mcf5282 Freescale Semiconductor, Inc, mcf5282 Datasheet - Page 643

• Manufacturer Part Number: mcf5282
• Manufacturer: Freescale Semiconductor, Inc

Command/Result Formats:
Command Sequence:
Operand Data
Result Data
Freescale Semiconductor
Longword Command
Word
Byte
READ (LONG)
READ (B/W)
???
???
Command
Command
Result
Result
Result
’NOT READY’
’NOT READY’
The only operand is the longword address of the requested location.
Word results return 16 bits of data; longword results return 32. Bytes are returned
in the LSB of a word result; the upper byte is undefined. 0x0001 (S = 1) is returned
if a bus error occurs.
MS ADDR
15
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
X
MS ADDR
X
Figure 30-21.
0x1
0x1
0x1
Figure 30-22.
X
12
X
’NOT READY’
’NOT READY’
LS ADDR
LS ADDR
READ
11
X
READ
Command/Result Formats
X
0x9
0x9
0x9
Command Sequence
X
LOCATION
MEMORY
LOCATION
MEMORY
A[31:16]
A[31:16]
A[31:16]
D[31:16]
READ
A[15:0]
X
A[15:0]
D[15:0]
A[15:0]
D[15:0]
8
READ
7
0x0
0x4
0x8
’NOT READY’
’NOT READY’
NEXT CMD
MS RESULT
RESULT
BERR
XXX
XXX
BERR
XXX
XXX
XXX
4
D[7:0]
3
’NOT READY’
’NOT READY’
NEXT CMD
LS RESULT
NEXT CMD
NEXT CMD
0x0
0x0
0x0
Debug Support
0
30-25