mcf5307cft90b Freescale Semiconductor, Inc, mcf5307cft90b Datasheet - Page 165
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mcf5307cft90b
Manufacturer Part Number
mcf5307cft90b
Description
Mcf5307 Coldfire Integrated Microprocessor User
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MCF5307CFT90B.pdf
(484 pages)
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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
14
"NOT READY"
0x2
0x0
0x0
EXT WORD
MS ADDR
Figure 5-38.
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.
13
Figure 5-39.
Freescale Semiconductor, Inc.
For More Information On This Product,
12
11
"NOT READY"
Chapter 5. Debug Support
EXT WORD
MS ADDR
Go to: www.freescale.com
WCREG
WCREG
10
0x8
0x0
Command/Result Formats
9
WCREG
Command Sequence
"NOT READY"
"NOT READY"
D[31:16]
MS DATA
8
D[15:0]
LS DATA
)
7
6
0x8
0x0
Rc
REGISTER
CONTROL
LOCATION
WRITE
MEMORY
WRITE
Background Debug Mode (BDM)
5
4
3
2
"NOT READY"
"CMD COMPLETE"
0x0
0x0
BERR
"NOT READY"
XXX
XXX
NEXT CMD
XXX
NEXT CMD
1
0
5-37
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