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DSP56854FGE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:
DSP56854FGE
- 功能描述:
数字信号处理器和控制器 - DSP, DSC 120Mhz/120MIPS
- RoHS:
否
- 制造商:
Microchip Technology
- 核心:
dsPIC
- 数据总线宽度:
16 bit
- 程序存储器大小:
16 KB 数据 RAM
- 大小:
2 KB
- 最大时钟频率:
40 MHz
- 可编程输入/输出端数量:
35
- 定时器数量:
3
- 设备每秒兆指令数:
50 MIPs
- 工作电源电压:
3.3 V
- 最大工作温度:
+ 85 C
- 封装/箱体:
TQFP-44
- 安装风格:
SMD/SMT
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
FREESCALE |
23+ |
100-LQFP |
65480 |
询价 | |||
FREESCA |
21+ |
QFP |
744 |
原装现货假一赔十 |
询价 | ||
NXP |
08+ |
LQFP128P |
10 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
询价 | ||
FREESCALE |
23+ |
QFP |
96880 |
只做原装,欢迎来电资询 |
询价 | ||
FRESC |
D/C0642+ |
128 |
询价 | ||||
FREESCA |
QFP |
8230 |
16余年资质 绝对原盒原盘 更多数量 |
询价 | |||
FREESCALE |
23+ |
QFP |
98900 |
原厂原装正品现货!! |
询价 | ||
FREESCA |
2020+ |
LQFP128 |
8000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
Freescale |
23+ |
(DSP |
2979 |
DSC) |
询价 | ||
NXP USA Inc. |
24+ |
128-LQFP |
9350 |
独立分销商,公司只做原装,诚心经营,免费试样正品保证 |
询价 |