DMA – Direct Memory Transfer
DMA Features
• 14 independently configurable channels split to DMA1 & DMA2
• Hardware requests or software trigger on each channel.
• Software programmable priorities: Very high, High, Medium or Low. (Hardware
priority in case of equality).
• Programmable and Independent source and destination transfer data size: Byte,
Halfword or Word.
• 3 event flags for each channel: DMA Half Transfer, DMA Transfer complete and
DMA Transfer Error.
• Memory-to-memory, peripheral-to-memory and memory-to-peripheral transfers and
peripheral-to-peripheral transfers.
• Faulty channel is automatically hardware disabled in case of bus access error.
• Programmable number of data to be transferred: up to 65535.
• Support for circular buffer management.
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