1. CH341_USB_to_Serial.zip Driver
2. README.TXT File Contents

README.TXT Driver File Contents (CH341_USB_to_Serial.zip)

CH341µÄ´®¿Ú·½Ê½Ö§³ÖWINDOWS 98/ME/2000/XP/Vista/Linux£¬ÌṩÏà¹ØÇý¶¯³ÌÐò£¬
CH341µÄUSBת´®¿ÚÖ§³Ö´ó¶àÊý³£ÓõĴ®¿Ú¼à¿Ø¼°µ÷ÊÔ¹¤¾ß³ÌÐò¡£

Çý¶¯°²×°·½·¨£º
1. ±ê×¼INFÎļþ°²×°·½·¨
    WINDOWSÌáʾÕÒµ½ÐÂÓ²¼þ£¬Ö¸¶¨Çý¶¯³ÌÐòËùÔÚĿ¼DRIVER£¬×Ô¶¯°²×°Çý¶¯£¬
    Èç¹ûWINDOWSûÓÐÌáʾÕÒµ½ÐÂÓ²¼þ£¬ÄÇôÔÚÉ豸¹ÜÀíÆ÷µÄÓ²¼þÁбíÖУ¬
    Ñ¡Ôñ´øÎʺŵÄUSBÉ豸£¬¸üÐÂÇý¶¯³ÌÐò²¢Ö¸¶¨Ä¿Â¼¡£
2. ʹÓÃÇý¶¯³ÌÐò°²×°¹¤¾ß
    Ö±½ÓʹÓÃCH341SER.EXE°²×°°ü£¬¿ÉÒÔ°²×°/Éý¼¶/жÔØÇý¶¯³ÌÐò£¬
    ¸Ã·½·¨¸üÊÊÓÃÓÚ×îÖÕÓû§¡£

CH341´®¿ÚʹÓ÷½·¨£º
    CH341ʵÏÖUSBת´®¿Ú£¬ÔÚÂß¼­¹¦ÄÜ·½ÃæµÄʹÓ÷½·¨ÓëÆÕͨ¼ÆËã»ú´®¿ÚÏàͬ¡£
    ÓëÆÕͨ¼ÆËã»ú´®¿ÚµÄÇø±ð£º
      CH341ÌṩµÄÊÇ·ÂÕæ´®¿Ú£¬ËùÒÔ²»Ö§³Ö´®¿Ú±¾ÉíµÄ´¿Ó²¼þ²Ù×÷£¬ÀýÈçI/O²Ù×÷£¬
      ÆÕͨ¼ÆËã»ú´®¿ÚÊǾ²Ì¬É豸£¬¶øCH341´®¿ÚÊǶ¯Ì¬É豸£¬ÀíÂÛÉÏËæʱ»á¶Ï¿ª£¬
      CH341µÄ¸½¼Ó¹¦ÄÜ£¨ÏÂÃæÓнéÉÜ£©£º¶ÁÈ¡Íⲿ´®ÐÐEEPROM£¬Ö§³Ö¸ü¸ß²¨ÌØÂÊ¡£
    Ìṩ¡°Ä£¿éµ÷ÊÔ¡±¹¤¾ß£¬Æô¶¯ºó½«¡°ÀàÐÍ¡±Ñ¡ÔñΪ¡°ÊÖ¹¤ÊäÈë·¢ËÍ¡±£¬
      ´ò¿ª´®¿Úºó¾Í¿ÉÒÔÓÃÓÚCH341´®¿Ú»òÕßÆÕͨ´®¿ÚµÄÊäÈëÊä³ö¼à¿Ø¼°ÊÕ·¢µ÷ÊÔ¡£

×¢ÒâÊÂÏ
    CH341´®¿ÚÊǼ´²å¼´ÓõÄUSBÉ豸£¬ÕýÔÚʹÓÃCH341´®¿Ú½øÐÐÊý¾Ý´«ÊäµÄ¹ý³ÌÖУ¬
    ²»¿ÉÒÔ½«Æä¶Ï¿ª£¨¶Ï¿ªÊÇÖ¸´ÓUSB²å×ùÖÐÈ¡³öCH341»òÕ߹رÕCH341µÄµçÔ´£©£¬
    Ò²¾ÍÊÇ˵£¬±ØÐëÔÚÓ¦ÓóÌÐò¹Ø±Õ¸Ã´®¿Úºó£¬CH341´®¿Ú²Å¿ÉÒÔ´ÓUSB²å×ùÖаγö¡£

    Èç¹ûÔÚÓ¦ÓóÌÐòʹÓÃCH341´®¿ÚµÄ¹ý³ÌÖУ¬CH341´®¿ÚÉ豸´ÓUSB²å×ùÖжϿª£¬
    ÄÇôӦÓóÌÐòÓ¦¸Ã¾¡¿ì¹Ø±ÕCH341´®¿Ú²¢Í˳ö£¨¹Ø±Õ¼°Í˳ö¿ÉÄÜÐèÒªÊýÃëʱ¼ä£©¡£

    Èç¹ûÔÚCH341´®¿ÚͨѶ¹ý³ÌÖз¢Éú´íÎ󣬼«ÓпÉÄÜÊÇCH341´®¿ÚÒѾ­ÎïÀí¶Ï¿ª£¬
    ËùÒÔÔÚ¼ì²âµ½´íÎóºó½¨Òé¹Ø±ÕCH341´®¿Ú£¬ÉÔµÈÁ½ÃëºóÔÙÖØдò¿ª´®¿ÚͨѶ¡£

    ²ÉÓÃÉ豸ʼþ֪ͨµÄ·½·¨¿ÉÒÔ¼°Ê±Á˽âCH341´®¿ÚÉ豸µÄÁ¬½ÓÓë¶Ï¿ª£¬
    ´Ó¶øʹ´®¿ÚÓ¦ÓóÌÐòÄܹ»¼°Ê±´ò¿ªºÍ¹Ø±ÕCH341´®¿Ú¡£
    ´®¿Ú¶¯Ì¬Á´½Ó¿âCH341PT.DLLÌṩÁËAPI£¬¿ÉÒÔ¼àÊÓCH341´®¿Ú²å°Îʼþ£¬
    ¿ÉÒÔËÑË÷ºÍʶ±ðCH341´®¿ÚµÈ£¬¾ßÌåÐè²Î¿¼CH341PT.HÎļþ¡£

    Èç¹ûͨѶ²¨ÌØÂʽϸߣ¬½¨ÒéÉèÖýϴóµÄ»º³åÇø£¬ÓÈÆäÔÚWINDOWS 98/MEÏ£¬
    Ï̵߳÷¶ÈÄÜÁ¦ºÍUSBʵʱÐÔ¶¼±ÈWINDOWS 2000/XP²î£¬Èç¹û´®¿Ú½ÓÊÕ»º³åÇø½ÏС£¬
    ÄÇôÔÚͨѶ²¨ÌØÂʽϸßʱ£¬½ÓÊÕ´óÁ¿Êý¾Ý»áµ¼Ö´®¿Ú»º³åÇøÒç³ö¶ø¶ªÆúÊý¾Ý¡£

    ÓÉÓڵײãµÄUSBÊǽ«¶à¸ö×Ö½Ú×é³ÉÊý¾Ý°üºó°²²åµ½¸÷¸ö1mSÖ¡ÖнøÐд«Ê䣬
    ËùÒÔÓпÉÄܽ«´®¿ÚÊÕ·¢µÄ½ô¿¿×ŵÄÁ½¸ö×Ö½Úʵ¼Ê·Ö¸îÔÚÁ½¸öUSBÊý¾Ý°üÉõÖÁ
    Á½¸öUSBÖ¡ÖУ¬ÔÚ×Çé¿öÏÂÕâÁ½¸ö×Ö½ÚÔÚʱ¼äÉÏÓпÉÄÜÏà¸ô1mSÉõÖÁ2mS¡£

*******************************************************************************

Èç¹ûÐèÒªËÙÂÊ¿ØÖÆ£¨Á÷¿ØÖÆ£©£¬½¨Ò鲻ҪʹÓÃMODEMÐźſØÖÆ£¬ÒòΪÆäЧÂʽϵͣ¬
½¨ÒéÓÃCH341µÄTEN#ºÍRDY#ʵÏÖ´¿Ó²¼þµÄËÙÂÊ¿ØÖÆ£¬ÆäÖÐTEN#ΪÊäÈ룬RDY#ΪÊä³ö£¬
µ±TEN#ÊäÈëΪµÍµçƽʱÔÊÐíCH341´Ó´®¿Ú·¢ËÍÊý¾Ý£¬¸ßµçƽʱCH341½«ÔÝÍ£·¢ËÍÊý¾Ý£¬
µ±RDY#Êä³öΪµÍµçƽʱ˵Ã÷CH341¿ÉÒÔ½ÓÊÕ´®¿ÚÊý¾Ý£¬¸ßµçƽ˵Ã÷CH341Õýæ¶ø²»ÄܽÓÊÕ¡£

Èç¹û¼ÆËã»ú¼°µ¥Æ¬»ú²»Ã¦£¬»òÕß²¨ÌØÂÊÔÚ115200bpsÒÔÏÂʱ£¬Í¨³£²»ÐèÒªËÙÂÊ¿ØÖÆ£¬
Èç¹û²¨ÌØÂÊÔٸ߻òÕß¼ÆËã»ú¼°µ¥Æ¬»ú½Ï棬²ÅÐèÒª¿¼ÂDzÉÓÃTEN#ºÍRDY#½øÐÐËÙÂÊ¿ØÖÆ¡£

CH341ÓÃÓÚ´®¿Úʱ£¬ÆäÓ²¼þ×î¼òµ¥Ê±Ö»ÐèÒªÈý¸ùÏߣºGND£¬TXD£¬RXD£¬
¿ÉÒÔÖ±½ÓÓ뵥Ƭ»úÏàÁ¬£¬²¨ÌØÂÊÖ§³Ö´Ó50bpsµ½2Mbps£¬ÀýÈçMCS51µ¥Æ¬»ú£º
   CH341Òý½Å        MCS51µ¥Æ¬»úÒý½Å
      GND     <=>       GND
      TXD     <=>       RXD
      RXD     <=>       TXD
      TEN½ÓGND

Ó뵥Ƭ»úÏàÁ¬Ê±£¬Í¨³£½«CH341µÄTEN#Òý½ÅÖ±½Ó½ÓµØ£¬×ÜÊÇÔÊÐíCH341·¢ËÍÊý¾Ý£¬
Èç¹ûÔ¤Ë㵥Ƭ»ú¿ÉÄÜ»áÀ´²»¼°½ÓÊÕ´®¿ÚÊý¾Ý£¬ÄÇôӦ¸Ã½«TEN#Á¬½Óµ½µ¥Æ¬»úµÄI/OÒý½Å£¬
µ±µ¥Æ¬»ú²»Ã¦Ê±£¬Óɵ¥Æ¬»ú½«CH341µÄTEN#ÖÃΪµÍµçƽ£¬ÔÊÐíCH341´Ó´®¿Ú·¢³öÊý¾Ý£¬
µ±µ¥Æ¬»ú½Ïæʱ£¬Óɵ¥Æ¬»ú½«CH341µÄTEN#ÖÃΪ¸ßµçƽ£¬CH341½«ÔÝÍ£´Ó´®¿Ú·¢³öÊý¾Ý

CH341µÄTNOWÒý½ÅÊÇÊÕ·¢×´Ì¬£¬¿ÉÒÔÓÃÓÚ°ëË«¹¤Í¨Ñ¶µÄÊÕ·¢Çл»£¬ÀýÈçRS485µÄÊÕ·¢Çл»¡£

*******************************************************************************
ÈçºÎʶ±ðCH341´®¿Ú£¬ÈçºÎÖªµÀCH341µÄ´®¿ÚºÅCOM?

ÔÚÊ״ΰ²×°CH341´®¿ÚÇý¶¯Ê±£¬CH341´®¿ÚºÅÓÉWINDOWS×Ô¶¯·ÖÅ䣨ͨ³£´ÓCOM3¿ªÊ¼·ÖÅ䣩£¬
°²×°Íê³Éºó¿ÉÒÔÔÚÉ豸¹ÜÀíÖеãÆäÊôÐÔÐ޸Ĵ®¿ÚºÅ¡£ÓÉÓÚÓ¦ÓóÌÐòÊÂÏÈÎÞ·¨ÖªµÀCH341µÄ
ʵ¼Ê´®¿ÚºÅ£¬ËùÒÔ±ØÐëʹÓÃһЩÌØÊâ·½·¨Ê¶±ð³öCH341´®¿Ú£¬È»ºó²ÅÄÜʹÓá£

ÔÚWINDOWS 98/MEϵͳÏ£¬CH341´®¿ÚºÅÓ뵱ǰӲ¼þ×ÊÔ´ÅäÖÃÓйأ¬Ä¬ÈÏΪ×Ô¶¯·ÖÅä×ÊÔ´£¬
  ´Ó¶øÅÅÔÚµ±Ç°Êµ¼Ê´®¿ÚºÅÖ®ºó£¬¿ÉÒÔÔÚ´®¿ÚÊôÐÔÖÐÑ¡ÔñCH341×ÊÔ´ÅäÖÃÀ´Ö¸¶¨´®¿ÚºÅ¡£
ÔÚWINDOWS 2000/XPϵͳÏ£¬CH341´®¿ÚºÅÓ뵱ǰËùÔÚUSB¶Ë¿ÚÓйأ¬ÓÉÊ״ΰ²×°Ê±·ÖÅ䣬
  WINDOWS¼ÇÒä¸÷USB¶Ë¿ÚCH341µÄ´®¿ÚºÅ£¬¿ÉÒÔÔÚ´®¿ÚÊôÐÔÖÐͨ¹ý¸ß¼¶Ñ¡ÏîÖ¸¶¨´®¿ÚºÅ¡£

±È½Ï¼òµ¥µ«ºÜ·Ñʵķ½·¨ÊÇ£¬ÔÚÊ״ΰ²×°CH341´®¿Úºó£¬ÓóÌÐòÐÞ¸Ä×¢²á±í»òÕßµãÆäÊôÐÔ£¬
ÈËΪ½«CH341µÄ´®¿ÚºÅÐÞ¸ÄΪCOM5£¬±Ü¿ª³£ÓõÄCOM1µ½COM4£¬¸Ã·½·¨¼òµ¥µ«ÊÇÓпÉÄܳåÍ»¡£

³£¹æµÄʶ±ð·½·¨ÊDzÉÓÃÈí¼þ²éѯ·½·¨£º
   ³¢ÊÔÒÔ´®¿ÚÃû³ÆÖð¸ö´ò¿ª£¬´ò¿ª³É¹¦ºóͨ¹ý¸Ã´®¿ÚÊÕ·¢ÌØÊâ×Ö·û´®Ê¶±ðCH341´®¿Ú£¬
   ¸Ã·½·¨ÊÇ´Ó¡°COM1¡±¿ªÊ¼£¬½Ó×Å¡°COM2¡±Öð¸ö³¢ÊÔ´ò¿ª´®¿Ú¡£Èç¹ûij¸ö´®¿Ú´ò¿ª³É¹¦£¬
   ÄÇôÔÚ300bps²¨ÌØÂÊÏÂÏò¸Ã´®¿Ú·¢³öÌØÊâ×Ö·û´®¡°CH341Ser?¡±£¬Èç¹ûÔÚÔ¼200ºÁÃëÖ®ÄÚ
   ÊÕµ½Ó¦´ð×Ö·û¡°W¡±£¬ÄÇô¸Ã´®¿Ú¾ÍÊǵ±Ç°ÒѾ­Á¬½ÓµÄCH341´®¿Ú¡£Èí¼þÉè¼Æ·½·¨ÊÇ£º
   ´ÓCOM1¿ªÊ¼ÒÀ´Î´ò¿ªÃ¿¸ö´®¿Ú£¬Èç¹û´ò¿ª´®¿Úʧ°ÜÔòÌø¹ý£¨´®¿Ú²»´æÔÚ»òÕýÔÚʹÓã©£¬
   Èç¹û´ò¿ª³É¹¦ÔòÉèÖøô®¿Ú²¨ÌØÂÊΪ300£¬È»ºóÏò¸Ã´®¿ÚдÈëASCII×Ö·û´®"$CH341Ser?"£¬
   ×¢Òâ´óСд£¬¹²10¸ö×Ö·ûÒ»´ÎдÈ룬Èç¹û¸Ã´®¿ÚÊÇÆÕͨ´®¿Ú£¬ÄÇôͨ³£Ã»ÓÐÈκηµ»Ø£¬
   Èç¹û¸Ã´®¿ÚÊÇCH341´®¿Ú£¬ÄÇôӦÓóÌÐò½«ÄܽÓÊÕµ½Ò»¸öASCII×Ö·û"W"£¬ÒÔ´Ëʶ±ðCH341¡£
   ÀýÈ磬Óô®¿Ú¼à¿Ø/µ÷ÊÔ¹¤¾ßÈí¼þÑÝʾ£º
     ½«´®¿ÚµÄ²¨ÌØÂÊÑ¡ÔñΪ300bps£¨ÓÐЩ¹¤¾ßÈí¼þÔÚÑ¡Ôñ²¨ÌØÂʺó±ØÐëÖØдò¿ª´®¿Ú£©£¬
     ·¢³öÌØÕ÷×Ö·û´®£¬Îª10¸öASCIIÂëÊý¾Ý£º $CH341Ser?
     ·¢Ëͳɹ¦ºó£¬ÆÕͨ´®¿ÚûÓзµ»Ø£¬¶øCH341´®¿Ú½«·µ»Ø1¸öASCIIÂ룺 W

½¨ÒéʹÓÃCH341PT.DLL¶¯Ì¬¿â£¬Ó¦ÓóÌÐò¿ÉÒÔÖ±½Óµ÷ÓÃDLLÖÐÏàÓ¦µÄAPIʶ±ðCH341´®¿Ú£¬
   ʶ±ðËٶȿ죬ЧÂʸߡ£×¢Ò⣬CH341PT.DLLÔÚINFÖж¨ÒåΪ¿ÉÑ¡°²×°£¬Ä¬ÈÏÊÇ°²×°µÄ

*******************************************************************************
¹ØÓÚ¶ÁÈ¡Íⲿ´®ÐÐEEPROM

CH341¿ÉÒÔÍâ½ÓI2C½Ó¿ÚµÄÆ÷¼þ£¬ÀýÈç³£ÓõÄ24ϵÁд®ÐзÇÒ×ʧ´æ´¢Æ÷EEPROM£¬
Ö§³Ö24C01A£¬24C02£¬24C04£¬24C08£¬24C16µÈ£¬ÒÔ¼°Óë֮ʱÐò¼æÈݵÄÆ÷¼þ£¬
24ϵÁÐEEPROM¼È¿ÉÒÔÓÃÓÚÅäÖÃCH341£¬Ò²¿ÉÒÔÓÃÓڶϵçÆڼ䱣´æÖØÒªÊý¾Ý¡£
ÀýÈç±£´æ²úÆ·ÐòÁкŵÈʶ±ðÐÅÏ¢£¬Ó¦ÓóÌÐò¿ÉÒÔ¶Á³öÓÃÓÚʶ±ð²úÆ·¹¦Äܵȡ£
Èç¹ûÐèÒªÖ§³Ö24C64¡¢24C256¡¢24C512ÒÔ¼°¸ü´óÈÝÁ¿µÄEEPROM£¬Çë²Î¿¼CH341ÆÀ¹À°å×ÊÁÏ¡£

Ó¦ÓóÌÐò¿ÉÒÔ°´´®¿Ú·½Ê½¶ÁдCH341ËùÁ¬½ÓµÄ24ϵÁÐEEPROM£¬·½·¨ÊÇ£º
  ÉèÖÃCH341´®¿Ú²¨ÌØÂÊΪ300£¬È»ºóÒÔ4×Ö½ÚΪһ×éµÄÃüÁî°üд´®¿Ú£¬
  ÃüÁî°üµÄÊ××Ö½Ú±ØÐëÊÇ@£¬µØÖ··û£¬¶ÔÓ¦µÄÊ®Áù½øÖÆÊýΪ40H£¬
  ÃüÁî°üµÄµÚ¶þ×Ö½ÚÊÇ24ϵÁÐEEPROMµÄÉ豸µØÖ·£¬Î»0ÊÇ·½Ïò±êÖ¾£¬0Ϊд£¬1Ϊ¶Á£¬
  ÃüÁî°üµÄµÚÈý×Ö½ÚÊÇ24ϵÁÐEEPROMµÄµ¥ÔªµØÖ·£¬
  ÃüÁî°üµÄµÚËÄ×Ö½ÚÊÇ×¼±¸Ð´Èë24ϵÁÐEEPROMµÄÒ»¸öÊý¾Ý£¬Èç¹ûÊǶÁ²Ù×÷ÔòÖ¸¶¨Îª00H£¬
  Èç¹ûÊÇд²Ù×÷£¬ÄÇôÃüÁî·¢Ëͳɹ¦¾Í˵Ã÷д³É¹¦£¬¶ÔÓÚEEPROM»¹ÒªÑÓʱ10mS²ÅÄÜÏÂÒ»¸ö²Ù×÷£¬
  Èç¹ûÊǶÁ²Ù×÷£¬ÄÇôÃüÁî·¢Ëͳɹ¦ºó£¬¿ÉÒÔ´Ó´®¿Ú½ÓÊÕµ½Ò»¸ö×Ö½ÚµÄÊý¾Ý£¬¾ÍÊǶÁ³öµÄÊý¾Ý

ÀýÈ磬CH341Á¬½Ó24C0X£¬A2=A1=A0=GND£¬½«·ÂÕæ´®¿ÚµÄ²¨ÌØÂÊÑ¡ÔñΪ300bps£¬
¿ÉÒÔÓô®¿Ú¼à¿Ø/µ÷ÊÔ¹¤¾ßÈí¼þÑÝʾ£º
1¡¢·¢³öÃüÁî°ü£¬Îª4¸öÊ®Áù½øÖÆÊý¾Ý£º 40 A1 01 00
   ½«24C0XÖеØַΪ01HµÄÊý¾Ý¶Á³ö£¬¿ÉÒÔ´Ó´®¿Ú½ÓÊÕµ½Ò»¸ö×Ö½ÚµÄÊý¾Ý
2¡¢·¢³öÃüÁî°ü£¬Îª4¸öÊ®Áù½øÖÆÊý¾Ý£º 40 A0 2A 69
   ½«Ò»¸ö×Ö½ÚµÄÊý¾Ý69Hдµ½24C0XÖеØַΪ2AHµÄµ¥Ôª£¬Í¨³£µÈ´ý10mSºó²ÅÄܽøÐÐÏÂÒ»¸ö²Ù×÷
3¡¢·¢³öÃüÁî°ü£¬Îª4¸öÊ®Áù½øÖÆÊý¾Ý£º 40 A5 E7 00
   ½«24C0XÖеØַΪ02E7HµÄÊý¾Ý¶Á³ö£¬¿ÉÒÔ´Ó´®¿Ú½ÓÊÕµ½Ò»¸ö×Ö½ÚµÄÊý¾Ý
   ×¢Ò⣬ֻÓÐ24C08ºÍ24C16ÖÐÓеØַΪ02E7HµÄÊý¾Ýµ¥Ôª

*******************************************************************************
¹ØÓÚÖ§³Ö·Ç±ê×¼²¨ÌØÂÊ»òÕ߸ü¸ßͨѶ²¨ÌØÂÊ

¶ÔÓÚһЩ·Ç±ê×¼²¨ÌØÂÊ»òÕß³£¹æ·½·¨ÎÞ·¨ÉèÖõĸßËÙ²¨³ÖÂÊ£¬CH341Çý¶¯³ÌÐòÌṩÌØÊâ·½·¨£¬
Ó¦ÓóÌÐò¿ÉÒÔ°´´®¿ÚдÊý¾ÝµÄ·½Ê½¼ä½ÓÉèÖÃCH341µÄ´®¿ÚͨѶ²¨ÌØÂÊ£¬·½·¨ÊÇ£º
  ÉèÖÃCH341´®¿Ú²¨ÌØÂÊΪ300£¬È»ºóÒÔASCIIÂë×Ö·û´®µÄÃüÁî°üд´®¿Ú£¬
  ÃüÁî°üµÄÊ××Ö½Ú±ØÐëÊÇ#£¬¾®×Ö·û£¬¶ÔÓ¦µÄÊ®Áù½øÖÆÊýΪ23H£¬
  ÃüÁî°üµÄÖмäΪ²»³¬¹ý7¸öÊý×Ö±íʾµÄ²¨ÌØÂÊ£¬ÀýÈç×Ö·û´®9600»òÕß921600µÈ£¬
  ÃüÁî°üµÄβ×Ö½Ú±ØÐëÊÇ_£¬Ï»®Ïߣ¬¶ÔÓ¦µÄÊ®Áù½øÖÆÊýΪ5FH£¬
  Ò²¾ÍÊÇ˵£¬½«ÒªÉèÖõIJ¨ÌØÂÊÒÔ×Ö·û´®µÄÐÎʽÖÃÓÚ#×Ö·ûºÍ_×Ö·ûÖ®¼ä£¬×÷Ϊһ¸öÃüÁî°ü£¬
  ÔÚ300bpsÏ·¢Ë͵½CH341µÄ´®¿Ú£¬ÄÇô½«±»CH341Çý¶¯³ÌÐò½âÊÍΪÐÞ¸ÄCH341µÄ²¨ÌØÂÊ£¬
  ¶ø²»»á±»×÷ΪÊý¾Ý´Ó´®¿ÚÕæÕý·¢³ö£¬µ±¸Ã²Ù×÷³É¹¦·µ»Øºó£¬
  CH341ʵ¼Ê¹¤×÷ÓÚÖ¸¶¨µÄв¨ÌØÂÊ£¬µ±È»£¬¼ÆËã»úϵͳ¼°´®¿Ú¿Ø¼þÈÔÈ»ÒÔΪÊǹ¤×÷ÓÚ300bps£¬
  Èç¹ûÐèÒªÔÙ´ÎÒÔÕâÖÖ·½·¨¸Ä±ä²¨ÌØÂÊ£¬ÄÇôÊ×ÏÈÒªÓó£¹æ·½·¨½«CH341µÄ²¨ÌØÂÊÖÃΪ300bps¡£

ÀýÈ磬Óô®¿Ú¼à¿Ø/µ÷ÊÔ¹¤¾ßÈí¼þÑÝʾ£º
1¡¢½«CH341´®¿ÚµÄ²¨ÌØÂÊÑ¡ÔñΪ300bps£¨ÓÐЩ¹¤¾ßÈí¼þÔÚÑ¡Ôñ²¨ÌØÂʺó±ØÐëÖØдò¿ª´®¿Ú£©£¬
   ·¢³ö×Ö·û´®ÃüÁî°ü£¬Îª6¸öASCIIÂëÊý¾Ý£º #9600_
   ·¢Ëͳɹ¦ºó£¬CH341½«Êµ¼Ê¹¤×÷ÓÚ9600bps
2¡¢½«CH341´®¿ÚµÄ²¨ÌØÂÊÑ¡ÔñΪ300bps£¨ÓÐЩ¹¤¾ßÈí¼þÔÚÑ¡Ôñ²¨ÌØÂʺó±ØÐëÖØдò¿ª´®¿Ú£©£¬
   ·¢³ö×Ö·û´®ÃüÁî°ü£¬Îª8¸öASCIIÂëÊý¾Ý£º #460800_
   ·¢Ëͳɹ¦ºó£¬CH341½«Êµ¼Ê¹¤×÷ÓÚ460800bps
3¡¢½«CH341´®¿ÚµÄ²¨ÌØÂÊÑ¡ÔñΪ300bps£¨ÓÐЩ¹¤¾ßÈí¼þÔÚÑ¡Ôñ²¨ÌØÂʺó±ØÐëÖØдò¿ª´®¿Ú£©£¬
   ·¢³ö×Ö·û´®ÃüÁî°ü£¬Îª9¸öASCIIÂëÊý¾Ý£º #1000000_
   ·¢Ëͳɹ¦ºó£¬CH341½«Êµ¼Ê¹¤×÷ÓÚ1000000bps

CH341´®¿ÚÖ§³Ö50bpsµ½2MbpsµÄ²¨ÌØÂÊ£¬µ±Ó¦ÓóÌÐòÇëÇóCH341¸Ä±ä´®¿ÚͨѶ²¨ÌØÂÊʱ£¬
CH341Çý¶¯³ÌÐò½«²¨ÌØÂÊ»»ËãΪ²¨ÌØÂʳýÊý£¬È»ºóÐÞ¸ÄCH341оƬÄÚ²¿µÄ²¨ÌØÂʳýÊý¼Ä´æÆ÷£¬
ËùÒÔÉèÖÃCH341´®¿ÚµÄͨѶ²¨ÌØÂÊʵ¼ÊÉÏÊÇÉèÖÃCH341оƬÄÚ²¿µÄ²¨ÌØÂʳýÊý¼Ä´æÆ÷£¬
ÓÉÓÚCH341ÄÚ²¿µÄ´®¿Ú»ù׼λʱÖÓΪ48/8=6MHz£¨»ò12MHz£©£¬²¢ÇÒ²¨ÌØÂʳýÊýÖ»Ö§³ÖÕûÊý£¬
ËùÒÔÔÚÖ¸¶¨²¨ÌØÂÊʱ£¬Ó¦¸Ã¿¼ÂÇʵ¼Ê»»ËãÎó²î£¬ÔÚ²¨ÌØÂÊ´óÓÚ19200bpsʱµÄ¼ÆËã·½·¨ÊÇ£º
    X = 6000000 ³ýÒÔ²¨ÌØÂʺóµÄÖµ
    Y = X ËÄÉáÎåÈëºóµÄÖµ
    Îó²î = ( Y - X ) / X

ÒÔÏÂΪCH341Ö§³ÖµÄ³£Óò¨ÌØÂÊ£¬Î´×¢Ã÷µÄ»ù׼λʱÖÓΪ6MHz£¬Î´×¢Ã÷µÄÎó²îСÓÚ0.16%
    921600 (12MHz),   460800,   307200 (12MHz),
    230400,  153600,  128000 (0.27%),    115200,
    76800,   57600,   56000,    38400,   33600,
    28800,   19200,   14400,    9600,    7200,
    4800,    3600,    2400,     1800,    1200,
    900,     600,     300,      150,     134.5,
    110,     100,     75,       50,      2000000,
    1500000, 1200000, 1000000,  750000,  500000,
    375000,  250000,  200000,   187500,  100000,
    93750,   75000,   50000,    25000,   10000
ÆäËü²¨ÌØÂÊÖ»ÒªÎó²îСÓÚ2.5%£¬CH341¶¼¿ÉÒÔÖ§³Ö£¬¼ÆËãÎó²îʱҪ¿¼ÂÇÁ½¶ËµÄÎó²îÖ®ºÍ¡£
µ«ÊÇΪÁË¿É¿¿½øÐÐͨѶ£¬½¨Ò鲻ҪʹÓÃÎó²î´óÓÚ1%µÄ²¨ÌØÂÊ¡£

*******************************************************************************
USBÉ豸Çý¶¯³ÌÐòÓë·ÂÕæ´®¿ÚÇý¶¯³ÌÐò

CH341´®¿ÚÓ²¼þµÄĬÈÏÇý¶¯³ÌÐòÊÇ·ÂÕæ´®¿ÚÇý¶¯³ÌÐò£¬
¼´ÔÚ¼ÆËã»ú¶Ë¶à³öÒ»¸ö´®¿Ú£¬²¢ÇÒÔÚÏÂλ»ú¶ËCH341оƬҲʹÓô®¿ÚͨѶ¡£
¼ÆËã»ú¶ËÓ¦ÓóÌÐòͨ¹ý²Ù×÷·ÂÕæ´®¿ÚʵÏÖUSBÊý¾Ý´«Ê䣬ÆäÓ÷¨ÓëÆÕͨ´®¿ÚÏàͬ¡£

Èç¹û²»Ï£ÍûÔÚ¼ÆËã»ú¶Ë·ÂÕæΪ´®¿Ú£¬ÄÇô¿ÉÒÔʹÓÃUSBÉ豸Çý¶¯³ÌÐò£¬
¼´ÔÚ¼ÆËã»ú¶Ë¶à³öÒ»¸öUSBÉ豸£¬µ«ÊÇÔÚÏÂλ»ú¶ËCH341оƬÈÔȻʹÓô®¿ÚͨѶ¡£
¼ÆËã»ú¶ËÓ¦ÓóÌÐòͨ¹ýµ÷ÓÃDLLÌṩµÄAPIʵÏÖUSBÊý¾Ý´«Êä,
ÆäÓ÷¨ÓëCH341²¢¿Ú¡¢CH372¡¢CH375ÀàËÆ£¬¿ÉÒԲο¼Ïà¹ØµÄÓ¦ÓóÌÐòµÄÔ´³ÌÐò¡£

CH341´®¿ÚÓ²¼þµÄUSBÉ豸Çý¶¯Óë²¢¿ÚÓ²¼þµÄUSBÉ豸Çý¶¯CH341PARÍêÈ«Ïàͬ£¬
Çø±ð½öÔÚÓÚÇý¶¯°²×°ÐÅÏ¢ÎļþINFÖеÄPID²»Í¬£¨²Î¿¼CH341PARµÄINFÖеÄ×¢ÊÍÐÐ˵Ã÷£©¡£

*******************************************************************************