallel Host Interface
• General Purpose 16-bit Quad Timer
• 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 47 GPIO
56857 Features
Digital Signal Processing 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
• Four (4) internal data buses
• 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
产品属性
- 型号:
DSP56857E
- 制造商:
FREESCALE
- 制造商全称:
Freescale Semiconductor, Inc
- 功能描述:
16-bit Digital Signal Controllers
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MOTOLOLA |
16+ |
QFP |
4000 |
进口原装现货/价格优势! |
询价 | ||
FREESCAL |
23+ |
BGAQFP |
8659 |
原装公司现货!原装正品价格优势. |
询价 | ||
MOTOROLA |
2023+ |
QFP |
80000 |
一级代理/分销渠道价格优势 十年芯程一路只做原装正品 |
询价 | ||
FREESCALE |
2020+ |
QFP144 |
210000 |
100%进口原装正品公司现货库存 |
询价 | ||
MOTOROLA |
22+23+ |
QFP |
37728 |
绝对原装正品全新进口深圳现货 |
询价 | ||
FREESCALE |
20+ |
QFP144 |
2800 |
绝对全新原装现货,欢迎来电查询 |
询价 | ||
MOTOROLA |
23+ |
65480 |
询价 | ||||
FRS |
2 |
询价 | |||||
MOROTOLA |
23+ |
QFP |
7512 |
绝对全新原装!现货!特价!请放心订购! |
询价 | ||
FREESCALE |
21+ROHS |
QFP |
10000 |
原厂授权一级代理,专业海外优势订货,价格优势、品种 |
询价 |