Motorola ColdFire MCF5281 User Manual page 15

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Number
21.1 Overview........................................................................................................... 21-1
21.1.1 Key Features ................................................................................................. 21-2
21.2 DMA Timer Programming Model .................................................................... 21-2
21.2.1 Prescaler........................................................................................................ 21-2
21.2.2 Capture Mode ............................................................................................... 21-3
21.2.3 Reference Compare....................................................................................... 21-3
21.2.4 Output Mode ................................................................................................. 21-3
21.2.5 Memory Map ................................................................................................ 21-3
21.2.6 DMA Timer Mode Registers (DTMRn)....................................................... 21-4
21.2.7 DMA Timer Extended Mode Registers (DTXMRn).................................... 21-5
21.2.8 DMA Timer Event Registers (DTERn) ........................................................ 21-6
21.2.9 DMA Timer Reference Registers (DTRRn)................................................. 21-7
21.2.10 DMA Timer Capture Registers (DTCRn) .................................................... 21-7
21.2.11 DMA Timer Counters (DTCNn) .................................................................. 21-8
21.3 Using the DMA Timer Modules ....................................................................... 21-8
21.3.1 Code Example............................................................................................... 21-9
21.3.2 Calculating Time-Out Values ..................................................................... 21-10
22.1 Overview........................................................................................................... 22-1
22.2 Features ............................................................................................................. 22-1
22.3 Module Description .......................................................................................... 22-1
22.3.1 Interface and Signals..................................................................................... 22-2
22.3.2 Internal Bus Interface.................................................................................... 22-3
22.4 Operation .......................................................................................................... 22-3
22.4.1 QSPI RAM.................................................................................................... 22-4
22.4.2 Baud Rate Selection...................................................................................... 22-6
22.4.3 Transfer Delays............................................................................................. 22-7
22.4.4 Transfer Length............................................................................................. 22-8
22.4.5 Data Transfer ................................................................................................ 22-8
22.5 Programming Model ......................................................................................... 22-9
22.5.1 QSPI Mode Register (QMR) ...................................................................... 22-10
22.5.2 QSPI Delay Register (QDLYR) ................................................................. 22-11
22.5.3 QSPI Wrap Register (QWR)....................................................................... 22-12
22.5.4 QSPI Interrupt Register (QIR).................................................................... 22-13
22.5.5 QSPI Address Register (QAR) ................................................................... 22-14
MOTOROLA
CONTENTS
Title
Chapter 21
DMA Timers (DTIM0-DTIM3)
Chapter 22
Queued Serial Peripheral Interface
(QSPI) Module
Contents
Page
Number
xv