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为什么要RAM为段



CMD文件都把RAM分成一段一段的,当作一个整体存储不是利用率更高吗?一直没思考过为什么要分段,一直就是这么做。

RAML0 : origin = 0x008000, length = 0x001000 /* on-chip RAM block L0 */
RAML1 : origin = 0x009000, length = 0x001000 /* on-chip RAM block L1 */
RAML2 : origin = 0x00A000, length = 0x001000 /* on-chip RAM block L2 */
RAML3 : origin = 0x00B000, length = 0x001000 /* on-chip RAM block L3 */