Motorola ColdFire MCF5281 - Manual (Page 648)

Debug Support
30-30 Freescale Semiconductor
Command Sequence:
Figure 30-28. FILL Command Sequence
Operand Data: A single operand is data to be written to the memory location. Byte data is sent as
a 16-bit word, justified in the least-significant byte; 16- and 32-bit operands are
sent as 16 and 32 bits, respectively.
Result Data: Command complete status (0xFFFF) is returned when the register write is
complete. A value of 0x0001 (with S set) is returned if a bus error occurs.
15 12 11 8 7 4 3 0
Byte 0x1 0xC 0x0 0x0
X X X X X X X X D[7:0]
Word 0x1 0xC 0x4 0x0
D[15:0]
Longword 0x1 0xC 0x8 0x0
D[31:16]
D[15:0]
Figure 30-27. FILL Command Format
XXX
’NOT READY’
FILL (B/W)
???
DATA
’NOT READY’
NEXT CMD
’NOT READY’
WRITE
MEMORY
LOCATION
XXX
BERR
NEXT CMD
’CMD COMPLETE’ XXX
’ILLEGAL’
NEXT CMD
’NOT READY’
XXX
’NOT READY’
FILL (LONG)
???
MS DATA
’NOT READY’
LS DATA
’NOT READY’
WRITE
MEMORY
LOCATION
XXX
BERR
NEXT CMD
’CMD COMPLETE’ XXX
’ILLEGAL’
NEXT CMD
’NOT READY’
NEXT CMD
’NOT READY’
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3