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CPU消信RAM（CPU MSGRAM）与全局共享RAM（GSx RAM）的主要区别 ？
再请问 CPU MSGRAM 可以由 任何一个cpu单独访问吗？？
共享RAM由CPU1确定分配给CPU1还是CPU2，信息RAM是芯片出厂就帮你分配好的一小块RAM空间, 哪些是CPU1，哪些是CPU2。
ERIC
信息RAM可以有CPU1和CPU2访问，但是权限不一样，例如CPU1可写可读,CPU2只能读，反之亦然。
