mcf5272 Freescale Semiconductor, Inc, mcf5272 Datasheet - Page 150

• Manufacturer Part Number: mcf5272
• Description: Mcf5272 Coldfire Integrated Microprocessor User
• Manufacturer: Freescale Semiconductor, Inc

Background Debug Mode (BDM)
Command Sequence:
Operand Data:
Result Data:
5.5.3.3.6 Fill Memory Block (
A
initial
operand. The
by the operand size (1, 2, or 4) and saved in a temporary register after the memory write.
Subsequent
operand size, and store the updated address in the temporary register.
If an initial
response is returned.
The size field is examined each time a
size to be altered dynamically.
5-28
FILL
WRITE
command is used with the
DUMP (LONG)
DUMP (B/W)
WRITE
FILL
FILL
is executed to set up the starting address of the block and to supply the first
The
a valid command only when preceded by another
or a
is returned. The
padding without corrupting the address pointer.
???
???
commands use this address, perform the write, increment it by the current
WRITE
command writes subsequent operands. The initial address is incremented
FILL
is not executed preceding the first
None
Requested data is returned as either a word or longword. Byte data is
returned in the least-significant byte of a word result. Word results
return 16 bits of significant data; longword results return 32 bits. A
value of 0x0001 (with S set) is returned if a bus error occurs.
command does not check for a valid address—
Figure 5-26.
command. Otherwise, an illegal command response
NOP
"ILLEGAL"
"ILLEGAL"
XXX
XXX
MCF5272 User’s Manual
WRITE
command can be used for intercommand
FILL
LOCATION
LOCATION
MEMORY
MEMORY
READ
READ
DUMP
FILL
)
NOTE:
command to access large blocks of memory. An
"NOT READY"
"NOT READY"
Command Sequence
NEXT CMD
NEXT CMD
command is processed, allowing the operand
FILL
"NOT READY"
"NOT READY"
MS RESULT
NEXT CMD
NEXT CMD
command, the illegal command
RESULT
BERR
BERR
XXX
XXX
XXX
XXX
FILL
, a
FILL
"NOT READY"
"NOT READY"
LS RESULT
NOP
NEXT CMD
NEXT CMD
NEXT CMD
is
,
MOTOROLA