STM32WBA62CG datasheet(45/185 Pages) STMICROELECTRONICS

45 / 185 page

DS14736 Rev 1

45/185

STM32WBA6xxx

Functional overview

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Intra-channel DMA transfers chaining via programmable linked-list into memory,

supporting two execution modes: run-to-completion and link step mode

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Intra-channel and inter-channel DMA transfers chaining via programmable DMA

input triggers connection to DMA task completion events

•

Per linked-list item within a channel:

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Separately programmed source and destination transfers

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Programmable data handling between source and destination: byte-based

reordering, packing or unpacking, padding or truncation, sign extension and

left/right realignment

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Programmable number of data bytes to be transferred from the source, defining

the block level

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Linear source and destination addressing: either fixed or contiguously

incremented addressing, programmed at a block level, between successive single

transfers

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Programmable DMA request and trigger selection

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Programmable DMA half-transfer and transfer complete events generation

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Pointer to the next linked-list item and its data structure in memory, with automatic

update of the DMA linked-list control registers

•

Debug:

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Channel suspend and resume support

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Channel status reporting including FIFO level and event flags

•

TrustZone support:

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Support for secure and nonsecure DMA transfers, independently at a first channel

level, and independently at a source/destination and link sub-levels

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Secure and nonsecure interrupts reporting, resulting from any of the respectively

secure and nonsecure channels

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TrustZone-aware AHB slave port, protecting any DMA secure resource (register,

•

Privileged/unprivileged support:

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Support for privileged and unprivileged DMA transfers, independently at a channel

level

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Privileged-aware AHB slave port.

STM32WBA62CG Datasheet(PDF) 45 Page - STMicroelectronics

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