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21ic
5 天
揭晓嵌入式项目是如何评估系统所需的RAM和ROM用量
[导读]RAM和ROM等存储单元的物理地址映射是由做硬件的数字工程师确定,他们在划分时主要会考虑电路的延迟,将这些储存单元按照一定的方式挂在同一条AHB总线上。而嵌入式平台软件工程师可以通过修改链接脚本来设置哪些数据、代码在程序运行时放在ROM里 ...
21ic
26 天
一文探究竟! 嵌入式项目是怎样评估系统所需的RAM和ROM用量的?
[导读]ROM和RAM是人尽皆知的概念。即:RAM(random access memory)随机存储内存 ,这种bai存储器在断电时du将丢失其存储内容,故主要用于存储短时间使用的程序。ROM(Read-Only Memory)只读内存 ,是一种只能读出事先所存数据的固态半导体存储器。 一个嵌入式项目在立项时 ...
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