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顶部端口（USB）接口，这个接口的调试是PL的使用
TOP PORT (USB) 调试接口说明
本接口是利用PL-2303HX的USB转RS232的接口芯片设计实现了一个TTL(5V)的RS232串口，并且利用了PL-2303HX的2个GPIO口软件模拟了一个低速的I2C总线.该接口由USB接口提供5V电压，可自带2Kbit(24C02)数据备份EEPROM (单独读写通道,不占用I2C总线地址)。并可对外提供小于250mA的5V电压。尤其适合WIN-XP以后的没有并口和串口笔记本电脑。整机成本不到￥20RMB。
-TOP PORT (USB) interface debugging of this interface is the use of PL-2303HX the USB to RS232 interface chip design to achieve a TTL (5V) of the RS232 serial port, and use of PL-2303HX the two GPIO port software simulation of a low-speed I2C bus. The interface from the USB interface to provide 5V voltage, can bring their own 2Kbit (24C02) data backup EEPROM (separate read and write access, do not occupy I2C bus address). And may provide less than 250mA of 5V voltage. WIN-XP is particularly suitable for subsequent parallel and serial no notebooks. Machine costs less than ￥ 20RMB.
- 2022-11-23 00:10:04下载
- 积分：1
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通讯串口编程的一个实例，应用于变电站自动化系统的前置通讯模块...
通讯串口编程的一个实例，应用于变电站自动化系统的前置通讯模块-serial communications programming an example for substation automation system for the front communication module
- 2023-05-25 14:00:03下载
- 积分：1
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实现来电显示功能的程序
实现来电显示功能的程序-achieve functional procedures
- 2022-08-23 19:41:01下载
- 积分：1
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迷你聊天程序对插座（Borland C++ Builder）
资源描述程序的消息传递网络。它结合了服务器和客户端。图形界面。在环境Borland C++ Builder创建。
- 2022-05-06 08:34:39下载
- 积分：1
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This example shows how to configure the Crossbar.
This example shows how to configure the Crossbar.-This example shows how to configure the Cro ssbar.
- 2022-06-20 07:22:16下载
- 积分：1
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under windows called ordinary USB camera program source code to prepare based on...
windows下调用普通USB摄像头的程序源码
基于DirectShow编写-under windows called ordinary USB camera program source code to prepare based on DirectShow
- 2022-12-25 09:45:03下载
- 积分：1
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详细讲解了AWGN信道下16QAM编解码的设计及误码率性能分析
详细讲解了AWGN信道下16QAM编解码的设计及误码率性能分析-gave a detailed account of the AWGN channel codecs 16QAM the design and analysis of BER performance
- 2022-03-04 21:41:08下载
- 积分：1
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华为ＧＳＭ模块的测试程序，其中包括拨打电话，接听电话以及来电显示等功能，适合学习ＧＰＲＳ入门...
华为ＧＳＭ模块的测试程序，其中包括拨打电话，接听电话以及来电显示等功能，适合学习ＧＰＲＳ入门-Huawei GSM module test procedures, including call, receive calls, as well as features such as caller ID for learning GPRS portal
- 2022-02-20 20:56:14下载
- 积分：1
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“机械制造技术”的所有源代码，和想帮助…
《机械制造技术》所有源代码，希望对有需要的朋友有帮助！-" Mechanical Manufacturing Technology" all source code, and want to help a friend in need!
- 2022-07-27 23:53:57下载
- 积分：1
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/*CHECKED
* Function: time.c Project: DNP
*
*
*
* DESCRIPTION:...
/*CHECKED
* Function: time.c Project: DNP
*
*
*
* DESCRIPTION:
*
* This file contains functions for converting between
* DNP time format and RTU time format (rtc counter type).
*
* DNP format is to express the time in the number of milliseconds
* since the start of 1970.
*
*
* REVISION HISTORY:
*
* Num Modified by Date Reason
* --- ----------------------- --------- -------------------------------
*
*
*/
-/*CHECKED
* Function: time.c Project: DNP
*
*
*
* DESCRIPTION:
*
* This file contains functions for converting between
* DNP time format and RTU time format (rtc counter type).
*
* DNP format is to express the time in the number of milliseconds
* since the start of 1970.
*
*
* REVISION HISTORY:
*
* Num Modified by Date Reason
* --- ----------------------- --------- -------------------------------
*
*
*/
- 2022-08-22 18:10:11下载
- 积分：1
