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NSUC16x0¿ª·¢¹¤³ÌʦFAQ

2025/08/21

1. ÉÏÊÖÆª


1.1 Ó²¼þ¿ª·¢°å

Q£ºNSUC16x0µÄDemo°åÓÐÄÄÐ©ÌØÐÔ£¿

    A£ºNSUC16x0µÄDemo°åÊÇΪÁ˰ïÖú¿Í»§¸ü¿ìµÄÆÀ¹À¸ÃоƬ¶øÉè¼ÆµÄ¡£Ä¿Ç°Ó²¼þÒѾ­µ½V1.3°æ±¾¡£¸ÃDemo°åÖ÷Òª°üÀ¨ÏÂÃæµÄһЩ¹¦ÄÜ£º

        1. Ö§³Ö¸÷ÖÖ²»Í¬µÄµç»úÐÎʽ£¬°üÀ¨Ö±Á÷ÓÐË¢µç»ú¡¢ÈýÏàÖ±Á÷ÎÞË¢µç»úÒÔ¼°²½½øµç»ú¿ØÖÆ£»

        2. ÿ¸öÇű۵ĵçÁ÷¸ß´ï1.4A£»

        3. Ö§³ÖTESTģʽÇл»£¬¿ÉÒÔ´ÓFLASHÆô¶¯»òÕßRAMÆô¶¯£»

        4. Ö§³ÖSWDµ÷ÊÔ½Ó¿Ú£»

        5. Ö§³ÖËÄÏßµÄLIN£¬°üÀ¨LIN_IN, LIN_OUT, GNDºÍVSUP£¬¿ÉÒÔ·½±ãµÄ×éÍøºÍ×Ô¶¯Ñ°Ö·£»

        6. ÓÐÒ»¸öµçԴָʾµÆºÍÒ»¸öÓû§¿É¿ØÖ¸Ê¾µÆ£»

        7. Ö§³ÖÒ»¸ö°´¼üÊäÈ룻

        8. Ö§³ÖHSBVDD¸ß±ßÊä³ö¿ØÖÆ£»

        9. ¸÷¸ö¹¦ÄܹܽŶ¼Òý³ö£¬·½±ã¿Í»§ÆÀ¹ÀºÍʹÓã»

 

Q2£ºNSUC16x0µÄDemo°åÔ­Àíͼ£¿

    A£º

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Q3£ºDemo°åÀïµÄ³ÌÐòÃ÷Ã÷Êä³öÁË£¬µ«ÎªÊ²Ã´Ã»ÓеçÁ÷£¿

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Q4£ºÎªÊ²Ã´LINÏß¼ÈÓÐLINÓÖÓÐLIN_O£¿ÔÚLIN InterfaceµÄ½Ó¿ÚÉÏÃû×Ö½ÐLIN_INºÍLIN_OUT£¿

    A£ºÐ¾Æ¬µÄ¹Ü½ÅÉÏÓÐLINºÍLIN_O¡£Èç¹ûÓ¦ÓÃÖв»ÐèÒª×Ô¶¯Ñ°Ö·µÄ¹¦ÄÜ£¬ÄÇô½¨ÒéLIN_OÐü¿Õ¼´¿É¡£Èç¹ûÐèÒªÓõ½×Ô¶¯Ñ°Ö·£¬±ÈÈç¿Õµ÷·çÃÅ»òÕß³ö·ç¿ÚÓ¦Ó㬱Ƚ϶àµÄÏàͬ¹¦ÄܵÄECUÁ¬½ÓÔÚÒ»Æð£¬ÄÇô¾ÍÐèÒª×Ô¶¯Ñ°Ö·µÄ·½·¨À´½øÐÐECUµÄNAD¸³Öµ¡£

    LIN_INºÍLIN_OUTÖ¸µÄ¾ÍÊÇÁ¬½ÓLINºÍLIN_O¹Ü½ÅµÄÍⲿÐźš£ÕâÁ½¸öÐźÅÓÃÓÚ½«¶à¸öECU´®ÁªÆðÀ´¡£LINºÍLIN_OÖ®¼äÊÇÒ»¸ö1Å·Ä·µÄµç×裬Õâ¸öµç×èÊÇоƬÄÚ²¿¼¯³ÉµÄ£¬ÓÃÍòÓñíͨ¶Ï²âÁ¿µÄ»°£¬LINºÍLIN_O£¬Ò²¾ÍÊÇLIN_INºÍLIN_OUTÊÇÁªÍ¨µÄ¡£

 

 

1.2 Èí¼þ¿ª·¢»·¾³

Q1£ºNSUC16x0Ö§³ÖʲôÄÄЩÈí¼þIDE£¿

    A£ºNSUC16x0ÊôÓÚARM CortexM3Äںˡ£ËäÈ»ARMÄں˿ÉÒÔÓкܶ಻ͬµÄ¿ª·¢»·¾³£¬µ«KeilÒ»Ö±ÊDZȽÏÊܹã´ó¿ª·¢Õßϲ»¶µÄIDE¡£Òò´ËNSUC16x0Ñ¡ÔñKeil×÷ΪÆä¿ª·¢»·¾³¡£Óû§Ö»ÐèÒª°²×°KeilµÄMDK5xx¼°ÒÔÉϵÄIDE£¬¶¼ÊÇ¿ÉÒԵġ£

 

Q2£ºÊ¹ÓÃKeil¿ª·¢Ó¦¸Ã×¢ÒâЩʲô£¿

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1.3 µ÷ÊÔÆ÷

Q1£ºNSUC16x0¿ª·¢ÍƼöʲôµ÷ÊÔÆ÷ÄØ£¿

    A£ºNSUC16x0 Ö§³ÖSWDµ÷ÊÔ¿Ú¡£ÓÉÓÚNSUC16x0µÄIOÊôÓÚ5Vϵͳ£¬Òò´Ë½¨ÒéÓû§Ê¹ÓÃÖ§³Ö5VµçѹµÄJ-link¡£Èç¹ûʹÓÃDP-Link»òÕßST-Link£¬´ó²¿·Ö¶¼ÊÇ3.3VµÄIO£¬ÕâÑùµÄ»°Óнϴó¸ÅÂÊ»áÁ¬½Óʧ°Ü¡£

 

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    A£º

    1. ÔÚ¹ºÂòJ-linkµÄʱºò£¬ÐèҪȷ±£Õâ¸öJ-linkÊÇÖ§³Ö5VµÄ£¬±ÈÈç»áÓÐÀàËÆµÄ×ÖÑù¡£

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    2. SWDµÄÁ¬½Ó£¬JlinkµÄ»°£¬ÐèÒªÁ¬½Ó4¸ùÏߣ¬VTrefÐèÒªÁ¬½Óµ½Ä¿±ê°åµÄAVDD£¬Õâ¸ö×÷ÓÃÊÇΪÁ˼ì²âAVDDµÄµçѹ£¬´Ó¶øÈ·±£SWDÊä³öµÄµçѹºÍAVDDÆ¥Åä¡£ÈçÏÂͼËùʾ£º

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    J-linkµÄ20PINµÄ½ÓÍ·Á¬½ÓÈçÏÂͼËùʾ£¬VTref - PIN1£»SWDIO - PIN7£»SWCLK - PIN9£»GND - PIN20»òÕ߯äËû¡£

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    3. Èç¹ûJ-linkÁ¬½ÓÕýÈ·µÄ»°£¬¸øÄ¿±ê°åÉϵçºó£¬ÔÚKeilµÄħÊõ°ôϵÄDebugÑ¡ÏÉÏÄܶÁµ½J-linkµÄÐÅÏ¢ºÍоƬµÄIDCODE¡£

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1.4 LINºÐ×Ó

Q1£ºLIN ºÐ×ÓÄÜ×öʲô£¿

    A£ºLINºÐ×Óʵ¼ÊÉϾÍÊÇÒ»¸öLIN-USB¹¤¾ß£¬Ö÷ÒªÓÃÓÚÄ£ÄâLIN Master£¬·¢ËÍLINµÄÖ¸ÁîºÍ¶ÁÈ¡LIN SlaveµÄÊý¾Ý¡£

    ÓÉÓÚNSUC16x0Ö÷ÒªÊÇÓÃÓÚLINͨÐŵÄÖ´ÐÐÆ÷£¬Òò´ËLINºÐ×ÓÊDZØÐëÒªµÄ¡£

 

Q2£ºLINºÐ×ÓÍÆ¼öÐͺÅ£¿

    A£ºÄ¿Ç°ÍƼöͼĪ˹µÄLINºÐ×Ó£¬Ô­ÒòÊÇÒøºÓ¼¯ÍÅgalaxyMCU¿ª·¢µÄÉÏλ»úÒ²¶¼ÊÇ»ùÓڸù¤¾ß¡£

    ¸Ã¹¤¾ßÐԼ۱ȱȽϸߣ¬Æä×Ô´øÉÏλ»ú¹¦ÄÜÒ²±È½Ï·á¸»¡£

    USB2CAN&LIN×ÜÏßÊÊÅäÆ÷»ù´¡°æ-ÖØÇìͼĪ˹µç×ӿƼ¼ÓÐÏÞ¹«Ë¾¹ÙÍø

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1.5 µç»ú

Q1£ºDEMOÅäÌ׵IJ½½øµç»úÐͺÅÊÇʲô£¿

    A£ºÆäʵûÓÐËùνDEMOÅäÌ׵IJ½½øµç»ú£¬ÎÒÃÇÍÆ¼öʹÓÃ12V²½½øµç»ú£¬¿ÉÒÔʹÓÃ42BYGH33µÈ³£ÓõIJ½½øµç»ú¡£

 

 

2. Ó²¼þƪ

Q1£º²úÆ·°å×ÓµÄTESTÒý½Å¸ÃÈçºÎ´¦ÀíÄØ£¿

    A£ºTESTÒý½Å¶ÔÓÚÓû§À´½²£¬Ö÷ÒªµÄ×÷ÓÃÊÇΪÁËоƬbootµÄÑ¡Ôñ¡£Ð¾Æ¬¸´Î»ºó»á¸ù¾ÝTEST½ÅÊÇ¸ßµçÆ½»¹ÊÇµÍµçÆ½£¬Ñ¡Ôñ²»Í¬µÄbootλÖá£Èç¹ûTESTÊÇ¸ßµçÆ½£¬ÄÇôоƬ½«´ÓRAM¿ªÊ¼boot£¬·´Ö®Èç¹ûÊÇµÍµçÆ½Ôò´ÓFLASH¿ªÊ¼boot¡£

    ½¨ÒéÓû§½«TESTÒý½Åͨ¹ýÒ»¸ö10kµç×è½ÓµØ£¬Í¬Ê±½«TEST½ÓÒ»¸ö²âÊԵ㣬ÕâÑù×öµÄÄ¿µÄÊÇÏ£ÍûÈç¹ûFLASHÆô¶¯ÓÐÎÊÌâµÄ»°£¬»¹¿ÉÒÔͨ¹ýRAMÆô¶¯À´²Á³ýFLASH£¬¿ÉÒÔ±ÜÃâÓÉÓÚ³ÌÐòµÄ²Ù×÷ÓÐÎÊÌâ¶øµ¼Öµİå×Ó±äשͷ¡£

 

Q2£ºHSBVDDÊÇ×öʲôÓõÄ£¬²»Óõϰ¸ÃÈçºÎ´¦ÀíÄØ£¿

    A£ºÈ·ÇеÄ˵HSBVDDÊÇÒ»¸ö¸ß±ß¿ª¹Ø£¬Ï൱ÓÚ½«HSBVDDÁ¬µ½BVDDµÄÒ»¸ö¿É¿ØµÄ¿ª¹Øµç·¡£¿ÉÒÔͨ¹ý¼Ä´æÆ÷¿ØÖÆÁ¬½Ó»òÕ߹رգ¬»¹¿ÉÒÔÓйýÁ÷±£»¤¹¦ÄÜ¡£±È½ÏµäÐ͵ÄcaseÊÇHSBVDD¸øÍⲿµÄ´«¸ÐÆ÷¹©µç£¬±ÈÈç¸ßѹµÄ»ô¶û¿ª¹ØµÈ¡£

    Èç¹û²»Óõϰ£¬¿ÉÒÔ½«Æäͨ¹ýÒ»¸öµç×è10k½ÓµØ£¬Ö»ÒªÆä¿ª¹ØÊǹرյÄ£¬²¢²»»á´øÀ´µçÁ÷µÄÔö¼Ó¡£Ò²¿ÉÒÔ½«ÆäÁ¬½Óµ½BVDDÉÏ¡£

 

Q3£ºÎªÊ²Ã´ÐÂ×öµÄ°å×ÓÁ¬²»ÉÏDebugÄØ£¿

    A£ºÐ°å×ÓÁ¬²»ÉÏDebug£¬Ö÷Òª¿ÉÄÜÓÐÏÂÃæµÄһЩԭÒò£º

        1. ʹÓõÄDebug¹¤¾ß£¬±ÈÈçST-link»òÕßDAP-LinkµÄÊä³öÊÇ3.3VµÄ£¬Ö±½ÓÁ¬µ½NSUC16x0ÉÏÃæµÄ»°»á¿ÉÄÜ´æÔÚÂß¼­µçƽʶ±ð´íÎó¡£½¨ÒéʹÓÃ5VµçƽµÄdebug¹¤¾ß£»

        2. DebugµÄÏßÊøÌ«³¤£¬Èç¹ûDebugµÄ¶Å°îÏ߱Ƚϳ¤¿ÉÄܻᵼÖÂͨÐÅÎÊÌ⣻

        3. ÓÉÓÚAVDDµÄÎÆ²¨½Ï´ó£¬Ò²»áµ¼ÖÂDebugͨÐŲ»ÉÏ£¬½¨Òéµ÷ÕûAVDDµÄµçÈÝ£»

        4. ÓÉÓÚAVDDÍⲿÁ¬½Ó½Ï´óµÄµçÈÝ£¬±ÈÈç1uF»òÕ߸ü´óµÄµçÈÝ¡£Õâ¸ö´óµçÈÝ¿ÉÄÜÊÇAVDD¹©µçµÄоƬÅԱߵĵçÈÝ£¬ÕâÑù»áµ¼ÖÂAVDDÒì³££¬±ÈÈç½µµ½4.0V×óÓÒ¡£ÕâÑù»áµ¼ÖÂDebugÁ¬½ÓÒì³£¡£

 

Q4£ºÐ¾Æ¬µÄAVDD¿ÉÒÔ¶ÔÍ⹩µçô£¿

    A£ºÐ¾Æ¬µÄAVDD¿ÉÒÔ¶ÔÍâÌṩ5V£¬20mAµÄ¹©µçÄÜÁ¦¡£Õâ¸öÊä³öûÓйýÁ÷±£»¤£¬Ö»ÓÐAVDDµÄǷѹ±£»¤¡£

 

Q5£ºÐ¾Æ¬µÄµÍ¹¦ºÄµçÁ÷ÔõÑù£¬ÄÜÂú×ã100uAµÄÒªÇóô£¿

    A£ºNSUC16x0µÄµÍ¹¦ºÄµçÁ÷sleepģʽϵäÐÍÖµÊÇ35uA£¬¿ÉÒÔÂú×ã100uAµÄÒªÇó¡£

 

Q6£ºÐ¾Æ¬µÄSLEEPģʽÏÂҪעÒâЩʲô£¿

    A£ºNSUC1610µÄSLEEPģʽÏ£¬MCUµÄÄÚ²¿LDOÊǹصôµÄ£¬CPU¡¢NVM¡¢SRAM¶¼´¦ÓÚPowerDown״̬¡£Õâ¸öʱºòÈç¹ûÐèÒª±£´æÊý¾Ý£¬ÇëÏȽ«Êý¾Ý±£´æÔÚEEPROMÀ±£´æÍêºÃÖ®ºóÔÙ½øÈëµ½SLEEP״̬¡£


Q7£ºMVSS0ºÍMVSS1ÊÇÔõô»ØÊ£¬2¸ö½ÅÊÇÁªÍ¨µÄô£¿

    A£º°´ÕÕĿǰµÄUser GuideͼʾÏÔʾ£¬MVSS0ÓëMVSS1ÊÇ·Ö¿ªµÄ¡£µ«Êµ¼ÊÉÏMVSS0ÓëMVSS1ÔÚоƬÄÚ²¿ÊÇÁªÍ¨µÄ£¬ÇÒ²»ÄÜ·Ö¿ª¡£

ÕâµãÐèҪעÒ⣬User Guideа汾Öлá¸ü¸Ä¹ýÀ´¡£

 

Q8£ºÎªÊ²Ã´LIN³ýÁËLIN_IN»¹ÓÐLIN_OUT£¬Ê²Ã´Ê±ºòÐèÒªÓõ½LIN_OUT£¿

    A£ºµ±¶à¸öÏàͬ¹¦ÄܵÄLINÄ£¿é½ÓÈëϵͳµÄʱºò£¬ÐèÒª¸ø²»Í¬µÄLIN Slave¸³ÖµÏàÓ¦µÄNAD¡£Õâ¸öʱºò¾ÍÐèÒª4ÏßÖÆµÄLIN¡£

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    µ±Ê¹ÓÃ4ÏßÖÆµÄLINµÄʱºò£¬Ä³¸ö½ÚµãµÄLIN_OUT½ÓÏÂÒ»¸ö½ÚµãµÄLIN_IN£¬ÒÀ´ÎÐγɾջ¨Á´Ê½Á¬½Ó¡£

    LIN_INºÍLIN_OUTÖ®¼äÊÇÒ»¸ö1¦¸µÄshuntµç×裬Õâ¸öµç×èÓÃÓÚ²ÉÑùÁ÷¹ýLINÏߵĵçÁ÷¡£¾ßÌå¿ÉÒԲο¼Îĵµ Bus Shunt Revision¡£

 

Q9£ºNSUC1610µÄ·åÖµµçÁ÷ÊǶàÉÙ£¬±£»¤µçÁ÷ÄØ£¿

    A£ºNSUC1610·åÖµµçÁ÷´óСÊÇ1.4A£¬ÓÐЧֵµçÁ÷Ô¼1A¡£±£»¤µçÁ÷ͨ³£´óÓÚ·åÖµµçÁ÷£¬NSUC1610µÄ±£»¤µçÁ÷ÔÚ1.8A×óÓÒ£¬³¬¹ý¸ÃÖµ»á´¥·¢OCʼþ¡£

 

3. Èí¼þƪ

Q1£ºÁ¬½ÓоƬADCͨµÀµÄζȴ«¸ÐÆ÷Ôõô¼ÆËãζȣ¿

    A£ºÕⲿ·ÖÔÚÓû§ÊÖ²áÀïµÄµÚ18Õ½ÚÓÐÏêϸµÄÃèÊö¡£NSUC1610ÄÚ²¿ÓÐ2¿Åζȴ«¸ÐÆ÷£¬Ò»¿Å¿¿½üMOSFET£¬ÓÃÓÚÈȹضϱ£»¤£»ÁíÒ»¿Å¿¿½üLDO£¬ÇÒÁ¬½Óµ½Ð¾Æ¬ÄÚ²¿µÄADC¶Ë¿Ú£¬¿ÉÓÃÓÚоƬ½áÎÂʵʱζȼì²â¡£

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    Î¶ȵļÆËãÈçÏÂËùʾ£¬Í¨¹ýADCÄÚ²¿Í¨µÀ²É¼¯µ½DTVµÄÖµ£¬Í¨µÀÑ¡Ôñ¡°5¡±¡£

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    ÊÒÎÂÏ£¬12V¹©µç²»Åܵç»ú£¬²âÊÔÏÂÀ´Ò»¸öDTVÖµÊÇ125x×óÓÒ£¨Ð¾Æ¬Ö®¼ä»áÓвîÒ죩¡£

    ¸ù¾ÝÏÂÃæµÄ¹«Ê½£¨TSTºÍTSAµÄÖµÇë²ÉÓüĴæÆ÷µÄÖµ£¬ÔçÆÚ°æ±¾µÄоƬ¿ÉÄܼĴæÆ÷ÀïûÓÐtrimµÄÖµ£¬¾ÍÐèÒªÓÃĬÈϵÄÊýÖµ£©

    T[¡ãC] =£¨TST - DTV£©*£¨TSA / 4096£©[¡ãC]

    ¿ÉÒÔ¼ÆËãµÃµ½Î¶ÈֵΪ 26 ÉãÊ϶È£¬·ûºÏÔ¤ÆÚ¡£ÍƼö´úÂ룺

        if (ADC->TPSR != 0) {

            i16Temp = (ADC->TPSR_b.TST - i16TempAdc) * ADC->TPSR_b.TSA / 4096;

        } else {

            i16Temp = (0x556 - i16TempAdc) * 0x3DA / 4096;

        }

 

Q2£º¹ýѹ±£»¤ÓëǷѹ±£»¤ÈçºÎÉèÖã¿

    A£º¹ýѹ±£»¤ÓëǷѹ±£»¤ÊÇÓ²¼þ×Ô¶¯ÊµÏֵ쬯äÖйýѹ±£»¤µã²¢²»ÄÜÉèÖ㬶øÊÇоƬ¹Ì¶¨µÄ¡£Ç·Ñ¹±£»¤µãÓÐ4¸öµµÎ»¿ÉÑ¡¡£

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    ³õʼ»¯µÄ´úÂëÈçÏÂËùʾ£º

    int AMS_BVDDInit(void)

    {

        /* Set Interrupt PMU priority */

        LL_NVIC_EnableIRQ(PMU_IRQn);

        LL_NVIC_SetPriority(PMU_IRQn, 1, 1);

       

        SYSCTRL->PWRCR_b.BOF = 1;       //set the OV filter time = 0.5us

        SYSCTRL->PWRCR_b.BUF = 1;       //set the UV filter time = 0.5us

     

        SYSCTRL->PWRCR_b.BOIEN = 1;

        SYSCTRL->PWRCR_b.BUIEN = 1;

        /* Enable BVDD  OverVoltage switch-off driver */

        SYSCTRL->PWRCR_b.BOBEN = 0;

        /* Enable BVDD  UnderVoltage switch-off driver */

        SYSCTRL->PWRCR_b.BUBEN = 0;

       

        SYSCTRL->PWRCR_b.UVVTH = 3;     // BVDD UV point = 9.5V (3),  8.5V (2);   7.5V (1);  6.5V (0);

        return 0x00;

    }

    PMUµÄ´úÂëÈçÏÂËùʾ£º

    void PMU_IRQHandler(void)

    {

        uint8_t statusov = SYSCTRL->PWRCR_b.BOVST;    

        uint8_t statusuv = SYSCTRL->PWRCR_b.BUVST;    

     

        if(statusov)

        {

            faultstate.overr = 1;         //LED slow blink   1Hz

            delay_ms(500);

            GPIO->PDO_b.DO3 = 1;

            delay_ms(500);

            GPIO->PDO_b.DO3 = 0;

        }

        if(statusuv)

        {

            faultstate.uverr = 1;         //LED fast blink   5Hz

            delay_ms(100);

            GPIO->PDO_b.DO3 = 1;

            delay_ms(100);

            GPIO->PDO_b.DO3 = 0;

        }

    }

    Õâ¸öBOVSTºÍBUVST²¢²»ÐèÒªÈí¼þÈ¥Ç壬һµ©ÍⲿÌõ¼þ±ä»¯£¬»á×Ô¶¯ÖÃλ»òÕßÇå0¡£Çë×¢Òâ¹ýѹºÍǷѹɲ³µ¹¦Äܲ»½¨ÒéʹÓá£

 

Q3£ºÈçºÎ½øÈëSLEEPÄ£Ê½ÄØ£¿Ôõô»½ÐÑÄØ£¿

    A£º½øÈëSLEEPģʽ£¬ÆäʵֻÐèÒªÔËÐÐÒ»ÌõÓï¾ä¼´¿É¡£

    SYSCTRL->LPCR_b.SLEEP = 1;

    µ«SLEEPºó£¬Ã»ÓÐÆäËû°ì·¨»½ÐÑ£¬Ö»ÄÜͨ¹ýLIN»½ÐÑ¡£

    Í¨¹ýLIN»½ÐѵϰÐèÒªÅäÖÃLIN WakeupÒÔ¼°LIN breakµÄDebounceÉèÖá£

    SYSCTRL->SYSWKR_b.LINWKE = 1;        //enable LIN wake up;

    SYSCTRL->SYSWKR_b.LINDEN = 1;        //enable LIN debounce enable;

    SYSCTRL->SYSWKR_b.LINWDBC = 0;     //LIN debounce time setting = 30us;

 

Q4£ºSLEEP»½ÐѺóÈçºÎ¶Áȡ״̬±ê־Ĩ£¿

    A£ºSLEEP»½ÐѺ󣬿ÉÒÔͨ¹ý¶ÁÈ¡SYSCTRL_APMUSTR¼Ä´æÆ÷À´»ñÈ¡ÏàÓ¦µÄÐÅÏ¢¡£

    FAQ12.png

    SYSCTRL_APMUSTR µÄÃèÊöÈçÏ£º

            0:  otd_flag

            1£ºsleep_flag

            2:  ret_mode_flag

            3:  dvdd_uv_flag

            4:  avdd_uv_flag

            5:  por_res_flag

    Éϵçºó¶ÁÈ¡¸Ã¼Ä´æÆ÷¾Í¿ÉÒÔÅжÏÊǵ¥´¿µÄPOR»¹ÊÇSLEEP_FLAG+POR£¬´Ó¶ø¿ÉÒÔʵÏÖ²»Í¬µÄ¿ØÖƲßÂÔ¡£

    ÎªÁ˶ÁÈ¡Õâ¸ö¼Ä´æÆ÷£¬Óû§ÐèҪд3¸öKEY£¬Ö®ºó¾Í¿ÉÒÔ¶ÁÈ¡APMUSTR¼Ä´æÆ÷µÄÖµ¡£

    #define SYSCTRL_UNLOCK_KEY                      0x87e4

    #define SYSCTRL_TRIM_REG_UNLOCK_KEY1  0x8a3d

    #define SYSCTRL_TRIM_REG_UNLOCK_KEY2  0x19ec

    /*config sysctrl*/

    SYSCTRL->LKKEYR           = SYSCTRL_UNLOCK_KEY;

    SYSCTRL->LKKEYR           = SYSCTRL_TRIM_REG_UNLOCK_KEY1;

    SYSCTRL->LKKEYR           = SYSCTRL_TRIM_REG_UNLOCK_KEY2;

 

Q5£ºFlashµÄ²Ù×÷ÐèҪעÒâʲô£¿

    A£º1. Ç¿ÁÒ½¨ÒéFlashµÄ²Ù×÷ͨ¹ýµ÷ÓÃROMÀïµÄFlashº¯ÊýÀ´ÊµÏÖ¡£

    ROMÀïµÄFlash²Ù×÷½Ó¿Úº¯ÊýÖ»ÓÐÈý¸öº¯Êý£¨Erase Full¡¢Erase Sector ºÍ Write Page£©

    #define Write_Page   ((unsigned int (*)(unsigned int page_address, unsigned int *data_array))0x01000139)

    #define Erase_Sector ((unsigned int (*)(unsigned int sec_address))0x01000091)

    #define Erase_Flash ((unsigned int (*)(unsigned int))0x01000001) 

    Õâ3¸öº¯Êý¾Í¿ÉÒÔʵÏÖBootloaderµÈ³£¹æ¹¦ÄÜ¡£

    µ÷ÓÃÕâЩº¯ÊýµÄʱºò£¬Í¬Ê±ÐèҪȷ±£µ÷ÓÃÕâЩº¯ÊýµÄº¯ÊýÒ²·Åµ½RAMÀïÔËÐС£ÒÔÒøºÓ¼¯ÍÅgalaxybootloader³ÌÐòΪÀý£¬ota.c ¾ÍÊÇÕû¸öÎļþ¶¼·ÅÔÚRAMÀïÅܵġ£

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    Õâ¸öÉèÖÿÉÒÔͨ¹ýħ·¨°ôÀïµÄ Code/Const ÏÂÀ­Ñ¡ÏîÖÐÑ¡Ôñ ¡°IRAM1£¨0x20000000-0x20000FFF£©¡± À´ÊµÏÖ¡£Ò»µ©³É¹¦ºó£¬Äã»á·¢ÏÖProjectÀ¸Ä¿ÏÂÕû¸öota.c µÄ×óϽǶà³öÀ´Ò»¸öСͼ±ê¡£ÈçÏÂͼËùʾ¡£

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    2. Flash²Ù×÷µÄʱºòÈ·±£ÖжÏʹÄÜÊǹرյÄÒÔ¼°ÇåµôËùÓÐpendingµÄÖжÏflag£¬·ñÔò¿ÉÄܵ¼Ö½øÈëµ½ÖжϺ¯Êý£¬¶øÈç¹ûÖжϺ¯ÊýÔÚFlashÖеϰ¾Í»áµ¼ÖÂHardfault¡£

 

Q6£ºÎªÊ²Ã´ÎҵŤ³Ì´úÂë»áĪÃûÆäÃîµÄRESET£¿

    A£ºÊ¹ÓÃÒøºÓ¼¯ÍÅgalaxyµÄÀý³Ì£¬Èç¹ûÓû§³öÏÖÁËĪÃûÆäÃîµÄRESETÏÖÏó£¬Ç뿼ÂÇstack²»¹»ÒýÆðµÄÎÊÌâ¡£

    ÀýÈçµ±Óû§¶îÍâÉèÖÃÁ˽ϴóµÄÊý×é±äÁ¿£¬¶østackµÄĬÈÏÖµÊÇ 0x100µÄ»°¾Í»á³öÏÖstack²»¹»µÄ³¡¾°¡£Õâ¸öʱºò»á³öÏÖresetµÄÎÊÌâ¡£

    ½â¾öµÄ°ì·¨ÊÇÔö´óStack»òÕß¼õÉÙ¾Ö²¿±äÁ¿µÄ³¤¶È£¬±ÈÈ罫0x100Ôö´óµ½0x400¡£

    Õâ¸öÐÞ¸ÄÊÇÔÚstartup_nsuc1610.lstÎļþÀï½øÐУ¬ÈçÏÂͼËùʾ£º

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    EQU        0x00000100         ¸Ä³É  EQU        0x00000400 ¼´¿É¡£       

 

Q7£ºÔÚKeilÀïÈçºÎ½«Ä³¸ö.cÎļþ·Åµ½RAMÀïÃæÔËÐУ¿

    A£ºÇë²Î¿¼Q5µÄ´ð°¸£¬¿ÉÒÔͨ¹ýħ·¨°ô¹¤¾ßÖ±½ÓÖÆ¶¨Ìض¨µÄ.cÎļþµ½RAMÖм´¿É¡£

 

Q8£ºNSUC1610¹ýÎÂÓ²¼þ±£»¤ÈçºÎ¿ªÆô£¿

    A£ºNSUC1610¹ýÎÂÓ²¼þ±£»¤ÐèÒªÈí¼þÅäÖúó²Å»á¿ªÆô£¬²Î¿¼´úÂëÈçÏ£º

    SYSCTRL->PWRCR_b.TSF   = 0;

    SYSCTRL->PWRCR_b.TSREN = 1;



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