mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 20

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

Section Number
19.1
19.2
19.3
19.4
20.1
20.2
20.3
20
Introduction...................................................................................................................................................................411
19.1.1
19.1.2
DMA Transfer Overview..............................................................................................................................................413
Memory Map and Registers..........................................................................................................................................414
19.3.1
19.3.2
19.3.3
19.3.4
19.3.5
Functional Description..................................................................................................................................................426
19.4.1
19.4.2
19.4.3
19.4.4
19.4.5
Introduction...................................................................................................................................................................431
20.1.1
20.1.2
External Signal Description..........................................................................................................................................435
Memory Map/Register Definition.................................................................................................................................435
20.3.1
20.3.2
Overview........................................................................................................................................................411
Features..........................................................................................................................................................412
DMA Request Control Register (DMA_REQC)...........................................................................................415
Source Address Register (DMA_SARn).......................................................................................................419
Destination Address Register (DMA_DARn)...............................................................................................420
DMA Status Register / Byte Count Register (DMA_DSR_BCRn)...............................................................420
DMA Control Register (DMA_DCRn)..........................................................................................................422
Transfer Requests (Cycle-Steal and Continuous Modes)..............................................................................426
Channel Initialization and Startup..................................................................................................................427
19.4.2.1
19.4.2.2
Dual-Address Data Transfer Mode................................................................................................................428
Advanced Data Transfer Controls: Auto-Alignment.....................................................................................429
Termination....................................................................................................................................................430
Features..........................................................................................................................................................431
Modes of Operation.......................................................................................................................................434
MCG Control 1 Register (MCG_C1).............................................................................................................436
MCG Control 2 Register (MCG_C2).............................................................................................................437
Channel Prioritization................................................................................................................427
Programming the DMA Controller Module...............................................................................427
MCF51JF128 Reference Manual, Rev. 2, 03/2011
Multipurpose Clock Generator (MCG)
DMA Controller
Chapter 19
Chapter 20
Preliminary
Title
Freescale Semiconductor, Inc.
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