首页>DSP56800ERM>规格书详情
DSP56800ERM中文资料PDF规格书
DSP56800ERM规格书详情
56854 General Description
• 120 MIPS at 120MHz
• 16K x 16-bit Program SRAM
• 16K x 16-bit Data SRAM
• 1K x 16-bit Boot ROM
• Access up to 2M words of program or 8M data memory
• Chip Select Logic for glue-less interface to ROM and
SRAM
• Six (6) independent channels of DMA
• Enhanced Synchronous Serial Interfaces (ESSI)
• Two (2) Serial Communication Interfaces (SCI)
• Serial Port Interface (SPI)
• 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)
• 128 LQFP package
• Up to 41 GPIO
1.1 56854 Features
1.1.1Digital 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 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
1.1.2Memory
•Harvard architecture permits up to three (3) simultaneous accesses to program and data memory
•On-Chip Memory
—16K × 16-bit Program SRAM
—16K × 16-bit Data SRAM
—1K × 16-bit Boot ROM
•Off-Chip Memory Expansion (EMI)
—Access up to 2M words of program memory or up to 8M words of data memory
—Chip Select Logic for glue-less interface to ROM and SRAM
1.1.3Peripheral Circuits for 56854
•General Purpose 16-bit Quad Timer*
•Two (2) Serial Communication Interfaces (SCI)*
•Serial Peripheral Interface (SPI) Port*
•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
•8-bit Parallel Host Interface*
•Time of Day
•Up to 41 GPIO
* Each peripheral I/O can be used alternately as a General Purpose I/O if not needed
1.1.4Energy Information
•Fabricated in high-density CMOS with 3.3V, TTL-compatible digital inputs
•Wait and Stop modes available
产品属性
- 型号:
DSP56800ERM
- 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 |
---|---|---|---|---|---|---|---|
FREESCAL |
23+ |
BGAQFP |
8659 |
原装公司现货!原装正品价格优势. |
询价 | ||
MOTOROLA |
23+ |
QFP |
4865 |
中国航天工业部战略合作伙伴行业领导者 |
询价 | ||
Freescale |
2020+ |
BGA81 |
35000 |
新到原装货,专营系列:查询请Q我 |
询价 | ||
FRS |
23+ |
65480 |
询价 | ||||
MOTOROLA |
23+ |
QFP |
8230 |
全新原装真实库存含13点增值税票! |
询价 | ||
MOROTOLA |
2138+ |
QFP |
8960 |
专营BGA,QFP原装现货,假一赔十 |
询价 | ||
MOT |
21+ |
BGA |
103 |
原装现货假一赔十 |
询价 | ||
MOTOROLA |
21+ |
35200 |
一级代理/放心采购 |
询价 | |||
FREESCAL |
23+ |
BGA81 |
19726 |
询价 | |||
MOTOROLA |
23+ |
BGA |
3200 |
全新原装、诚信经营、公司现货销售 |
询价 |