Ê¶Ò»ÑµÂ¡ÃÃÁ¢Í§ 68HC11

ÅÑ¡É³Ðâ´Â·ÑèÇä»¢Í§äÁâ¤Ã¤Í¹â·ÃÅàÅÍÃì 68HC11

ÊèÇ¹»ÃÐ¡ÍºËÅÑ¡¢Í§ äÁâ¤Ã¤Í¹â·ÃÅàÅÍÃì M68HC11 ÁÕ´Ñ§µèÍä»¹Õé

Ë¹èÇÂ»ÃÐÁÇÅ¼Å¡ÅÒ§ (CENTRAL PROCESSING UNIT)

Ë¹èÇÂ¤ÇÒÁ¨Ó (MEMORY)

µÃÐ¡ÙÅ¢Í§ 68HC11 áµ¡µèÒ§¡Ñ¹â´Âà·¤â¹âÅÂÕ¢Í§Ë¹èÇÂ¤ÇÒÁ¨Ó àªè¹ 68HC711E9 à»ç¹µÑÇáÃ¡ ·ÕèÃÇÁ EPROM áÅÐ EEPROM ÍÂÙèÀÒÂã¹ à·¤â¹âÅÂÕ¢Í§Ë¹èÇÂ¤ÇÒÁ¨ÓÁÕ´Ñ§µèÍä»¹Õé

¡ÒÃÊ×èÍÊÒÃáººÍ¹Ø¡ÃÁ (SERIAL COMMUNICATIONS)

ÁÕÊèÇ¹¢Í§¡ÒÃµÔ´µèÍÊ×èÍÊÒÃ¢éÍÁÙÅ¼èÒ¹·Ò§¾ÍÃìµÍ¹Ø¡ÃÁ 2 ÊèÇ¹¤×Í ÊèÇ¹Ê×èÍÊÒÃ¢éÍÁÙÅÍ¹Ø¡ÃÁ (Serial Communication Interface : SCI) áÅÐÊèÇ¹àª×èÍÁµèÍÍØ»¡Ã³ìÍ¹Ø¡ÃÁ (Serial Peripheral Interface : SPI) â´Â SCI ¨ÐÁÕÃÙ»áººã¹ÅÑ¡É³Ð¿ÙÅ´Ùà¾Å¡«ì áººÍÐ«Ô§â¤Ã¹ÑÊµÒÁÁÒµÃ°Ò¹ NRZ ÊèÇ¹ SPI à»ç¹¡ÒÃàª×èÍÁµèÍÍØ»¡Ã³ìã¹ÅÑ¡É³Ð¿ÙÅ´Ùà¾Å¡«ìáºº«Ô§â¤Ã¹ÑÊ â´ÂÁÕ¡ÒÃáÂ¡¡Ñ¹ÃÐËÇèÒ§ÊÒÂÊÑÒ³¢éÍÁÙÅ áÅÐÊÒÂÊÑÒ³¹ÒÌÔ¡Ò ÍØ»¡Ã³ì·Õèàª×èÍÁµèÍàªè¹

               - Ç§¨Ãà»Å×èÂ¹ÊÑÒ³¨Ò¡áÍ¹ÒÅçÍ¡à»ç¹´Ô¨ÔµÍÅ
               - Liquid Crystal Display (LCD) Dirvers
               - äÁâ¤Ãâ»Ãà«Êà«ÍÃìµÑÇÍ×è¹æ

LOW POWER OPERATION

»¡µÔÃÐººäÁâ¤Ã¤Í¹â·ÃàÅÍÃì¨ÐµéÍ§ãªé¡ÓÅÑ§ä¿¿éÒÊÙ§¾ÍÊÁ¤ÇÃ áµè¡çÁÕºÒ§¤ÃÑé§·Õè µÑÇªÔ»äÁâ¤Ã¤Í¹â·ÃàÅÍÃìäÁè¨Óà»ç¹µéÍ§·Ó§Ò¹ÁÒ¡ áµè¡ÒÃ¨èÒÂ¡ÓÅÑ§ä¿¿éÒÂÑ§¤§¨èÒÂàµçÁ·Õè ¡èÍãËéà¡Ô´ ¡ÒÃÊÔé¹à»Å×Í§¾ÅÑ§§Ò¹ ã¹ 68HC11 ¨Ö§à¡Ô´âËÁ´¡ÒÃ·Ó§Ò¹áºº»ÃÐËÂÑ´¾ÅÑ§§Ò¹ à¾×èÍãËéÃÐºº¡Ô¹ ¡ÓÅÑ§ä¿¿éÒÅ´Å§ã¹ÀÒÇÐ·ÕèäÁèä´é·Ó§Ò¹ ËÃ×Í·Ó§Ò¹¹éÍÂÅ§

                ¡ÒÃ·ÓãËé·Ó§Ò¹ã¹âËÁ´»ÃÐËÂÑ´¾ÅÑ§§Ò¹ ¨ÐÁÕ¤ÓÊÑè§ÍÂÙè 2 ¤ÓÊÑè§·Õè¤Çº¤ØÁãËé·Ó§Ò¹¤×Í
                WAIT : àÁ×èÍ·Ó¤ÓÊÑè§¹Õé ¨Ð·Ó§Ò¹ã¹âËÁ´»ÃÐËÂÑ´¾ÅÑ§§Ò¹ ÀÒÇÐ¢Í§¡ÒÃ·Ó§Ò¹·Õè¤éÒ§ÍÂÙè¨Ð¶Ù¡à¡çº äÇéã¹Êáµç¡áÅÐÊèÇ¹¡ÒÃ àÍç¡«Õ¤ÔÇµìâ»Ãá¡ÃÁ¨ÐËÂØ´¡ÒÃ·Ó§Ò¹ àÃÕÂ¡ÀÒÇÐ·Õèà¡Ô´ãËÁè¹ÕéÇèÒÀÒÇÐÃÍ¤ÍÂ (Wait State)
                STOP : ÊÑÒ³¹ÒÌÔ¡Ò·Ñé§ËÁ´ µÅÍ§¨¹Ç§¨ÃÍÍÊ«ÔÅàÅàµÍÃìÀÇÂã¹ªÔ»¨ÐËÂØ´¡ÒÃ·Ó§Ò¹ ·ÓãËé¡ÃÐºÇ¹¡ÒÃ·Ó§Ò¹µèÒ§æËÂØ´µÒÁä»´éÇÂ
                àÃÒÊÒÁÒÃ¶ÍÍ¡¨Ò¡âËÁ´»ÃÐËÂÑ´¾ÅÑ§§Ò¹¹Õéä´éâ´Â¡ÒÃ ÍÔ¹àµÍÃìÃÑ»µì ËÃ×Í¡ÒÃÃÕà«µÃÐºº

µÑÇµÑé§àÇÅÒ·ÕèÁÕ»ÃÐÊÔ·¸ÔÀÒ¾ÊÙ§ (HIGH PERFORMANCE TIMER)

              1. µÑÇµÑé§àÇÅÒâ»Ãá¡ÃÁä´é (Programmable Timer) ÁÕÊèÇ¹»ÃÐ¡Íº·ÕèÊÓ¤Ñ¤×Í
                     - Free Running Counter ÁÕÃÕ¨ÕÊàµÍÃì 16 ºÔµ à»ç¹µÑÇ¹ÑºàÇÅÒ
                     - Input Capture ÁÕ 3 ÍÔ¹¾ØµÊÓËÃÑº·Ó¡ÒÃºÑ¹·Ö¡ËÃ×Íà¡çº¤èÒàÁ×èÍÍÔ¹¾Øµà¡Ô´¡ÒÃà»Å×èÂ¹á»Å§
                     - Output Compare ÁÕ 5 àÍÒ·ì¾ØµÊÓËÃÑº·ÓË¹éÒ·Õèà»ÃÕÂºà·ÕÂºÊÑÒ³ Output
              2. Real Time Interrupt à»ç¹ÃÐÐºº¡ÒÃÍÔ¹àµÍÃìÃÑ»µì·ÕèÁÕªèÇ§àÇÅÒ¡ÒÃà¡Ô´·Õè¤§·Õèá¹è¹Í¹ áÅéÇáµèÇèÒ¨ÐãËéà¡Ô´¡ÒÃÍÔ¹àµÍÃìÃÑ»µìã¹ªèÇ§àÇÅÒãË¹ÊÒÁÒÃ¶ ·Õè¨Ð¡ÓË¹´ÍÑµÃÒàÇÅÒ·ÕèãËéà¡Ô´¡ÒÃÍÔ¹àµÍÃìÃÑ»µìä´é
              3. Pulse Accumulator ¤×ÍµÑÇ¹Ñº·ÕèÊÒÁÒÃ¶ÍèÒ¹áÅÐà¢ÕÂ¹¢éÍÁÙÅä´é¢¹Ò´ 8 ºÔµ
              4. Watch Dog à¾×èÍ»éÍ§¡Ñ¹¤ÇÒÁ¼Ô´¾ÅÒ´¢Í§ Software

Ç§¨Ãá»Å§ÊÑÒ³áÍ¹ÒÅçÍ¡à»ç¹´Ô¨ÔµÍÅ (A/D SYSTEM)

ÁÕÇ§¨Ãá»Å§ÊÑÒ³áÍ¹ÒÅçÍ¡à»ç¹´Ô¨ÔµÍÅ ¢¹Ò´ 8 ºÔµ áÅÐ12ºÔµ ¨Ó¹Ç¹ 8-12ªèÍ§ «Öè§ÊÒÁÒÃ¶ â»Ãá¡ÃÁà¾×èÍ·Ó§Ò¹ä´é·Ñé§¡ÒÃà»ÅÕèÂ¹ã¹ Single Mode áÅÐ Continuous Mode ã¹»Ñ¨¨ØºÑ¹¹ÕéÊÒÁÒÃ¶à¾ÔèÁÇ§¨Ã á»Å§ÊÑÒ³¨Ò¡´Ô¨ÔµÍÅà»ç¹áÍ¹ÒÅçÍ¡´éÇÂ

PULSE WIDTH MODULATION

ÁÕ PLUSE WIDTH MODULATION (PWM) à¾×èÍãªéÊÓËÃÑº¡ÒÃ»ÃÐÂØ¡µìãªéÍÂèÒ§ÁÒ¡ â´ÂÁÕ¶Ö§ 6 ªèÍ§«Öè§ ÊÒÁÒÃ¶àÅ×Í¡ãªéã¹¡ÒÃÊÃéÒ§ waveforms ·ÕèµèÍà¹×èÍ§ ÊÒÁÒÃ¶â»Ãá¡ÃÁ rate ä´é áÅÐÁÕ software ·ÕèÊÒÁÒÃ¶ àÅ×Í¡ duty cycle ä´éµÑé§áµè 0 ¶Ö§ 100%

MEMORY MANAGEMENT AND CHIP SELECTS

68HC11K4 áÅÐ 68HC11CO à»ç¹ÊÍ§µÑÇ·ÕèÁÕ Memory Expansion Logic ÁÕ Memory Management Units (MMU) ·ÕèÊÃéÒ§ address lines à¾ÔèÁ«Öè§¨Ðà¡Ô´¢Öé¹àÁ×èÍ CPU µéÍ§¡ÒÃà·èÒ¹Ñé¹ Chip Select Block ¨ÐãËé ÊÑÒ³ ·Õè·ÓãËé àª×èÍÁµèÍÍØ»¡Ã³ìÀÒÂ¹Í¡ä´é§èÒÂ¢Öé¹

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