mcf5272 Freescale Semiconductor, Inc, mcf5272 Datasheet - Page 148

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

Background Debug Mode (BDM)
Command Sequence:
Operand Data
Result Data
5.5.3.3.5 Dump Memory Block (
DUMP
is executed to set up the starting address of the block and to retrieve the first result. If an
initial
The
the operand size (1, 2, or 4) and saved in a temporary register. Subsequent
use this address, perform the memory read, increment it by the current operand size, and
store the updated address in the temporary register.
5-26
WRITE (LONG)
WRITE (B/W)
DUMP
???
???
is used with the
READ
command retrieves subsequent operands. The initial address is incremented by
is not executed before the first
"NOT READY"
"NOT READY"
MS ADDR
MS ADDR
This two-operand instruction requires a longword absolute address
that specifies a location to which the data operand is to be written.
Byte data is sent as a 16-bit word, justified in the LSB; 16- and 32-bit
operands are sent as 16 and 32 bits, respectively
Command complete status is indicated by returning 0xFFFF (with S
cleared) when the register write is complete. A value of 0x0001 (with
S set) is returned if a bus error occurs.
READ
Figure 5-24.
command to access large blocks of memory. An initial
"NOT READY"
"NOT READY"
LS ADDR
LS ADDR
MCF5272 User’s Manual
WRITE
DUMP
DUMP
Command Sequence
)
"NOT READY"
"NOT READY"
"NOT READY"
MS DATA
LS DATA
DATA
, an illegal command response is returned.
LOCATION
LOCATION
MEMORY
MEMORY
WRITE
WRITE
DUMP
"NOT READY"
"NOT READY"
"CMD COMPLETE"
"CMD COMPLETE"
BERR
BERR
XXX
"NOT READY"
XXX
"NOT READY"
XXX
NEXT CMD
XXX
NEXT CMD
XXX
XXX
NEXT CMD
NEXT CMD
commands
MOTOROLA
READ