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Description: 一个是串口扩展的芯片的资料，支持1到4扩展；另一个是USB到RS232转换的芯片的资料。-One is the expansion of the chip serial data to support the expansion of 1-4 the other is the USB to RS232 converter chip information.
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Size: 755712 |
Author: 学青 |
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Description: 串口一转四的模块，包括了原理图和PCB版图。另外还有主要芯片VK3214的资料和通信协议的介绍-Serial 1 turn four modules, including schematic and PCB layout. There is also the main chip VK3214 information and communication protocols introduced
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Size: 544768 |
Author: 沈路平 |
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Description: windows ce 平台上扩展串口驱动，使用芯片vk3214，同vk3222程序可相互移植。串口扩串口可用于低速领域，高速就需要用spi2serial或i2cToserial-windows ce platform expansion serial driver, use the chips vk3214, with vk3222 procedures and Transplantation. Expansion of low-speed serial port can be used in areas of high need or i2cToserial with spi2serial
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Size: 131072 |
Author: 胡冰 |
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Description: vk3214接口原理图,包括：RS232接口及与单片机接口-vk3214 interface circuit
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Size: 82944 |
Author: 范舟 |
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Description: 一转四芯片vk3214及射频模块RFID vm-5应用程序，亲测可用，环境Linux，平台pxa270-Turn vk3214 four-chip and RF module of RFID vm-5 application, pro-test is available, the environment, the Linux platform pxa270
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Size: 13312 |
Author: 那么骄傲 |
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Description: OK6410串口扩展驱动，使用芯片：VK3214-driver of serial port expansion for OK6410 , use the chip: VK3214
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Size: 12288 |
Author: 刘丰 |
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Description: 基于Atmega128微处理器，VK3214串口扩展芯片，RS232方式实现一转四串口扩展-Four serial port expansion to achieve a turn-based Atmega128 microprocessor, VK3214 serial port expansion chip, RS232 mode
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Size: 3072 |
Author: 郎洪 |
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