INDEX

writes, 6-17registers

clock divider (CFMCLKD), 6-10setting, 6-18

command (CFMCMD), 6-16configuration (CFMCR), 6-9data access (CFMDACC), 6-14FLASHBAR, 2-8,6-5protection (CFMPROT), 6-12security (CFMSEC), 6-10supervisor access (CFMSACC), 6-13user status (CFMUSTAT), 6-15

reset, 6-24security

back door access, 6-24erase verify check, 6-24

Collision handling, 17-17Core

hardware configuration, 2-17low-power modes, 7-7pipelines, 2-1programming model, 2-8

supervisor, 2-5user, 2-2

registers

address (An), 2-3

condition code (CCR), 2-4,2-4data (Dn), 2-3

stack pointer (A7), 2-3,2-7status register (SR), 2-6vector base (VBR), 2-8

CRC error, 17-19

Cyclic redundancy check error (CRCERR) bit, 25-29

D

DC characteristics, 33-4Debug

see BDM breakpoint

functions, 29-7operation, 29-37

data, 29-40

electrical characteristics

AC timing specifications, 33-27emulator mode, 29-38interrupt, 29-38

low-power modes, 7-16operation, 29-37overview, 29-1

processor status, 29-3,29-40programming model, 29-5registers

address attribute trigger (AATR), 29-8address breakpoint (ABLR, ABHR), 29-9

configuration/status (CSR), 29-10

data breakpoint/mask (DBR, DBMR), 29-12program counter breakpoint/mask (PBR,

PBMR), 29-13

trigger definition (TDR), 29-14support, real-time, 29-37

taken branch, 29-4trace, real-time, 29-3

Debug interrupt, 2-15,29-38Divide-by-zero exception, 2-14DMA controller

channel prioritization, 16-13data transfer

auto alignment, 16-14bandwidth control, 16-15dual-address, 16-12overview, 16-4requests, 16-11termination, 16-15

functional description, 16-11low-power modes, 7-8overview, 16-1programming, 16-13registers

byte count (BCRn), 16-7control (DCRn), 16-8destination address (DARn), 16-6request control (DMAREQC), 16-3source address (SARn), 16-6status (DSRn), 16-10

signal diagram, 16-2DMA timers

code example, 21-9electrical characteristics

AC timing specifications, 33-24memory map, 21-3

operation

capture mode, 21-3general, 21-8low-power modes, 7-9output mode, 21-3

overview, 21-1prescaler, 21-2programming model, 21-2reference compare, 21-3registers

capture (DTCRn), 21-7counters (DTCNn), 21-8event (DTERn), 21-6mode (DTMRn), 21-4reference (DTRRn), 21-7

time-out values, 21-10Doze mode, 7-6

MOTOROLA

MCF5282 User’s Manual

Index-3

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Motorola MCF5281, MCF5282 user manual Index-3