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    2011.05.12
  • Á¦¡¡¸ñAMBA 3.0
  • ÀÛ¼ºÀڽűâ¼ú¿¬±¸°³¹ßÆÀ ¸ÞÀϹ߼Û
AMBA(Advanced Microcontroller Bus Architecture)¶õ ARMÇÁ·Î¼¼¼­¿¡ »ç¿ëµÇ´Â ¿Â Ĩ(On -Chip)¹ö½º ¾ÆÅ°ÅØó ¹ö½º 

Åë½Å ¹æ½ÄÀÇ ±Ô°ÝÀÔ´Ï´Ù. 

BusÅë½Å ¹æ½Ä°ú ÀÌ°ÍÀ» Áöų ¼ö ÀÖ°Ô ÇØÁÖ´Â °ÍÀÌ ÇÊÈ¿Çѵ¥ ÀÌ°ÍÀ» Bus Interface¶ó°í ºÎ¸£°í ÀÌ Interface´Â Bus¿¡¼­

µ¥ÀÌÅ͸¦ ¾î¶»°Ô Àü¼ÛÇÒ °ÍÀΰ¡¸¦ controlÇØÁÝ´Ï´Ù.

AMBA¿¡¼­´Â ÀÌ Interface°¡ ¼¼°¡Áö Á¸ÀçÇϴµ¥ AHB,APBÀÔ´Ï´Ù. À̹ø AMBA 3.0¿¡¼­´Â ÀÌ ¼¼°¡Áö »Ó¸¸ ¾Æ´Ï¶ó

AXI°¡ »õ·ÎÀÌ Ãß°¡µÇ¾ú½À´Ï´Ù. 

AMBAÀÇ ±¸¼ºÀº À§ÀÇ ¼¼°¡Áö(AHB,APB,AXI)¸¦ ÀǹÌÇÏ´Â °ÍÀÔ´Ï´Ù.

AHB(Advanced High Performance Bus) -    ¸ÖƼ Ç÷¹½º ¹ö½º ±â¹ÝÀ¸·Î µ¥ÀÌÅ͸¦ Àü¼ÛÇÒ¶§ ¿©·¯°³ÀÇ ¹ö½º¸¦ È°¼ºÈ­ ½ÃÄѼ­

                                                             µ¥ÀÌÅ͸¦ Àü¼ÛÇÏ°í Çѹø¿¡ ¸¹Àº ¾çÀÇ µ¥ÀÌÅ͸¦ Àü¼ÛÇÏ´Â Burst ModeÀÇ Data

                                                             Àü¼Û À» ÀÌ¿ëÇÏ°í AMBA 3.0¿¡¼­´Â AHB lite¶ó´Â ÇÏÀ§¼ÂÀ¸·Î ÇϳªÀÇ ¹ö½º¸¦ ³ªÅ¸³¿

                                                             µ¿½Ã¿¡ ¿©·¯°³ÀÇ ¹ö½º¸¶½ºÅ͸¦ È°¼ºÈ­ ½ÃÅ°´Â MULTI-LAYER AHB¿Í 
                                                             
                                                             ÇϳªÀÇ ¹ö½º ¸¶½ºÅ͸¸ È°¼ºÈ­ ½ÃÅ°´Â AHB lite ·Î ³ª´­ ¼ö ÀÖÀ½

                          
APB(Advanced Peripheral Bus) -          ºü¸£Áö ¾ÊÀº Àü¼Û¼Óµµ¸¦ ¿ä±¸ÇÏ´Â ÁÖº¯ÀåÄ¡µé¿¡ ¿¬°áÇÒ ¶§ »ç¿ëÇÏ´Â ¹æ½Ä

AXI(Advanced eXtensible Interface) -  Burst ±â¹ÝÀ¸·Î ÀÌ·ç¾îÁ³À¸¸ç write response channel( ready¿Ü ½ÅÈ£´Â ÇÑ 

                                                      ¹æÇâÀ¸·Î È帣°ÔÇؼ­ ¼³°èÀÇ º¹Àâµµ¸¦ ÁÙÀÓ) Ãß°¡ ÇÏ¿´°í read/write°¡ 

                                                      µ¿½Ã¿¡ °¡´ÉÇÏ°í ½ÃÀÛ ÁÖ¼Ò¸¸À¸·Îµµ Burst Transfer°¡ °¡´ÉÇÑ °í¼Óµ¿ÀÛÀ» 

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