PL-2303HX USB to Serial Bridge Datasheet for Design Reference

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"PL2303HX文档是一份关于DB9接口的芯片数据手册，由Prolific Technology Inc.发布。该文档详细介绍了PL-2303HX Edition Chip Rev D型号的USB到串口桥接控制器，它在设计电路原理图时具有重要的参考价值。文档版本为1.1，发布日期为2007年4月16日，包含了产品概述、功能描述、电气规格、引脚分配图、编程接口和详细的工作原理等内容。文档强调了免责声明，即所有信息可能随时变更，Prolific Technology Inc.不对文档的准确性或完整性做出保证，并且不承担因使用本资料导致的经济损失或其他商业损害的责任。此外，文档还提到了版权信息，指出Prolific Technology Inc.对其商标享有注册权，同时提及了文档中涉及的其他品牌和产品名称均为各自权利人的商标或注册商标。在技术细节部分，PL-2303HX（RevD）芯片作为一个串口转USB控制器，支持全速USB通信（1.1或2.0版本），能实现计算机与多种串行设备之间的数据传输，包括但不限于打印机、modem、旧式串口鼠标和键盘等。该芯片通过串口控制线（DB9）连接，包括RX（接收）、TX（发送）、RTS（请求发送）、CTS（clear to send）、DTR（数据终端就绪）、DSR（数据设定）、GND（接地）等引脚，满足标准RS-232串口协议要求。在编程接口方面，文档提供了驱动程序和API的详细说明，帮助开发人员在不同平台上轻松配置和使用PL-2303HX。用户可以根据需要下载并参考这份文档来确保他们的硬件设计符合规范，优化系统性能，并避免常见的问题。总结来说，PL2303HX文档对于电子工程师、硬件开发者和系统集成者来说，是一份宝贵的参考资料，帮助他们理解和利用这款串口转USB转换器，进行高效和精确的设计工作。"

Revised Date:

April 16, 2007

ds_pl2303HXD_v1.1.doc

PL-2303HX (Rev D) Product Datasheet - 5 - Document Version 1.1

11.0 REEL PACKING INFORMATION..................................................................... 25

11.1 Carrier Tape (SSOP-28) ...................................................................................... 25

11.2 Reel Dimension................................................................................................... 26

12.0 ORDERING INFORMATION........................................................................... 26

Revised Date:

April 16, 2007

ds_pl2303HXD_v1.1.doc

PL-2303HX (Rev D) Product Datasheet - 6 - Document Version 1.1

List of Figures

Figure 2-1 Block Diagram of PL-2303HX (Rev D).................................................................... 9

Figure 4-1 Pin Assignment Outline of PL-2303HX (Rev D) SSOP28......................................11

Figure 4-2 Pin Assignment Outline of PL-2303HX (Rev D) QFN32 ....................................... 12

Figure 10-1 Power-On Reset Diagram................................................................................... 22

Figure 10-1 Outline Diagram of PL-2303HX (Rev D) SSOP28 .............................................. 23

Figure 10-2 Outline Diagram of PL-2303HX (Rev D) QFN32................................................. 24

Figure 11-1a SSOP28 Carrier Tape........................................................................................ 25

Figure 11-1b IC Reel Placements........................................................................................... 25

Figure 11-2 Reel Dimension................................................................................................... 26

List of Tables

Table 5-1 Pin Assignment & Description (SSOP28) ............................................................... 13

Table 5-2 Pin Assignment & Description (QFN32).................................................................. 14

Table 6-1 Device Descriptor ................................................................................................... 15

Table 6-2 Configuration Descriptor......................................................................................... 15

Table 6-3 Interface Descriptor ................................................................................................ 16

Table 7-4 Endpoint1 Descriptor .............................................................................................. 16

Table 6-5 Endpoint2 Descriptor .............................................................................................. 16

Table 6-6 Endpoint3 Descriptor .............................................................................................. 17

Table 6-7a String Descriptor – Language ID........................................................................... 17

Table 6-7b String Descriptor – Manufacturer.......................................................................... 17

Table 6-7c String Descriptor – Product................................................................................... 18

Table 6-7d String Descriptor – Serial Number ........................................................................ 18

Table 8-1 Supported Data Formats ........................................................................................ 19

Table 8-2 Baud Rate Settings................................................................................................. 19

Table 9-1 Absolute Maximum Ratings .................................................................................... 20

Table 9-2a Operating Voltage and Suspend Current.............................................................. 20

Table 9-2b 3.3V I/O Pins......................................................................................................... 20

Table 9-2c VDD_325@3.3V Serial I/O Pins ........................................................................... 21

Table 9-2d VDD_325@2.5V Serial I/O Pins ........................................................................... 21

Table 9-2e VDD_325@1.8V Serial I/O Pins ........................................................................... 21

Table 9-3 Clock Characteristics.............................................................................................. 21

Table 9-4 Temperature Characteristics................................................................................... 22

Table 9-5 Leakage Current and Capacitance......................................................................... 22

Table 9-6 Power-On Reset ..................................................................................................... 22

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