【应用】沁恒SPI转四串口转接芯片CH9434A用于彩屏温控器，最高支持4Mbps波特率通讯

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

CH9434 四串口芯片

描述- CH9434是一款SPI转四串口转接芯片，具备四组全双工的9线异步串口，适用于单片机/嵌入式系统扩展异步串口。它支持高达4Mbps的波特率通信，具有独立的FIFO缓存和多种配置选项，包括GPIO功能和低功耗模式。

型号- CH9434M,CH9434,CH9434A

CH9434四串口芯片数据手册

描述- CH9434是一款SPI转四串口转接芯片，具备四组全双工的9线异步串口，适用于单片机和嵌入式系统扩展。它支持高达4Mbps的波特率通信，具有独立的FIFO缓存和GPIO功能，同时支持低功耗模式和多种应用场景。

型号- CH9434M,CH9434

沁恒与世强先进的代理协议

描述- 2024年6月，南京沁恒微电子有限公司与世强先进（深圳）科技股份有限公司签署了代理协议。

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

沁恒与世强先进的授权经销商证书

描述- 2024年6月，南京沁恒微电子股份有限公司与世强先进（深圳）科技股份有限公司签署了授权经销商证书。

沁恒（WCH）MCU产品选型表

目录- 32位MCU    8位MCU   

型号- CH32V303VCT6,CH552T,CH32F203CBT6,CH32V103C8T6,CH32V303RCT6,CH552P,CH32V103R8T6,CH32V103C6T6,CH577F,CH549L,CH32F205RBT6,CH549F,CH549G,CH32F203C6T6,CH581F,CH32F203C8T6,CH565M,CH557Q,CH573F,CH532,CH545L,CH531,CH32F103C8T6,CH563Q,CH32V103C8U6,CH559T,CH571K,CH32V208WBU6,CH583M,CH32V208RBT6,CH32F103R8T6,CH32F103C6T6,CH32F203RCT6,CH32V305RBT6,CH32F208RBT6,CH548G,CH32F203VCT6,CH32F208WBU6,CH552E,CH548L,CH568L,CH552G,CH548N,CH32V208CBU6,CH554T,CH32F103C8U6,CH558T,CH554P,CH32V303RBT6,CH582M,CH32V303CBT6,CH32V305FBP6,CH32V208GBU6,CH579F,CH547G,CH32V307RCT6,CH32V203K8T6,CH32V203K6T6,CH547F,CH571F,CH555L,CH32V203C8T6,CH32V203C6T6,CH563L,CH559L,CH32V307VCT6,CH547L,CH571D,CH32V307WCU6,CH567L,CH579M,CH551G,CH569W,CH522,CH561Q,CH525,CH527,CH573X,CH565W,CH578F,CH546G,CH554E,CH32V203G6U6,CH32F207VCT6,CH582F,CH578M,CH32F203C8U6,CH32V203C8U6,CH554G,CH32V203F6P6,CH558L,CH546L,CH521,CH32V203RBT6