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¶/Ð¶ÔØÇý¶¯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£¬ÀíÂÛÉÏËæÊ±»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»òÕ߯Õͨ´®¿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¨Ò鹨±ÕCH341´®¿Ú£¬ÉÔµÈÁ½ÃëºóÔÙÖØÐ´ò¿ª´®¿ÚͨѶ¡£
²ÉÓÃÉ豸ʼþ֪ͨµÄ·½·¨¿ÉÒÔ¼°Ê±Á˽âCH341´®¿ÚÉ豸µÄÁ¬½ÓÓë¶Ï¿ª£¬
´Ó¶øÊ¹´®¿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±ØÐëʹÓÃÒ»Ð©ÌØÊâ·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·ÑÊµķ½·¨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±ØÐëÖØÐ´ò¿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¬ÈÏÊǰ²×°µÄ
*******************************************************************************
¹ØÓÚ¶ÁÈ¡Íⲿ´®ÐÐEEPROM
CH341¿ÉÒÔÍâ½ÓI2C½Ó¿ÚµÄÆ÷¼þ£¬ÀýÈç³£ÓõÄ24ϵÁд®ÐзÇÒ×ʧ´æ´¢Æ÷EEPROM£¬
Ö§³Ö24C01A£¬24C02£¬24C04£¬24C08£¬24C16µÈ£¬ÒÔ¼°Óë֮ʱÐò¼æÈÝµÄÆ÷¼þ£¬
24ϵÁÐEEPROM¼È¿ÉÒÔÓÃÓÚÅäÖÃCH341£¬Ò²¿ÉÒÔÓÃÓڶϵçÆÚ¼ä±£´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«24C0XÖеØÖ·Îª01HµÄÊý¾Ý¶Á³ö£¬¿ÉÒÔ´Ó´®¿Ú½ÓÊÕµ½Ò»¸ö×Ö½ÚµÄÊý¾Ý
2¡¢·¢³öÃüÁî°ü£¬Îª4¸öÊ®Áù½øÖÆÊý¾Ý£º 40 A0 2A 69
½«Ò»¸ö×Ö½ÚµÄÊý¾Ý69Hдµ½24C0XÖеØÖ·Îª2AHµÄµ¥Ôª£¬Í¨³£µÈ´ý10mSºó²ÅÄܽøÐÐÏÂÒ»¸ö²Ù×÷
3¡¢·¢³öÃüÁî°ü£¬Îª4¸öÊ®Áù½øÖÆÊý¾Ý£º 40 A5 E7 00
½«24C0XÖеØÖ·Îª02E7HµÄÊý¾Ý¶Á³ö£¬¿ÉÒÔ´Ó´®¿Ú½ÓÊÕµ½Ò»¸ö×Ö½ÚµÄÊý¾Ý
×¢Ò⣬ֻÓÐ24C08ºÍ24C16ÖÐÓеØÖ·Îª02E7HµÄÊý¾Ýµ¥Ôª
*******************************************************************************
¹ØÓÚÖ§³Ö·Ç±ê×¼²¨ÌØÂÊ»òÕ߸ü¸ßͨѶ²¨ÌØÂÊ
¶ÔÓÚһЩ·Ç±ê×¼²¨ÌØÂÊ»òÕß³£¹æ·½·¨ÎÞ·¨ÉèÖõĸßËÙ²¨³ÖÂÊ£¬CH341Çý¶¯³ÌÐòÌá¹©ÌØÊâ·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×ÏÈÒªÓ󣹿·½·¨½«CH341µÄ²¨ÌØÂÊÖÃΪ300bps¡£
ÀýÈ磬Óô®¿Ú¼à¿Ø/µ÷ÊÔ¹¤¾ßÈí¼þÑÝʾ£º
1¡¢½«CH341´®¿ÚµÄ²¨ÌØÂÊÑ¡ÔñΪ300bps£¨ÓÐЩ¹¤¾ßÈí¼þÔÚÑ¡Ôñ²¨ÌØÂʺó±ØÐëÖØÐ´ò¿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±ØÐëÖØÐ´ò¿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±ØÐëÖØÐ´ò¿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«ÊÇΪÁ˿ɿ¿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·ÂÕæÎª´®¿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÷£©¡£
*******************************************************************************
Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.