arm7ÄÚºËÊÇ0.9MIPS/MHzµÄÈý¼¶Á÷Ë®Ïߺͷ롤ŵÒÁÂü½á¹¹; arm9ÄÚºËÊÇ5¼¶Á÷Ë®Ïß,Ìṩ1.1MIPS/MHzµÄ¹þ·ð½á¹¹¡£ arm7ûÓÐMMU,arm720TÊÇMMUµÄ ,arm9Ö÷Òª°üÀ¨arm9TDMIºÍarm9E-SµÈϵÁÐarm9ÊÇÓÐMMUµÄ,arm940TÖ»ÓÐMemory protection unit.²»ÊÇÒ»¸öÍêÕûµÄMMU¡£ arm9µÄʱÖÓƵÂʱÈarm7¸ü¸ß,²ÉÓùþ·ð½á¹¹Çø·ÖÁËÊý¾Ý×ÜÏߺÍÖ¸Áî×ÜÏß, arm7´¦ÀíÆ÷²ÉÓÃ3¼¶Á÷Ë®Ïߣ¬¶øarm9²ÉÓÃ5¼¶Á÷Ë®Ïߣ¬ 5¼¶Á÷Ë®ÏßÄܹ»½«Ã¿Ò»¸öÖ¸Áî´¦Àí·ÖÅäµ½5¸öʱÖÓÖÜÆÚÄÚ£¬ÔÚÿһ...
by k_ewell - LinuxÎĵµ×¨Çø - 2009-02-19 16:27:48 ÔĶÁ£¨835£© »Ø¸´£¨0£©
±¾ÎÄÊÇд¸ø×¼±¸Ñ§Ï°arm¼¼Êõ£¬¶øÓÖûÏëºÃҪѧarm7»¹ÊÇarm9»òÕ߶Ôarm7Óëarm9µÄÇø±ð²»ÊǺÜÁ˽âµÄ³õѧÕß¡£Ï£Íû±¾ÎĶÔÄãÃÇÓеãÓô¦¡£ ÓÉÓÚÖ°ÒµµÄ¹Øϵ£¬¾³£»á»Ø´ðһЩarm³õѧÕßµÄÎÊÌ⣬ËäÈ»ÎÊÌâǧÆæ°Ù¹Ö£¬µ«ÒÔÏÂÁ½¸öÎÊÌâ¾ø¶ÔºÜÓдú±íÐÔ¡£ arm7ºÍarm9µÄ¶¼ÓÐЩʲôÇø±ð£¿ ÎÒ×¼±¸Ñ§arm£¬µ«²»ÖªÊÇÑ¡arm7»¹ÊÇarm9ºÃ£¿ Ò²ÐíÕâЩÎÊÌâÔÚ´óϺÃǵÄÑÛÀïÒѲ»ÊÇÎÊÌ⣬µ«¶ÔÓÚ³õѧÕßȷʵºÜ¾ß±ØҪŪÇå³þ¡£ÏÈ˵Ï£ºarm7ºÍarm9µÄÇø±ð¡£ 1. ʱÖÓƵÂʵÄ...
arm7ϵÁÐΪµÍ¹¦ºÄµÄ32λRISC´¦ÀíÆ÷,×îÊʺÏÓÃÓÚ¶Ô¼ÛλºÍ¹¦ºÄÒªÇó½Ï¸ßµÄÏû·ÑÀàÓ¦Ó᣶ø arm9 ϵÁÐÖ÷ÒªÓ¦ÓÃÓÚÎÞÏßÉ豸¡¢ÒÇÆ÷ÒÇ±í¡¢°²È«ÏµÍ³¡¢»ú¶¥ºÐ¡¢¸ß¶Ë´òÓ¡»ú¡¢Êý×ÖÕÕÏà»úºÍÊý×ÖÉãÏñ»úµÈ¡£ ¾ßÌåµÄ²»Í¬Ö®´¦ÎÒ¸ÅÀ¨ÁËÒÔϼ¸µã; Ò»¡¢¡°arm7ÄÚºËÈý¼¶Á÷Ë®Ïߺͷ롤ŵÒÁÂü½á¹¹; arm9 ÄÚºËÊÇ5¼¶Á÷Ë®Ïß ¹þ·ð½á¹¹¡£¡± arm7ºÍarm9µÄpipelineÉè¼ÆÊÇÒ»ÑùµÄ£¬¶¼ÊÇHarvard architecture£¬²»¹ýarm9ÓÖ±»½Ð×ömodified-Harvard architecture...
×î½üÂòÁËÒ»¿é±±¾©Ñï´´¹«Ë¾Éú²úµØ ÈýÐÇ2440¿ª·¢°å ¸Ð¾õÂù²»´íµÄ ²»ÖªµÀÂÛ̳ÀïÃ滹ÓÐÆäËüÅóÓÑÔÚÓÃÈýÐÇϵÁеÄarm¿ª·¢°åÂ𣿠Ҫ²»ÎÒÃÇÒ»Æ𽨸öȺ½»Á÷һϣ¿
±¾Ìû×îºóÓÉ crifan ÓÚ 2011-05-01 21:14 ±à¼ 1.ΪºÎarm7ÖÐPC=PC+8 ´Ë´¦½âÊÍΪºÎarm7ÖУ¬CPUµØÖ·£¬¼´PC£¬ÎªºÎÓÐPC=PC+8Õâһ˵·¨£ºÖÚËùÖÜÖª£¬AMR7£¬ÊÇÈý¼¶Á÷Ë®Ïߣ¬Æäϸ½Ú¼ûͼ£ºÍ¼±í 23 AMR7Èý¼¶Á÷Ë®ÏßÊ×ÏÈ£¬¶ÔÓÚarm7¶ÔÓ¦µÄÁ÷Ë®ÏßµÄÖ´ÐÐÇé¿ö£¬ÈçÏÂÃæÕâ¸öͼËùʾ£ºarm7ͼ±í 24 arm7Èý¼¶Á÷Ë®Ïß״̬Ȼºó¶ÔÓÚÈý¼¶Á÷Ë®Ïß¾ÙÀýÈçÏ£ºÍ¼±í 25 arm7Èý¼¶Á÷Ë®ÏßʾÀý´ÓÉÏͼ£¬ÆäʵºÜÈÝÒ׿´³ö£¬µÚÒ»ÌõÖ¸Áadd r0, r1,$5Ö´ÐеÄʱºò£¬´ËʱPCÒѾָ...
Ò»¡¢ÒýÑÔ ×÷ΪSOC£¨System On Chip)µÄµäÐÍÓ¦ÓÃ,ºÍ³Öµç»°¡¢»ú¶¥ºÐ¡¢ÊýÂëÏñ»ú¡¢GPS¡¢¸öΪÊý×ÖÖúÀíÒÔ¼°ÒòÌØÍøÉ豸µÈ²úÆ·µÄÊг¡ÐèÇóÔ½À´Ô½´ó¡£Ä¿Ç°,»ùÓÚarmµÄ´¦ÀíÆ÷ÒÔÆä¸ßËٶȡ¢µÍ¹¦ºÄµÈÖî¶àÓÅÒìµÄÐÔÄܶø³ÉΪÉÏÊö¸÷Àà²úÆ·ÖÐÑ¡Óý϶àµÄ´¦ÀíÆ÷¡£ ¶þ¡¢ armÄÚºË armÄں˷ÖΪarm7¡¢arm9¡¢arm10ÒÔ¼°StrongarmµÈ¼¸Àà¡£ÆäÖÐÿһÀàÓÖ¸ù¾ÝÆä¸÷×Ô°üº¬µÄ¹¦ÄÜÄ£¿é¶ø·Ö³É¶àÖÖ¹¹³É ÔÚarmÄÚºËÖÐÓÐËĸö¹¦ÄÜÄ£¿é¿É¹©Éú²ú³§É̸ù¾Ý²»Í¬Óû§µÄ²»Í¬ÒªÇó...
ÏëÒª¹ºÂò»òÁ˽âarm¿ª·¢°å¡¢ÊµÑéÏäµÄÅóÓÑ£¬ÇëÓëÎÒÁªÏµ£¬arm7/arm9/arm10£¬ÖÖÀàÆëÈ«¡£ ÁªÏµ·½·¨ :zhenxd@gmail.com MSN :zhenxd@gmail.com QQ :6897783
ÏëÒª¹ºÂò»òÁ˽âarm¿ª·¢°å¡¢ÊµÑéÏäµÄÅóÓÑ£¬ÇëÓëÎÒÁªÏµ£¬arm7/arm9/arm10£¬ÖÖÀàÆëÈ«¡£ ÁªÏµ·½·¨ :zhenxd@gmail.com MSN :zhenxd@gmail.com QQ :6897783
¾¹ý¼¸¸öÔµĿª·¢ÁúÈËǶÈëʽ¹¤³Ìʦ°ÑÔÚ×ö ǶÈëʽϵͳ ¿ª·¢¹ý³ÌÖÐ×ܽá³öµÄÓйØarm7Óë arm9 ²Ù×÷ϵͳµÄÑ¡Ð;Ñé·ÖÏí¸ø´ó¼Ò£¡ Ò» Ê×ÏÈ˵˵armµÄ·¢Õ¹ ¹ãÒåµÄǶÈëʽÎ޷Ǽ¸ÖÖ£º´«Í³µÄʲô51¡¢AVR¡¢PIC³Æ×öǶÈëʽ΢¿ØÖÆÆ÷£»armÊÇǶÈëʽ΢´¦ÀíÆ÷£»DSP£»FPGA¡£ ¿Í¹ÛµÄ½²£¬¹¤×÷ÐèÇóÁ¿ÉÏDSPµÄÐèÇó±ÈarmÒª¶à£¬¶øarmºÍFPGA²î²»¶à¡£ DSPÒòΪÊý×Ö´¦ÀíÓëͨÐÅÁìÓòµÄ¿ÕÇ°·¢Õ¹¶ø»ð±©£¬Ð¡µ½MP3 ÉäÏóÍ·£¬´óµ½ÎÒÃǾüÆ·ÀïµÄ¿ØÖÆÆ÷£¬Ó¦ÓÃÃæºÜ¹ã¡£ FP...
Ä¿Ç°Ô½À´Ô½¶àµÄ ǶÈëʽϵͳ Éè¼Æ¿ªÊ¼²ÉÓà arm9 ´¦ÀíÆ÷ ¡£Àí½âarm9Óë arm7 µÄ²î±ð£¬ÒÔ¼°ÈçºÎÕë¶Ôarm9½øÐÐϵͳÓÅ»¯£¬³ÉΪÁËÒ»¸öÁîÈ˹Ø×¢µÄ»°Ìâ¡£±¾ÎÄͨ¹ý¶Ôarm9´¦ÀíÆ÷µÄÌصã½éÉÜ£¬½éÉÜÕë¶Ôarm9´¦ÀíÆ÷½øÐÐϵͳÓÅ»¯µÄһЩÓÐЧ·½·¨¡£ Ëæןü¶àÓ¦ÓÃÔÚǶÈëʽϵͳÖеÄʵÏÖ£¬Ç¶ÈëʽϵͳÉè¼ÆÏòןü¸ß¼¶¡¢¸ü¸´Ôӵķ½Ïò·¢Õ¹¡£×÷Ϊ32λ½á¹¹ÌåϵÖеÄÇ̳þ£¬armÔÚ¸÷ÖÖÓ¦ÓÃÁìÓòÀïµÃµ½Á˼«Æä¹ã·ºµÄÓ¦Ó㬳ÉΪĿǰ¹úÄÚµç×ÓÉè¼ÆÁìÓòÀïÃæµÄ½¹µãÖ®Ò»(200...
´Óarm7µ½arm9µÄͳһ±àÖ·µÄÀ§»ó 1 µ¥Æ¬»úÊǹþ·ð½á¹¹µÄ£¬ËüµÄµØÖ·Êǵ¥¶À±àÖ·µÄ£¬Í¨¹ý²»Í¬µÄ·ÃÎÊ·½Ê½(mov,movx). 2 arm7ÊÇ·ë.ŵÂü½á¹¹£¬µ«ÊÇËüµÄµØÖ·Ò²ÊÇͳһ±àÖ·µÄ¡£ 3 arm9Êǹþ·ð½á¹¹µÄ£¬µ«ÊÇËüµÄµØÖ·ÊÇͳһ±àÖ·µÄ£¬´æ´¢Ö¸ÁîºÍarm7ÊÇÏàͬµÄ£¬²¢²»Çø·ÖÊý¾ÝºÍÖ¸ÁÈç¹û¹Ø±ÕÁËmmu£¬ºÍarm7Óжà´óÇø±ðÄØ£¿ ÄÇôͳһ±àÖ·µÄ¸ÅÄî³öÏÖÁËÎÊÌ⣬ÄÇôÔÚµØÖ·ÏߺÍÊý¾ÝÏßÉÏÀ´Çø·ÖÕâ¸öÎÊÌ⣺ Q1 ͨ¹ýµØÖ·ÏßÀ´Çø·Örom/ramµÄµØÖ·ÓÐ2ÖÖ·½Ê½£¨Æ¬Ñ¡ºÍ...