Datasheet

Debug Support
15-24 MCF5206e USER’S MANUAL MOTOROLA
Command Formats:
DRc encoding:
Command Sequence:
Operand Data:
None
Result Data:
The contents of the selected debug register are returned as a longword value. The data is
returned most significant word first.
15.2.3.4.12 Write Debug Module Register (WDMREG). The operand (longword) data is
written to the specified Debug Module Register. All 32 bits of the register are altered by the
write. The DSCLK signal must be inactive while CPU execution of the WDEBUG instruction
is performed.
1514131211109876543210
$2 $D $8 DRc
RDMREG BDM Command
1514131211109876543210
DATA [31:16]
DATA [15:0]
RDMREG BDM Result
Table 15-6. Definition of DRc Encoding - Read
DRC[3:0] DEBUG REGISTER DEFINITION MNEMONIC
INITIAL
STATE
$0 Configuration/Status CSR $0
$1-$F Reserved -–
XXX
MS RESULT
XXX
"ILLEGAL"
NEXT CMD
LS RESULT
NEXT CMD
"NOT READY"
RDMREG
???
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