mcf5407 Freescale Semiconductor, Inc, mcf5407 Datasheet - Page 199

• Manufacturer Part Number: mcf5407
• Description: Mcf5407 Coldfire Integrated Microprocessor User
• Manufacturer: Freescale Semiconductor, Inc

5.5.3.3.11 Write Control Register (
The operand (longword) data is written to the specified control register. The write alters all
32 register bits.
Command/Result Formats:
Command Sequence:
Operand Data:
Result Data:
Command
WCREG
Result
???
15
"NOT READY"
0x2
0x0
0x0
EXT WORD
MS ADDR
Figure 5-40.
This instruction requires two longword operands. The first selects the
register to which the operand data is to be written; the second
contains the data.
Successful write operations return 0xFFFF. Bus errors on the write
cycle are indicated by the setting of bit 16 in the status message and
by a data pattern of 0x0001.
Figure 5-41.
12
11
"NOT READY"
Chapter 5. Debug Support
EXT WORD
MS ADDR
WCREG
WCREG
0x8
0x0
Command/Result Formats
WCREG
Command Sequence
"NOT READY"
"NOT READY"
D[31:16]
MS DATA
8
D[15:0]
LS DATA
)
7
0x8
0x0
Rc
REGISTER
CONTROL
LOCATION
WRITE
MEMORY
WRITE
Background Debug Mode (BDM)
4
3
"NOT READY"
"CMD COMPLETE"
0x0
0x0
BERR
"NOT READY"
XXX
XXX
NEXT CMD
XXX
NEXT CMD
0
5-43