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Description: ch372 89c51的USB通信程序，开发环境KEI51。可直接烧写89C51。-ch372 89c51 USB communication procedures, KEI51 development environment. Direct burning 89 C51.
Platform: |
Size: 21432 |
Author: 高月山 |
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Description: 通用串行总线USB(Universal Serial Bus)是一种新型的微机总线接口规范。随着客户对系统数据采集速度要求的不断提高，USB以其使用方便、易于扩展、速度快等优点而越来越多的应用于数据采集系统中。本文介绍了一种基于USB总线的数据采集系统的设计方法，采用PHILIPS公司的USB接口芯片PDIUSBD12与单片机AT89C51进行通信，并和PC机通信而编制出友善的设备应用程序。该系统用传统的USB总线取代了RS232串行总线，通过对USB协议和设备构架的充分理解，对以单片机89C51和USB接口芯片PDIUSBD12为主的数据采集系统进行了硬件设计和软件编程，并在此设计的基础上给出相应的原理图。硬件设计主要解决的是PDIUSBD12和ADC0809与单片机之-USB (Universal Serial Bus) is a new type of micro - Machine Bus Interface Specification. With customers on the system data acquisition speed continues to improve, with USB convenient, easy to expand, the advantages of faster and more and more used in data acquisition systems. This paper presents a USB-based data acquisition system design methods, PHILIPS companies using the USB interface chip with PDIUSBD12 Progressive AT89C51 OK communication, and communication and PC-friendly and produce equipment applications. The system using traditional USB replace the RS232 serial bus, Through the USB framework agreement and equipment with the full understanding, right to 89 C51 microcontroller and USB interface chip PDIUSBD12-based data acquisition system for the hardware pieces of software design a
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Size: 3032 |
Author: wq57 |
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Description: 此为d12和89C51的USB驱动 本人已经通过测试 调试通过 -this colonization but declined on day 12 of the 89C51 and USB drives I have passed the tests through debugging
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Size: 72120 |
Author: 付 |
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Description: 结合无线通信技术和USB技术的优点,提出一种基于无线USB技术的数据采集系统。该系统运用高速转换器AD7874、USB接口芯片PDIUSBD12、89C51微处理器和射频收发器nRF401构建数据采集电路和无线USB接口。该设计成功取代有线数据采集系统复杂的连线,并且提高了数据采集的抗干扰性、灵活性。文中对无线A/D转换电路、无线USB接口的设计、89C51内部固件程序及USB应用程序编写进行了阐述。
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Size: 164071 |
Author: 梅武军 |
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Description: 单片机89c51对usb操作的全过程,初始化，读写-SCM 89c51 right usb operate the entire process, initialization, reading and writing
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Size: 8782 |
Author: 丁男 |
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Description: 单片机89c51对usb操作的全过程,初始化，读写-SCM 89c51 right usb operate the entire process, initialization, reading and writing
Platform: |
Size: 8192 |
Author: 丁男 |
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Description: 1IC网友 做的硬盘MP3资料公开
该播放器使用了美国atmel公司出品的mp3播放器专用芯片at89c51snd1c.
本芯片特性如下：
1)MCS51内核，可以利用单片及开发软件Keil软件方便开发mp3播放器，无需特殊软件平台；
2)MPEG I/II-Layer 3 hardware decoder
.独立MP3 Decoder
.支持48,44.1,32,24,22.05,16khz取样频率
.支持软件31阶音量控制,高中低音均衡控制
.重低音效果
3)集成DAC部件，支持PCM,IIS格式；
4)64K字节片上代码存储空间（100K次擦写寿命）
5)4K字节boot flash memory,USB/UART下载代码
6)集成USB1.1 device部件
7)MMC卡接口
8)IDE/ATAPI接口（HDD/CD-ROM Interface)
9)2通道ADC,8Khz取样-1IC Netizen done disclosing information on the hard drive MP3 player that uses a ATMEL producer of the m p3 players ASIC at89c51snd1c. the chip features are as follows : 1) MCS51 kernel, and can use a single software Keil software development and facilitate the development of MP3 players, without special software platform; 2), MPEG I/II-Layer 3 hardware decoder. De independent MP3 coder. 48,44.1,32,24,22.05 support, ASF sampling frequency. support software volume control 31 bands, high school bass equalization control. bass results 3) DAC integrated components, support PCM, IIS format; 4) 64K-byte on-chip code storage space (100K erase life time) 5) 4K bytes boot Flash h memory, USB/UART download code 6) integrated USB 1.1 device components 7) MMC card interface 8) IDE/ATAPI interfac
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Size: 1008640 |
Author: 史比 |
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Description: 用89c51单片机与USBD12结合的电路图和源程序-with 89c51 SCM and USBD12 combination of circuit and the source
Platform: |
Size: 286720 |
Author: Guozhitao |
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Description: 用89c51单片机与USBD12结合的电路图和源程序.. -with 89c51 SCM and USBD12 combination of circuit and the source ..
Platform: |
Size: 8192 |
Author: LEO |
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Description: ch372 89c51的USB通信程序，开发环境KEI51。可直接烧写89C51。-ch372 89c51 USB communication procedures, KEI51 development environment. Direct burning 89 C51.
Platform: |
Size: 21504 |
Author: 高月山 |
Hits:
Description: 通用串行总线USB(Universal Serial Bus)是一种新型的微机总线接口规范。随着客户对系统数据采集速度要求的不断提高，USB以其使用方便、易于扩展、速度快等优点而越来越多的应用于数据采集系统中。本文介绍了一种基于USB总线的数据采集系统的设计方法，采用PHILIPS公司的USB接口芯片PDIUSBD12与单片机AT89C51进行通信，并和PC机通信而编制出友善的设备应用程序。该系统用传统的USB总线取代了RS232串行总线，通过对USB协议和设备构架的充分理解，对以单片机89C51和USB接口芯片PDIUSBD12为主的数据采集系统进行了硬件设计和软件编程，并在此设计的基础上给出相应的原理图。硬件设计主要解决的是PDIUSBD12和ADC0809与单片机之-USB (Universal Serial Bus) is a new type of micro- Machine Bus Interface Specification. With customers on the system data acquisition speed continues to improve, with USB convenient, easy to expand, the advantages of faster and more and more used in data acquisition systems. This paper presents a USB-based data acquisition system design methods, PHILIPS companies using the USB interface chip with PDIUSBD12 Progressive AT89C51 OK communication, and communication and PC-friendly and produce equipment applications. The system using traditional USB replace the RS232 serial bus, Through the USB framework agreement and equipment with the full understanding, right to 89 C51 microcontroller and USB interface chip PDIUSBD12-based data acquisition system for the hardware pieces of software design a
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Size: 3072 |
Author: wq57 |
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Description:
Platform: |
Size: 71680 |
Author: 付 |
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Description: 本次设计的RS232 to USB 转换器采用HT82M99E 和MAX232 芯片，其中HT82M99E 为主控芯片，MAX232
为RS232 level shift。本次设计的RS232 to USB 转换器使用操作系统提供的USB HID 设备类驱动程序。-The design of the RS232 to USB converter using HT82M99E and MAX232 chip, which HT82M99E for the master chip, MAX232 for RS232 level shift. The design of the RS232 to USB converter to use the operating system to provide the USB HID device class driver.
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Size: 41984 |
Author: steven |
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Description: 单片机读写U盘的单片机程序，以89C51单片机为例进行说明，语言为C51-U disk read and write single-chip microcontroller procedures to 89C51 single-chip as an example shows that the language for the C51
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Size: 20480 |
Author: Peter |
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Description: 结合无线通信技术和USB技术的优点,提出一种基于无线USB技术的数据采集系统。该系统运用高速转换器AD7874、USB接口芯片PDIUSBD12、89C51微处理器和射频收发器nRF401构建数据采集电路和无线USB接口。该设计成功取代有线数据采集系统复杂的连线,并且提高了数据采集的抗干扰性、灵活性。文中对无线A/D转换电路、无线USB接口的设计、89C51内部固件程序及USB应用程序编写进行了阐述。-Combination of wireless communications technology and the advantages of USB technology, a technology based on wireless USB data acquisition system. The system is the use of high-speed converter AD7874, USB interface chip PDIUSBD12, 89C51 microprocessor and RF transceiver nRF401 to build data acquisition circuit and wireless USB interface. The success of the design to replace the wired data acquisition system of complex connections, and improve the data acquisition antijamming, flexibility. Text of wireless A/D conversion circuit, a wireless USB interface design, 89C51 internal USB firmware application procedures and the preparation are described.
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Size: 163840 |
Author: |
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Description: USB基于89C51接口例程，可适用于51兼容系列机型-USB interface routines based on the 89C51, applicable to Series 51 compatible models
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Size: 102400 |
Author: duke |
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Description: 一个基于单片机89C51的USB数据采集系统的设计开发-A USB data acquisition system based on 89C51 microcontroller design and development
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Size: 44032 |
Author: jason |
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Description: 基于USB总线和89C51单片机的数据采集系统设计-USB bus and 89C51 microcontroller based data acquisition system design
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Size: 105472 |
Author: 汪超 |
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Description: 这个是用89C51系列芯片来模拟USB键盘的源代码-This is 89C51 chips to emulate USB keyboard source code
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Size: 334848 |
Author: kevin |
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Description: 一种在89C51使用的usb转ttl的程序-usb ttl chengxu，very good
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Size: 509952 |
Author: chen |
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