Motorola ColdFire MCF5281 User Manual

Page 751

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Freescale Semiconductor

Index-3

reads 6-17
setting CFMCLKD 6-17
stop mode 6-21
verify 6-18
writes 6-17

registers

clock divider (CFMCLKD) 6-9

setting 6-17

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

reset 6-23
security

back door access 6-23
erase verify check 6-23

Collision handling 17-42
Core

block diagram 2-1
low-power modes 7-6
registers

address (An) 2-4
condition code (CCR) 2-6
data (Dn) 2-4
program counter (PC) 2-7
stack pointer (A7) 2-5
status register (SR) 2-8
vector base (VBR) 2-7

Cyclic redundancy check error (CRCERR) bit 25-26

D

DC characteristics 33-3
Debug

see BDM
breakpoint

functions 30-7
operation 30-37

data 30-39
electrical characteristics

AC timing specifications 33-27

emulator mode 30-38
interrupt 30-37
low-power modes 7-13
operation 30-37
overview 30-1
processor status 30-2

,

30-39

programming model 30-5
registers

address attribute trigger (AATR) 30-7
address breakpoint (ABLR, ABHR) 30-9
configuration/status (CSR) 30-10
data breakpoint/mask (DBR, DBMR) 30-12
program counter breakpoint/mask (PBR, PBMR) 30-13
trigger definition (TDR) 30-14

support, real-time 30-37
taken branch 30-4
trace, real-time 30-2

Debug interrupt 30-37
DMA controller

channel prioritization 16-12
data transfer

auto alignment 16-13
bandwidth control 16-14
dual-address 16-12
overview 16-4
requests 16-11
termination 16-14

functional description 16-11
low-power modes 7-7
overview 16-1
programming 16-12
registers

byte count (BCRn) 16-7
control (DCRn) 16-7
destination address (DARn) 16-6
request control (DMAREQC) 16-2
source address (SARn) 16-5
status (DSRn) 16-10

signal diagram 16-1

DMA timers

electrical characteristics

AC timing specifications 33-24

operation

low-power modes 7-8

Doze mode 7-6

E

Electrical characteristics

bus

external output timing specifications 33-12
processor input timing specifications 33-11

ColdFire Flash module

module life characteristics 33-11
program and erase characteristics 33-10

DC specifications 33-3
debug AC timing specifications 33-27
DMA timer AC timing specifications 33-24
FEC AC timing specifications 33-21
GPIO timing 33-18
I

2

C input timing between SCL and SDA 33-20

MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3

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