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这是关于USB至COM接口的资料,具有一定的价值。-This packet describe the interface about usb to com. It is valuble to you.
Update : 2008-10-13 Size : 762.45kb Publisher : 宋柏君

Keil MDK 工程版本,通过 STM32 的 USB 端口在 PC 上虚拟一个 COM 口,当虚拟成功后,可通过串口调试软件发送控制命令,同时输出调试信息.内附源程序.
Update : 2011-06-27 Size : 909.25kb Publisher : xyz543

This driver implements a COM port interface for USB Point-of-Sale devices
Update : 2025-02-17 Size : 63kb Publisher : 温多明

DL : 0
获取当前机器的COM口的数量,包括usb转换的串口-access to the current machinery of the number of COM ports, including USB Serial Conversion
Update : 2025-02-17 Size : 33kb Publisher : 符史雄


Update : 2025-02-17 Size : 762kb Publisher : 宋柏君

delphi 的 usb 接口程序。(lwf8888@163.com)-the USB interface. (Lwf8888@163.com)
Update : 2025-02-17 Size : 4kb Publisher :

usb-com for sms 自己开发的类 可以借鉴下-usb-com frantically for their development under the category of reference
Update : 2025-02-17 Size : 151kb Publisher : roib

DL : 0
USB和串口(rs232)的转换及其驱动-USB and serial port (RS232) and the conversion drive
Update : 2025-02-17 Size : 799kb Publisher : 独孤一笑

IrDA usb MI620 driver-IrDA usb driver MI620
Update : 2025-02-17 Size : 9kb Publisher : Cherry

DL : 0
常见的接口:1、并行接口(每一次传送一个字或字节的全部代码)INTEL 8255,MC6820,Z80_PIO,传送的距离比较近。 2、串行接口:数据和控制信息是一位一位串行地传送下去,距离比较远,通常COM1使用是9针D形连接器,COM2使用是老式的DB25针连接器, 3、磁盘接口 (1)IDE接口,集成驱动器电子部件,不支持DMA数据传送,只使用标准的PCI/O端口指令来传送所有的命令,状态等 (2)EIDE接口, 4、SCSI接口。具有多任务接口,具有总线仲裁功能。按同步或异步方式传输数据,可分单端和差分传送方式,是智能化设备。 5、USB接口。 -common interface : 1. Parallel Interface (each carrier or a byte characters of all code) INTEL 8255, MC6820, Z80_PIO, transmission distance closer. 2, Serial Interface : data and control information is a one on serial transmission distance is far, usually COM1 use of 9-pin D-connector, COM2 use of old needles DB25 connector, 3, Disk Interface (1) IDE interface, integrated actuator electronic components, not to support DMA data transfer, to use only standard PCI/O ports directive to transmit all the orders, status, etc. (2) EIDE interfaces, 4, SCSI interface. Multi-task interface with bus arbitration function. By synchronous or asynchronous transmission of data can be divided into single-ended and differential transmission, intelligent equipment. 5, USB interface.
Update : 2025-02-17 Size : 27kb Publisher : 王军

将USB转换成串口232的资料,内带2个驱动-USB serial 232 into the information within two belt-driven
Update : 2025-02-17 Size : 763kb Publisher : yy

由串口资源实现USB驱动的解决方案,包含原码和开发文档及流程图。每个函数都经过验证-resources from the USB serial-driven solutions include the original code and the development of flow charts and documentation. Each function tested
Update : 2025-02-17 Size : 25kb Publisher : nj_zbl

USB转串口驱动!! 很好用的! -usb to sier!
Update : 2025-02-17 Size : 1.55mb Publisher : 龙建一

Please run InstallDriver.exe first, then plug in USB. InstallDriver.exe will install these drivers for Windows 98SE/ME/2000/XP/Vista: Windows 98/ME/2000/XP/Vista: MTK62XX USB Com Port Driver Windows 98: Mass Storage Driver
Update : 2025-02-17 Size : 124kb Publisher : karr

USB-COM驱动-USB-COM driver. . . . . . . . . . . . . .
Update : 2025-02-17 Size : 3.11mb Publisher : 王子

Can USB transfer to COM Port。
Update : 2025-02-17 Size : 96kb Publisher : yang

这是一个USB转COM(串口)的驱动程序,经本人使用效果很好现在上传与大家分享。-This is a USB turn COM (serial) driver, by using the effect is very good now, upload to share with everyone.
Update : 2025-02-17 Size : 2.53mb Publisher : 韦正丛

usb转串口,找了很久才找到,现在别的地方很难下到,要不用不了,我这个可以用 HL340D 的-usb to serial port, looking for a long time to find, now down to somewhere else is difficult, or impossible, I can HL340D of this
Update : 2025-02-17 Size : 63kb Publisher : 小米

Parent class for USB/COM ports interface
Update : 2025-02-17 Size : 2kb Publisher : ppetr

stm32 USB虚拟串口代码 实现串口和usb的转换(stm32 usb com convert)
Update : 2025-02-17 Size : 393kb Publisher : liujingsen
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