CH340G,CH340C,CH340E,CH340T,CH341T等芯片后缀的意思详解

CH340G
USB转串口,推出时间最早,应用最广
SOP16
CH340C
USB转串口,内置晶振,引脚兼容CH340G
SOP16
CH340E
USB转串口,内置晶振,超小封装
MSOP10
CH340B
USB转串口,内置晶振和EEPROM,引脚兼容CH340G
SOP16
CH340T
USB转串口
SSOP20
CH341T
USB转串口、IIC
SSOP20
CH341H
USB转SPI
SSOP20
CH341A
USB转串口、并口、IIC和SPI
SOP28
CH340/CH341系列产品作为USB转串口时使用同一个驱动程序:CH341SER.EXE
CH340G/CH340C/CH340B参考如下电路(见资料中CH340G9T.SCH):

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