Section number Title PageChapter 22Direct Memory Access Multiplexer (DMAMUX)22.1 Introduction...................................................................................................................................................................33722.1.1 Overview......................................................................................................................................................33722.1.2 Features........................................................................................................................................................33822.1.3 Modes of operation......................................................................................................................................33822.2 External signal description............................................................................................................................................33922.3 Memory map/register definition...................................................................................................................................33922.3.1 Channel Configuration register (DMAMUXx_CHCFGn)..........................................................................33922.4 Functional description...................................................................................................................................................34022.4.1 DMA channels with periodic triggering capability......................................................................................34122.4.2 DMA channels with no triggering capability...............................................................................................34322.4.3 Always-enabled DMA sources....................................................................................................................34322.5 Initialization/application information...........................................................................................................................34422.5.1 Reset.............................................................................................................................................................34422.5.2 Enabling and configuring sources................................................................................................................344Chapter 23DMA Controller Module23.1 Introduction...................................................................................................................................................................34923.1.1 Overview......................................................................................................................................................34923.1.2 Features........................................................................................................................................................35023.2 DMA Transfer Overview..............................................................................................................................................35123.3 Memory Map and Registers..........................................................................................................................................35223.3.1 Source Address Register (DMA_SARn).....................................................................................................35323.3.2 Destination Address Register (DMA_DARn).............................................................................................35423.3.3 DMA Status Register / Byte Count Register (DMA_DSR_BCRn).............................................................35523.3.4 DMA Control Register (DMA_DCRn)........................................................................................................35723.4 Functional Description..................................................................................................................................................36123.4.1 Transfer Requests (Cycle-Steal and Continuous Modes)............................................................................361KL25 Sub-Family Reference Manual, Rev. 3, September 201214 Freescale Semiconductor, Inc.
