µç¹¤Ñ§Ï°Íø

ÕÒ»ØÃÜÂë
Á¢¼´×¢²á

LPC2000ϵÁÐARM UART1

2015-3-23 09:15|±à¼­:µç¹¤Ñ§Ï°Íø|²é¿´:8698|ÆÀÂÛ: 0

ÌØÐÔ
UART1ÓëUART0»ù±¾¹¦ÄÜÏàͬ£¬µ«ÊÇÔö¼ÓÁËÒ»¸öµ÷Öƽâµ÷Æ÷(Modem)½Ó¿Ú¡£ËùÒÔUART1¾ßÓÐUART0µÄËùÓÐÌØÐÔ¡£
16×Ö½Ú½ÓÊÕFIFOºÍ16×Ö½Ú·¢ËÍFIFO£»
¼Ä´æÆ÷λÖ÷ûºÏ16C550¹¤Òµ±ê×¼£»
½ÓÊÕFIFO´¥·¢µã¿ÉÉèÖÃΪ1¡¢4¡¢8»ò14×Ö½Ú£»
ÄÚÖò¨ÌØÂÊ·¢ÉúÆ÷¡£
ʹÓÃUART1ͨÐÅ
UART1¾ßÓÐÒ»¸ö±ê×¼µÄModem½Ó¿Ú£¬ÕâЩÒý½ÅΪ£º

ͨ¹ýPINSEL0¼Ä´æÆ÷ÉèÖÃÀ´¾ö¶¨ÊÇ·ñʹÓÃUART1µÄModem½Ó¿Ú£¬µ±Ê¹ÓÃModem½Ó¿Úʱ£¬ÐèÒªÒ»¸öRS232ת»»Æ÷½«ÐźÅת»»ÎªRS232µçƽºó£¬²ÅÄÜÓëModemÁ¬½Ó¡£Èç¹û²»Ê¹ÓÃModem½Ó¿Ú¹¦ÄÜ£¬UART1ÓëUART0µÄ²Ù×÷ÊÇÒ»Ñù£¬ÄÇôÆäËüµÄ½Ó¿Ú¿É×÷ΪGPIOʹÓá£
UART1¼Ä´æÆ÷ÃèÊö
UART1°üº¬12¸ö8λ¼Ä´æÆ÷£¬ÆäÖд󲿷ּĴæÆ÷ÓëUART0ÀàËÆ£¬ËùÒÔ½ö½éÉܲ»Í¬Ö®´¦¡£
UART1¼Ä´æÆ÷ÃèÊö
¡ª¡ªÖжÏʹÄܼĴæÆ÷
UART1¼Ä´æÆ÷ÃèÊö
¡ª¡ªModem¿ØÖƼĴæÆ÷
¸Ã¼Ä´æÆ÷ʹÄÜModemµÄ»Øдģʽ£¬²¢¿ØÖÆModemµÄÊä³öÐźš£
UART1¼Ä´æÆ÷ÃèÊö
¡ª¡ª»Øдģʽ
ÔÚModem»ØдģʽÏ£¬·¢ËÍÆ÷Êä³öµÄ´®ÐÐÊý¾ÝÔÚÄÚ²¿Á¬½Óµ½½ÓÊÕÆ÷µÄ´®ÐÐÊäÈë¶Ë¡£ÊäÈë½ÅRxD1¶Ô»ØдģʽÎÞÓ°Ï죬Êä³ö½ÅTxD1±£³Ö×ÜΪ1µÄ״̬¡£ 4¸ömodemÊäÈ루CTS, DSR, RIºÍDCD£©ÓëÍⲿ¶Ï¿ª£¬²¢ÔÚÄÚ²¿Óë4¸ömodemÊäÈëÁ¬½Ó¡£ÕâÑùÁ¬½ÓµÄ½á¹ûÊÇU1MSRµÄ¸ß4λÓÉU1MCRµÄµÍ4λÇý¶¯¡£ÕâÑùÔÚ»ØдģʽÏ£¬Ð´U1MCRµÄµÍ4λ¾Í¿É²úÉúmodem״̬Öжϡ£
UART1¼Ä´æÆ÷ÃèÊö
¡ª¡ªModem״̬¼Ä´æÆ÷
¸Ã¼Ä´æÆ÷Ϊֻ¶Á£¬Ëü·´Ó³ModemÊäÈëÐźŵÄ״̬ÐÅÏ¢¡£ÐèҪעÒâµÄÊÇ£¬MdoemÐźŶÔUART1µÄ²Ù×÷ûÓÐÖ±½ÓÓ°Ï죬ModemÐźŵIJÙ×÷ÊÇͨ¹ýÈí¼þÀ´ÊµÏֵġ£

¿´¹ý¡¶LPC2000ϵÁÐARM UART1¡·µÄÈË»¹¿´ÁËÒÔÏÂÎÄÕÂ:

·¢±íÆÀÂÛ

×îÐÂÆÀÂÛ

  • ǶÈëʽ¿ª·¢µ½µ×ÊÇ×öʲôµÄ£¿
  • FPGAоƬ½á¹¹
  • FPGA¹¤×÷Ô­Àí
  • ǶÈëʽѧϰ·½·¨ÓëÐĵÃ
  • ǶÈëʽÈí¼þ¹¤³Ìʦ±ØÐëÒªÕÆÎÕÄÄЩ֪ʶ
  • ǶÈëʽϵͳ¿ª·¢µÄ¿É¿¿ÐÔÉè¼Æ
ÈȵãÎÄÕÂ

µç¹¤Ñ§Ï°Íø()

GMT+8, 2021-12-6 20:44

Powered by © 2011-2021www.shop-samurai.com°æȨËùÓÐÃâÔðÉùÃ÷²»Á¼ÐÅÏ¢¾Ù±¨

¼¼ÊõÇý¶¯Î´À´!µç¹¤Ñ§Ï°Íø¡ª×¨Òµµç¹¤»ù´¡ÖªÊ¶¡¢µç¹¤¼¼ÊõѧϰÍøÕ¾¡£

À¸Ä¿µ¼º½£º¹¤¿Ø¼ÒÔ°|ÈýÁâplc|Î÷ÃÅ×Óplc|Å·Ä·Áúplc|plcÊÓƵ½Ì³Ì

·µ»Ø¶¥²¿