【应用】沁恒USB转串口芯片CH340N用于消费类电子产品，采用SOP-8封装，无需外部晶振

高速 USB 转串口芯片 CH9111 手册

描述- CH9111是一款高速USB 2.0总线转接芯片，支持USB转单个异步串口或异步串口+SPI同步串行接口功能。芯片特点包括480Mbps高速USB接口、内置固件仿真标准串口、支持多种波特率和数据位配置、内置独立收发缓冲区、支持多种MODEM联络信号和GPIO输入输出功能。芯片可配置VID、PID等参数，支持5V或3.3V供电，提供LQFP48封装。

型号- CH9111L,CH9111

CH芯片的引脚图器件库和封装图

型号- CH366Q,CH378Q,CH451L,CH463Q,CH451S,CH32F205RBT6,CH452A,CH331A,CH246D,CH331G,CH343G,CH32F203C8T6,CH355L,CH573F,CH367L,CH440G,CH365P,CH450K,CH353L,CH462Q,CH571K,CH583M,CH32V208WBU6,CH341T,CH32V208RBT6,CH9350L,CH32V003J4M6,CH462X,CH32V305RBT6,CH342F,CH342K,CH221K,CH378L,CH9374B,CH340K,CH352L,CH376T,CH376S,CH340N,CH364P,CH582M,CH9102X-1,CH340T,CH9141K,CH340X,CH32V208GBU6,CH341B,CH341A,CH341F,CH571F,CH32V203C8T6,CH341C,CH450H,CH484M,CH351Q,CH,CH32V203G6U6,CH340E,CH582F,CH32F203C8U6,CH340C,CH32V203C8U6,CH340B,CH243K,CH340G,CH390H,CH334R,CH32V303VCT6,CH334Q,CH334P,CH552T,CH390L,CH334U,CH552P,CH334S,CH32V003A4M6,CH456G,CH335F,CH456K,CH32F203C6T6,CH359L,CH444G,CH456H,CH311L,CH541G,CH9328,CH563Q,CH9329,CH345T,CH454S,CH9326,CH343G(编带),CH334F,CH32F208RBT6,CH358L,CH334H,CH455H,CH455G,CH334G,CH32F203VCT6,CH32F208WBU6,CH552E,CH443K,CH552G,CH455K,CH540G,CH344Q,CH182H,CH182F,CH235S,CH236D,CH32V203C6T6,CH563L,CH442E,CH32V307VCT6,CH224K,CH551G,CH343P,CH181H,CH561Q,CH376T(编带装),CH452L,CH440R,CH9340K,CH9340C,CH247D,CH32F207VCT6,CH344L,CH368L,CH423S,CH32V303RCT6,CH382L,CH217X,CH32V103R8T6,CH370T,CH448F,CH32F203K8T6,CH412A,CH32V203F8U6,CH315G,CH412K,CH9143,CH557Q,CH32V203G8R6,CH9140,CH9142,CH9141,CH545L,CH543T,CH446Q,CH446X,CH9126,CH555Q,CH32F103R8T6,CH32F203RCT6,CH217K,CH568L,CH554T,CH457S,CH32V003F4P6,CH445P,CH9101Y,CH554P,CH32V303RBT6,CH9101N,CH9101R,CH9101U,CH9343G,CH579F,CH543D,CH9101H,CH32V307RCT6,CH32V203K8T6,CH334H(编带),CH9343L,CH555L,CH543K,CH9121,CH422G,CH543G,CH9120,CH32V203G8P6,CH410K,CH567L,CH32V307WCU6,CH579M,CH432Q,CH347T,CH9102X,CH444P,CH541T,CH9103,CH432T,CH541P,CH565W,CH421A,CH554E,CH9344L,CH578M,CH348L,CH554G,CH348Q,CH392F,CH227P,CH32V203F6P6,CH542G,CH9102F,CH32V203RBT6,CH483M,CH241K,CH32F203CBT6,CH32V103C8T6,CH374U,CH374T,CH374S,CH483X,CH549L,CH375C,CH549F,CH375B,CH549G,CH581F,CH9434A,CH32F103C8T6,CH559T,CH32V103C8U6,CH32V003F4U6,CH482X,CH397Y,CH548G,CH374F,CH592F,CH132F,CH548L,CH548N,CH132H,CH374G,CH32V208CBU6,CH384L,CH558T,CH32V303CBT6,CH32V305FBP6,CH547G,CH32V203K6T6,CH397A,CH547F,CH482D,CH397G,CH591D,CH397F,CH457VS,CH591F,CH438L,CH317L,CH559L,CH547L,CH438Q,CH569W,CH395L,CH424Q,CH395Q,CH412Z,CH449F,CH546G,CH372C,CH372B,CH558L,CH546L,CH481D

沁恒（WCH）USB转串口芯片选型表&Pin To Pin对照表

目录- USB转单/多串口芯片    PinToPin替换型号总表    芯片参数表   

型号- PL2303系列,FT232R,PL2303GL,CH9103M,CH343G,CH9143,FT230XQ,CH9102,CH9101,CP210X系列,CY7C65213,CH343K,FT230XS,CH347,CY7C65213系列,FT232RQ,CP2105,CP2104,CH9326,CP2109,CH341T,CP2102N-GQFN24,CP2102N-GQFN28,CH9104L,CH9342G,PL2303GC,CH9101系列,XR21B1422,CH342F,CH342K,CP2102,CH342,CP2101,CH344Q,CH340K,CH9101Y,PL2303HXD,CP210X,CH340N,CH9101N,CH340T,PL2303,CY7C65213(A),CH9101R,XR21V1414,CH9101U,CH9101H,CH341B,CH341A,CH341F,FT230X,FT232RL,CH343P,CH347T,CH9102X,CH9103,CH9340K,CH9340C,CH9344L,CH9102系列,CH340E,CH348L,CH340C,CH340B,CH348Q,CH344L,CH340G,CH9102F

沁恒（WCH）通讯接口芯片和全栈MCU选型指南

描述- 南京沁恒微电子股份有限公司专注于连接技术和微处理器内核研究,是一家基于自研专业接口IP、微处理器内核IP构建芯片的集成电路设计企业。公司致力于为客户提供万物互联、上下互通的芯片及解决方案，主要产品包括USB/蓝牙/以太网接口芯片和连接型/互联型/无线型MCU，产品侧重于连接联网和控制。

型号- CH24X,CH233P,CH36X,CH32X035F8U6,CH32X035G8R6,CH32V103C6T6,CH32F205RBT6,CH370,CH372,CH251,CH343G,CH374,CH132,CH253,CH252,CH376,CH343K,CH375,CH254,CH32V006F8P6,CH378,CH377,CH440G,CH32X035,CH25X,CH32V208WBU6,CH583M,CH341T,CH32V003J4M6,CH32F103C6T6,CH233A,CH342F,CH382,CH32V006E8R6,CH384,CH342K,CH233K,CH37X,CH9374B,CH237,CH236,CH58X,CH32F103C8U6,CH340K,CH231K,CH22X,CH238,CH34X,CH340N,CH582M,CH340T,NET-SER-DT TTL,CH341B,CH341A,CH592,CH341F,CH591,CH231,CH486F,CH230,CH233,CH235,CH35X,CH32X035F7P6,CH368,CH484M,CH230K,CH23X,CH231A,CH32V203G6U6,CH340E,CH582F,CH482,CH481,CH340C,CH484,CH340B,CH483,CH365,CH486,CH364,CH340G,CH246,CH367,CH59X,CH4XX,CH366,CH578,CH334R,CH457,CH577,CH32V303VCT6,CH335,CH334Q,CH456,CH334P,CH338,CH579,CH32V,CH56X,CH334U,CH339,CH32X,CH564Q,CH334S,CH32V003A4M6,CH32X033F8P6,CH32F,CH335F,CH347F,CH32M,CH335J,CH32L,CH565M,CH451,CH571,CH450,CH444G,CH238P,CH453,CH573,CH452,CH334,CH455,CH454,CH347,CH226,CH57X,CH225,CH348,CH32X035G8U6,CH237D,CH9342G,CH334F,CH581,CH583,CH564L,CH334H,CH341,CH220,CH462,CH582,CH32F208WBU6,CH340,CH32X035R8T6,CH564F,CH343,CH342,CH221,CH463,CH334L,CH345,CH224,CH443K,CH344,CH223,CH344Q,CH555,CH557,CH315,CH318,CH54X,CH559,CH317,CH438,NET-485-9120,CH235S,CH32V002系列,CH32M007,CH236D,CH442E,CH552,CH551,CH554,CH432,CH567,CH343P,CH446,CH445,CH569,CH55X,CH448,CH568,CH440R,CH31X,CH449,CH440P,CH9340K,CH9340C,CH32F207VCT6,CH561,CH440,CH563,CH442,CH344L,CH565,CH323,CH444,CH564,CH443,CH412,CH64X,CH338X,CH52X,CH32V103R8T6,CH448F,CH32V203F8U6,CH9103M,CH32V203G8R6,CH532,CH531,CH545,CH423,CH547,CH546,CH446Q,CH53X,CH549,CH446X,CH548,CH32F103R8T6,BLE-DONGLE,CH338F,CH9104L,CH338L,CH541,CH543,CH422,CH32V003F4P6,CH9101Y,CH445P,CH9101N,CH9101R,CH9101U,CH9101H,CH32V307RCT6,CH347T,CH643,CH522,CH9102X,CH525,CH444P,CH645,CH524,CH527,CH528,CH565W,CH9344L,CH348L,BLE-SER-A-ANT,CH348Q,CH32V203F6P6,CH521,CH641,CH9102F,CH645W,CH32F203CBT6,CH32V006K8U6,CH32F207,CH32F205,CH32F203,CH32V003F4U6,CH32F208,CH645F,BLE2U-C-ANT,CH643U,CH643W,CH643Q,CH449X,CH32V303CBT6,CH32L103F8U6,CH32V305FBP6,CH569W,CH32F103,CH449F,CH32L103G8R6,CH643L,CH32X035系列,CH32F203C8T6,CH32V208RBT6,CH32V203系列,CH32V305RBT6,CH32V007系列,NET-232-9120,CH32V208GBU6,CH32L103F8P6,CH32V203C8T6,CH32V307,CH32V305,CH32F203C8U6,CH32V203C8U6,CH32V303,CH9160-DG-R0,BLE-TPT-A-ANT,CH32F203C6T6,BLE2U-A-ANT,CH9343,NET-TTL-9120,CH9328,CH9329,CH9326,CH9445,CH32L103C8T6,CH32F208RBT6,CH32F203VCT6,CH32V005F6U6,CH182H,CH182F,CH32V305GBU6,CH9434,CH32V203C6T6,CH32V307VCT6,CH181H,CH32L103系列,CH32V203F8P6,BLE-TPT-B-ANT,CH32V005D6U6,CH912X,CH32V303RCT6,CH32V005E6R6,CH32V003系列,CH32F203K8T6,NET-SER-DT RS232,CH9143,CH93XX,CH9140,CH9142,CH9141,CH9126,CH32V005F6P6,CH32F203RCT6,NET-SER-DT RS485,CH32L103,CH32V006,CH32V007,CH32V005,CH32V002,CH32V003,CH32X035C8T6,CH32V303RBT6,CH32V203K8T6,CH9121,CH9120,CH32V307WCU6,CH32V303系列,CH32F203RBT6,CH32V203RBT6,CH9350,CH483M,CH32V103C8T6,CH32V005系列,CH592X,CH483X,CH32M系列,CH230A,CH32V317,CH581F,CH32F103C8T6,CH32V103C8U6,CH482X,CH32L103K8U6,CH591R,CH32V208,CH182,CH592F,CH32V103系列,CH32V203,CH592D,CH32V208CBU6,CH914X,CH390,CH32V203K6T6,CH392,CH271,CH591D,CH482D,CH591F,CH275,CH395,CH397,CH38X,BLE232-NEP,CH32V006F8U6,CH32V103,CH39X,CH481D

USB 转串口芯片 CH340 手册

描述- 本文档介绍了CH340 USB转串口芯片的技术规格和应用指南。CH340是一款全速USB设备接口芯片，可实现USB转串口或USB转打印口功能。它支持标准的串口信号，兼容Windows操作系统下的串口应用程序，并提供多种封装形式以满足不同设计需求。

型号- CH340K,CH340N,CH340E,CH340T,CH340C,CH340,CH340B,CH340R,CH340X,CH340G

CH340 USB转串口芯片数据手册

描述- 本资料介绍了CH340 USB转串口芯片的功能、特性、封装形式和应用说明。CH340是一款全速USB设备接口芯片，可实现USB转串口或USB转打印口功能。它支持多种通信协议和波特率，并提供丰富的引脚功能和配置选项。

型号- CH340K,CH340N,CH340E,CH340C,CH340,CH340B,CH340R

CH34x USB转串口MacOS驱动安装说明

描述- 本指南介绍了WCH USB-to-SERIAL设备macOS驱动程序的安装步骤。支持OS X 10.9至OS X 10.15及更高版本，包括多种芯片型号。安装过程包括下载、解压、安装和重启计算机。对于OS X 11.0及以上版本，需额外在LaunchPad中安装。安装后，可通过系统报告和终端程序检查设备状态。卸载驱动程序时，根据操作系统版本，使用终端命令或删除应用程序。

型号- CH34X,CH9103,CH9143,CH341,CH9102,CH340,CH9101,CH343,CH342,CH344

USB 转串口芯片CH9102A手册

描述- CH9102A是一款USB转异步串口芯片，具有全速USB接口，兼容USB V2.0，内置固件仿真标准串口，支持多种波特率和校验方式，并提供常用的MODEM联络信号。该芯片适用于计算机扩展异步串口或升级串口设备至USB总线。

型号- CH9102A

沁恒（WCH）USB转串口芯片选型表

目录- USB转串口芯片   

型号- CH344Q,CH340K,CH340N,CH340T,CH9101U,CH9101H,CH341B,CH341A,CH9103M,CH341F,CH343G,CH9143,CH343K,CH343P,CH347,CH9102X,CH9326,CH9340K,CH341T,CH9340C,CH9342G,CH9344L,CH340E,CH342F,CH348L,CH340C,CH340B,CH342K,CH348Q,CH344L,CH340G,CH9102F

CH9101与PL2303系列芯片参数表

描述- 本资料对比了四种不同型号的USB转串口芯片，包括PL2303GC、PL2303HXD、CH9101U和PL2303GL/CH9101N。主要内容包括封装类型、USB接口类型、驱动类型、峰值最高波特率、IO电压、USB远程唤醒功能、TX/RX LED、GPIO数量、唯一USB Serial Number、配置功能、MODEM引脚、自动485控制、时钟和工作温度等参数。资料还简要介绍了驱动类型、峰值最高波特率和USB远程唤醒功能的相关信息。

型号- CH347,PL2303GC,PL2303HXD,PL2303GL,CH9101,CH9101U