Not taught in school! A column introducing the specific operation of DMA transfer.
Using a USB controller as an example, I will explain the specific operation of DMA transfers. Let's consider a case where a write operation is performed on the built-in FIFO of a DMA slave-type USB controller using a general-purpose DMAC. Typically, the capacity of the FIFO built into a USB controller is not very large, generally accommodating only about two packets at most. *For detailed content of the column, you can view it from the related links. Please feel free to contact us for more information.*
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Toko Takadake provides software for embedded systems and IoT solutions in various fields. The embedded system software "MatrixQuest Series" is a product developed from scratch based on standards/specifications. It offers functionalities centered around communication, including USB (host/function), Wi-Fi, TCP/IP, file systems, and SD host drivers. Additionally, with the cooperation of many partner companies, we offer a variety of products such as the deep learning framework "KAIBER," embedded fonts "DynaFont," Bluetooth, and real-time operating systems. We also provide support for Wi-Fi certification, BlueZ, Bluedroid compatibility, wireless certification, and SIG certification acquisition.
