ST STM32WL5 Series

Direct memory access controller (DMA) RM0453
456/1461 RM0453 Rev 1
13.4 DMA functional description
13.4.1 DMA block diagram
The DMA block diagram is shown in Figure 49.
Figure 49. DMA block diagram
MSv61533V1
DMA2
DMA1
AHB master interface
Arbiter
Ch 1
AHB slave interface
Ch 2
Ch 7
32-bit AHB bus 32-bit AHB bus
dma1_req [1..7]
dma1_ack [1..7]
...
Interrupt
interface
dma1_it[1..7]
dma1_secm [1..7]
dma1_priv[1..7]
DMAMUX1
AHB master interface
Arbiter
Ch 1
AHB slave interface
Ch 2
Ch 7
32-bit AHB bus 32-bit AHB bus
dma2_req [1..7]
dma2_ack [1..7]
...
Interrupt
interface
dma1_ilac
dma2_ilacdma2_it[1..7]
dma2_secm [1..7]
dma2_priv[1..7]