²»ÐàÇéÔµ¹ÙÍø

ÐÂÎŶ¯Ì¬
NEWS FEED
ÄúÏÖÔÚµÄλÖãº
Ê×Ò³
-
-
-
¹ØÓÚLPC55S6x/LPC55S2xϵÁÐADCͨµÀÃüÃûµÄÒÉ»óÓë½âÊÍ

¹ØÓÚLPC55S6x/LPC55S2xϵÁÐADCͨµÀÃüÃûµÄÒÉ»óÓë½âÊÍ

  • ·ÖÀࣺÆóÒµÐÂÎÅ
  • ×÷ÕߣºÑîÎõ@NXP
  • À´Ô´£º¶÷ÖÇÆÖMCU¼ÓÓÍÕ¾
  • Ðû²¼Ê±¼ä£º2022-09-29 22:42
  • »á¼ûÁ¿£º

¡¾ÌáÒªÃèÊö¡¿×î½üÔÚÖ§³Ö¿Í»§µÄʱºò·¢Ã÷LPC55S6x/LPC55S2xϵÁУ¬²¿·ÖÐͺŵÄADCͨµÀÃüÃûÉÏÓеãÈÆ£¬ADCµÄÃû³ÆºÍADCµÄͨµÀºÅ²¢²î³ØÓ¦¡£ºÃ±È£ºÒ»¸öÃû×Ö½ÐADC0_8µÄADCͨµÀ£¬Èí¼þÖÐÓ¦¸Ãʵ¼ÊÉèÖõÄͨµÀºÅΪ0¡£(¼û£ºhttps://blog.csdn.net/k331922164/article/details/103780858)ÁíÍâLPC5500ϵÁл¹±£´æsideA sideBͨµÀÑ¡ÔñµÄÎÊÌ⣬¼ÓÔÚÒ»ÆðȷʵÈÃÐÂÉÏÊÖµÄÓû§Óеãã¡£ ÕâƪСÎľͼ¯ÖлðÁ¦½â¾öÕâ¸öÎÊÌâ¡£

¹ØÓÚLPC55S6x/LPC55S2xϵÁÐADCͨµÀÃüÃûµÄÒÉ»óÓë½âÊÍ

¡¾ÌáÒªÃèÊö¡¿×î½üÔÚÖ§³Ö¿Í»§µÄʱºò·¢Ã÷LPC55S6x/LPC55S2xϵÁУ¬²¿·ÖÐͺŵÄADCͨµÀÃüÃûÉÏÓеãÈÆ£¬ADCµÄÃû³ÆºÍADCµÄͨµÀºÅ²¢²î³ØÓ¦¡£ºÃ±È£ºÒ»¸öÃû×Ö½ÐADC0_8µÄADCͨµÀ£¬Èí¼þÖÐÓ¦¸Ãʵ¼ÊÉèÖõÄͨµÀºÅΪ0¡£(¼û£ºhttps://blog.csdn.net/k331922164/article/details/103780858)ÁíÍâLPC5500ϵÁл¹±£´æsideA sideBͨµÀÑ¡ÔñµÄÎÊÌ⣬¼ÓÔÚÒ»ÆðȷʵÈÃÐÂÉÏÊÖµÄÓû§Óеãã¡£
ÕâƪСÎľͼ¯ÖлðÁ¦½â¾öÕâ¸öÎÊÌâ¡£

  • ·ÖÀࣺÆóÒµÐÂÎÅ
  • ×÷ÕߣºÑîÎõ@NXP
  • À´Ô´£º¶÷ÖÇÆÖMCU¼ÓÓÍÕ¾
  • Ðû²¼Ê±¼ä£º2022-09-29 22:42
  • »á¼ûÁ¿£º
ÏêÇé

×î½üÔÚÖ§³Ö¿Í»§µÄʱºò·¢Ã÷LPC55S6x/LPC55S2xϵÁУ¬²¿·ÖÐͺŵÄADCͨµÀÃüÃûÉÏÓеãÈÆ£¬ADCµÄÃû³ÆºÍADCµÄͨµÀºÅ²¢²î³ØÓ¦¡£ºÃ±È£ºÒ»¸öÃû×Ö½ÐADC0_8µÄADCͨµÀ£¬Èí¼þÖÐÓ¦¸Ãʵ¼ÊÉèÖõÄͨµÀºÅΪ0¡£(¼û£ºhttps://blog.csdn.net/k331922164/article/details/103780858)

ÁíÍâLPC5500ϵÁл¹±£´æsideA sideBͨµÀÑ¡ÔñµÄÎÊÌ⣬¼ÓÔÚÒ»ÆðȷʵÈÃÐÂÉÏÊÖµÄÓû§Óеãã¡£
ÕâƪСÎľͼ¯ÖлðÁ¦½â¾öÕâ¸öÎÊÌâ¡£

 

LPC55S6x/LPC55S2xϵÁÐADC

LPC5500ϵÁеÄADCÓµÓÐ16λ¸ßÇø·ÖÂÊ£¬ËùÓÐLPC55S6x/LPC55S2xϵÁеÄADC¶¼Ê¹ÓÃÏàͬµÄADCÄ£¿é¡£

ÆäÖ÷ÒªÌصãÓУº
  • ²î·Öģʽ֧³Ö16λ»ò13λÇø·ÖÂÊ.

  • µ¥¶Ëģʽ֧³Ö16λ»òÕß12λÇø·ÖÂÊ¡£

  • ×î¶àÖ§³Ö10¸öÄ£ÄâÒý½ÅÊäÈë

  • ¿ÉÑ¡ÔñµÄADC²Î¿¼Ô´£¬¿ÉÒÔÑ¡ÔñVDDA»òÕßVREFP¡£

  • ÿһ¸öADCͨµÀ¶¼ÓµÓÐ16¸öcommand buffer, ¿ÉÒÔÉèÖÃÑ¡Ôñij¼¸¸öͨµÀ×é³ÉÒ»¸ösequence½øÐÐͨµÀת»»É¨Ãè¡£

ÉÏͼÊÇADCÄ£¿éµÄ¹¦Ð§¿òͼ£¬ÕâÀïÖصã˵Ã÷Ï»­ºì¿òµÄ²¿·Ö£ºÃ¿¸öADCÂß¼­Í¨µÀÒý³öÁËAºÍBÁ½¸ö¸´Óö˿Ú£¬»®·Ö¶ÔÓ¦²î·ÖģʽµÄÁ½¸öÊäÈë¶Ë£¬µ±Ê¹Óõ¥¶Ëģʽʱ£¬Ôò¿ÉÒÔÈí¼þÅäÖõ½Á½¸ö²î±ðµÄÒý½Å£¬»ñµÃÁ½¸öÊäÈë¶Ë¡£ÕâÁ½¸ö¸´Óö˿ڻ®·Ö³Æ֮ΪA side Mux »òÕß B side mux£¬ÕâÑù¿ÉÒÔ´ó´óÔöÇ¿ADCµÄÁé»îÐÔ£¬Ê¹¸ü¶àµÄÒý½Å¿ÉÒÔÅäÖÃΪADC¹¦Ð§¡£

ºÃ±ÈPIO0_16Òý½Å¾Í¿ÉÒÔÅäÖÃΪADC0µÄCH0B(ADC0Ä£¿é£¬ADCÂß¼­Í¨µÀ0£¬¸´ÓÃΪB side)¡£ÕâÑù£¬ÔÚSDKÖУ¬ÏëÊÕÂÞPIO0_16Òý½ÅÉϵĵçѹ£¬¾Í¿ÉÒÔ½«PIO0_16Òý½ÅÉèÖÃΪģÄâÊäÈ빦Ч£¬²¢ÇÒADCµÄCH0ÅäÖÃΪ¸´ÓÃB side, È»ºó¿ªÊ¼×ª»»ADC0µÄͨµÀ0¾Í¿ÉÒÔÁË¡£
Èç¹ûÕâÑù˳ÀûµÄ»°£¬ÕâƪÎÄÕÂʵ¼ÊÉÏҲûÓб£´æµÄÐëÒªÁË£¬¿ÉÊÇÓиöСÎÊÌâµÄ¾ÍÊÇÊÖ²áµÄÃüÃûÎÊÌ⣺ÕÕ¾ÉÒÔPIO0_16Òý½ÅΪÀý£¬ÎÒÃÇÀ´¿´¿´DS(Êý¾ÝÊÖ²á)ºÍUM(Óû§ÊÖ²áÓйصÄÃèÊö):

¿´µ½ÁË°É£¬ÕâÀïÔõôƾ¿Õ¶à³öÀ´Ò»¸öADC0_8 ?? ÊÇADC0 ͨµÀ8ô£¿Êµ¼ÊÉϲ»ÊǵÄ¡£

Ç°ÃæÌᵽÿ¸öADCÂß¼­Í¨µÀ¶¼ÊÇË«ÊäÈë¶Ë£¬¼´A¶ËºÍB¶Ë¡£ÔÚÃüÃûÉÏËùÓÐͨµÀµÄA¶Ë¶¼ÊÇ°´Í¨µÀºÅÂë±àÅÅ£¬¼´ADC0_0¶ÔӦͨµÀ0µÄA¶Ë£¬ADC0_1¶ÔӦͨµÀ1µÄA¶Ë£»¶øËùÓÐͨµÀµÄB¶Ë£¬ÔòÔÚA¶Ë±àºÅÖ®ºóÔÙ°´Ë³Ðò±àÅÅ£¬¼Ù¶¨ADC0ÓÐ8¸öͨµÀ(ʵ¼ÊÖ»ÓÐ5¸öͨµÀ£¬Ô¤Áô±àºÅ¿Õ¼äΪºóÐøϵÁеļæÈÝÐÔ)£¬ÔòͨµÀ0µÄB¶Ë£¬¾Í¶ÔÓ¦ADC0_8£¬Í¨µÀ1µÄB¶Ë¾ÍÊÇADC0_9£¬ÒÔ´ËÀàÍÆ¡£

Òò´Ë£¬PIO0_16ʵ¼ÊÉϾÍÊǸ´ÓÃΪADC0 CH0B(ADC0Ä£¿é£¬ADCͨµÀ0£¬¸´ÓÃside B)¡£¸÷ÈËǧÍò²»ÒªÒÔΪPIO0_16ΪADC0ͨµÀ8£¬Ð¡±àÒ»¿ªÊ¼ÅäÖõÄʱºò¾ÍÒÔΪÊÇͨµÀ8£¬½á¹ûÔõôµÃ²»µ½ÕýÈ·µÄ½á¹û¡£

ADCµÄÆäËûÒý½ÅÒ²¿ÉÒÔÒÀÕÕÕâ¸öÀý×Ó£¬Ö÷Òª²»Òª±»Õâ¸ö”´úºÅ”ÃÔ»ó¾ÍºÃ¡£ÕâÀï¸ø³öËùÓÐDSºÍUMÖÐÓйØADCÒý½Å·ÖÅɵÄÃèÊöλÖ㬱㵱¸÷È˲éÔÄ£º

DS: 6. Pinning information ÖеÄTable3: pin assignment ±í£¬ÁоÙÁËÿ¸öÒý½ÅµÄ¸´Óù¦Ð§¡£

UM: Table 704. ADC Inputs Selection &ADC programming: ÒÔADCͨµÀΪµÚÒ»ÁÐÁоÙËùÓÐADCͨµÀ¶ÔÓ¦µÄ¸´ÓÃÒý½Å¡£

 

¹Ø×¢²»ÐàÇéÔµ¹ÙÍøÍøÕ¾¼°Î¢ÐÅÃñÖںţ¬Á˽â NXP MCU¸ü¶àÐÅÏ¢.

Òªº¦´Ê£º

ɨ¶þάÂëÓÃÊÖ»ú¿´

Ïà¹ØÐÂÎÅ

20¶àÄêרע°ëµ¼Ìå

Ϊº£ÄÚ¸÷ÐÐÒµ¿í´óÓû§Ìṩ¸ßÆ·ÖʵÄNXP°ëµ¼Ìå²úÆ·

SINCE 1997

 ÎªÄúÁ¿Éí¶¨Öƽâ¾ö¼Æ»®

Verification ¾©ICP±¸2022014495ºÅ-2

Copyright ? 2022  ²»ÐàÇéÔµ¹ÙÍø  All rights reserved      

SEO±êÇ©   ÍøÕ¾½¨É裺ÖÐÆó¶¯Á¦  ±±¾©

ÍøÕ¾µØͼ