DMA，全称Direct Memory Access，即直接存储器访问。 DMA传输将数据从一个地址空间复制到另一个地址空间，提供在外设和存储器之间或者存储器和存储器之间的高速数据传输。 我们知道CPU有转移数据、计算、控制程序转移等很多功能，系统运作的核心就是CPU， CPU无 ...

以前做过一个项目，需要连续采集多通道ADC，还有通过UART接收发送一堆数据流。 这时候，如果是你？你会怎么办？ 是不是写个循环，在里面不断地读寄存器、写寄存器，或者开个中断，每次中断里就搬运一个字节？ 一开始数据量小，感觉还好，就跟倒水似的 ...

The European Union’s Digital Markets Act (DMA) has come into force, and it’s meant that some of the world’s biggest tech companies are having to make major changes to how they operate. The law, which ...

The European Union has named six tech giants whose market power it hopes to rein in by applying a new set of proactive, pro-competition rules on how these gatekeepers can operate designated “core ...

Apple continues to adjust its approach to compliance with the European Union’s Digital Markets Act (DMA): Announcing another batch of changes Thursday, the iPhone maker showed off redesigned browser ...