DMA Channel Mux (DMA_MUX) RM0046
424/936 Doc ID 16912 Rev 5
19 DMA Channel Mux (DMA_MUX)
19.1 Introduction
19.1.1 Overview
The DMA Mux allows to route a configurable amount of DMA sources (slots) to a
configurable amount of DMA channels. This is illustrated in Figure 199.
Figure 199. DMA Mux block diagram
19.1.2 Features
The DMA Mux has these major features:
● 16 independently selectable DMA channel routers
– 4 channels with normal or periodic triggering capability
– 12 channels with normal capability
● Each channel router can be assigned to 1 of 21 possible peripheral DMA sources
Source #1
Source #2
Source #3
Source #21
DMA Channel #1
DMA Channel #15
DMA Channel #0
DMA_CH_MUX
Trigger #1
Trigger #4
Always #1
Always #9
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