PXD10RM Datasheet, PDF (451/1332 Pages) Freescale Semiconductor, Inc – PXD10 Microcontroller

Chapter 13
DMA Channel Mux (DMACHMUX)
13.1 Introduction
13.1.1 Overview
The DMACHMUX controls the routing of multiple DMA peripheral sources (called slots) to 16 DMA
channels. This is illustrated in Figure 13-1.
Source #1
Source #2
Source #3
DMACHMUX
DMA Channel #0
DMA Channel #1
Source #63
Always #1
Always #4
Trigger #1
Trigger #4
DMA Channel #15
Figure 13-1. DMACHMUX block diagram
13.1.2 Features
The DMACHMUX provides these features:
• 48 peripheral slots + 4 always-on slots can be routed to 16 channels
• 16 independently-selectable DMA channels routers
— the first 4 channels additionally provide a trigger functionality
Freescale Semiconductor
PXD10 Microcontroller Reference Manual, Rev. 1
Preliminary—Subject to Change Without Notice
13-1