1、直到批号为0645的片子，chip erase指令还是不可靠的， 这在datasheet 52页有描述。 2、芯片的页大小寄存器只能写一次（OTP）， 如果配置为每页512字节后就再也不能写回每页528字节了。 3、网上很多例程是旧版的161B的程序，跟161D操作指令有不少差别， ATMEL已经不建议使用这些旧指令了， 移植的时候注意对照DATASHEET修改过来。 4、写入时一定要查询状态寄存器的忙碌标志， 否则后续指令无效，外部的RYD/BUSY#管脚反映的状态， 并不能作为写入的参考，当初就是在这个地方卡了3天时间。 5 部分函数做过测试,其余难免有错
标签： 0645
上传时间： 2017-02-10
上传用户：dbs012280
This software package contains the USB framework core developped by ATMEL, as well as a Mass storage driver. The MSD driver uses the internal flash of the chip to operate as a disk-on-key. The following files are included : - core/ -> Source code for the framework core -> Makefile for the core - msd/ -> Source code for the Mass Storage driver -> Makefile for the MSD driver - bin/ -> Compiled binaries for every supported chips - lib/ -> Lib v3 files for every supported chips - ./ -> Makefile for the framework -> Startup file
标签： developped framework software contains
上传时间： 2017-02-14
上传用户：003030
In this project we analyze and design the minimum mean-square error (MMSE) multiuser receiver for uniformly quantized synchronous code division multiple access (CDMA) signals in additive white Gaussian noise (AWGN) channels.This project is mainly based on the representation of uniform quantizer by gain plus additive noise model. Based on this model, we derive the weight vector and the output signal-to-interference ratio (SIR) of the MMSE receiver. The effects of quantization on the MMSE receiver performance is characterized in a single parameter named 鈥漞quivalent noise variance鈥? The optimal quantizer stepsize which maximizes the MMSE receiver output SNR is also determined.
标签： mean-square multiuser receiver project
上传时间： 2014-11-21
上传用户：ywqaxiwang
The concept of the Altera Nios II embedded processor implementation inside Field Programmable Gate Array [FPGA] of the CCD camera for the “Pi of the Sky” experiment is presented. The digital board of the CCD camera, its most important components, current implementation of firmware [VHDL] inside the FPGA and the role of external 8051 microcontroller is briefly described. The main goal of the presented work is to get rid of the external microcontroller and to design new system with Nios II processor built inside FPGA chip. Constraints for implementing the design into the existing camera boards are discussed. New possibilities offered by a larger FPGA for next generation of cameras are considered.
标签： implementation Programmable processor embedded
上传时间： 2014-01-02
上传用户：dyctj
MCPU is a minimal cpu aimed to fit into a 32 Macrocell CPLD - one of the smallest available programmable logic devices. While this CPU is not powerful enough for real world applications it has proven itself as a valuable educational tool. The source code is just a single page and easily understood. Both VHDL and Verilog versions are supplied. The package comes with assembler, emulator and extensive documentation.
标签： Macrocell available smallest programm
上传时间： 2017-03-11
上传用户：mikesering
Stereo-Vision circuit description, Aug 2002, Ahmad Darabiha This design contains four top level circuits: sv_chip0.vhd, sv_chip1.vhd, sv_chip2.vhd and sv_chip3.vhd each of them built by one Virtex2000E fpga chip. This design is hierarchical and the sub-circuits can be used as smaller benchmarks.
标签： Stereo-Vision description Darabiha contains
上传时间： 2017-03-19
上传用户：comua
Creating barcodes in Microsoft庐 Office has never been easier. With BarCodeWiz Toolbar you can add barcodes to Microsoft庐 Office applications with a click of a button. In Microsoft庐 Word, create single barcodes, pages of labels, or mail merge documents. In Microsoft庐 Excel庐, select a range of cells and automatically convert each cell to a barcode. In Microsoft庐 Access庐, create reports with barcodes based on your data tables.
标签： BarCodeWiz Microsoft Creating barcodes
上传时间： 2013-12-18
上传用户：asddsd
-The existence of numerous imaging modalities makes it possible to present different data present in different modalities together thus forming multimodal images. Component images forming multimodal images should be aligned, or registered so that all the data, coming from the different modalities, are displayed in proper locations. Mutual Information is the similarity measure used in this case for optimizing the two images. This method requires estimating joint histogram of the two images. The fusion of images is the process of combining two or more images into a single image retaining important features from each. The Discrete Wavelet Transform (DWT) has become an attractive tool for fusing multimodal images. In this work it has been used to segment the features of the input images to produce a region map. Features of each region are calculated and a region based approach is used to fuse the images in the wavelet domain.
标签： present modalities existence different
上传时间： 2014-03-04
上传用户：15736969615
The purpose of this project is to explore the issues and implementation of a multiple instruction stream, single data stream processor. We are running two instruction streams on two CPUs which share an address space. The processors share a second level cache, and maintain coherence at the L1 cache with a write-invalidate policy. The L2 cache is two-way set associative, with a block size of 8 words, and a total capacity of 512 words.
标签： implementation instruction multiple purpose
上传时间： 2017-04-18
上传用户：731140412
JTAGICE mkⅡ与AVR Studio(AVR Studio 4.09或更高版本才能使用JTAGICE mkⅡ)相结合，通过COM或USB可以对所有带JTAG或Debugwire接口的AVR单片机进行在片调试（On-Chip Debugging）和编程。 JTAGICE mkⅡ所支持的芯片的列表见附件
上传时间： 2017-04-20
上传用户：liglechongchong
