in order to support the cpu, there are some code need to be written. but i believe for most of the cpus, people already did that for you. so u need not to do that by uself. for the cpu type, it depends on what u want. there are many kinds of cpu for embedded system. x86, arm, powerpc, mips... the HZ also differs with u requirement. a cpu control a webcam can not be the same as an I/O processor. decide u need before choose cpu. ming Quoting wide288 <wide288@xxxxxxxxxxxx>: > ×öǶÈëʽµÄ¿ª·¢£¬Òª¸ÄºÜ¶àÄں˲¿·ÖÂ𣿠> ²»ÖªµÀ×öǶÈëʽ¿ª·¢£¬¶¼ÓÃʲôCPU¡£ > Ö÷ƵÊǶàÉٵġ£ > ÄÇÊDz»ÊÇÒª°ÑÄÚºËÖеÄÓ²¼þÖ§³Ö²¿·ÖÈ«²¿´Óдһ±éÄØ£¿ > > >