Motorola MCF5281 Manual De Usuario
29-28
MCF5282 User’s Manual
MOTOROLA
Background Debug Mode (BDM)
NOTE:
DUMP
does not check for a valid address; it is a valid command
only when preceded by
NOP
,
READ
, or another
DUMP
command.
Otherwise, an illegal command response is returned.
NOP
can
be used for intercommand padding without corrupting the
address pointer.
address pointer.
The size field is examined each time a
DUMP
command is processed, allowing the operand
size to be dynamically altered.
Command/Result Formats:
15
12
11
8
7
4
3
0
Byte
Command
0x1
0xD
0x0
0x0
Result
X
X
X
X
X
X
X
X
D[7:0]
Word
Command
0x1
0xD
0x4
0x0
Result
D[15:0]
Longword
Command
0x1
0xD
0x8
0x0
Result
D[31:16]
D[15:0]
Figure 29-25.
DUMP
Command/Result Formats