mc9s12xs128 Freescale Semiconductor, Inc, mc9s12xs128 Datasheet - Page 649

• Manufacturer Part Number: mc9s12xs128
• Description: Hcs12 Microcontrollers 16-bit Automotive Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Upon clearing CCIF to launch the Set User Margin Level command, the Memory Controller will set the
user margin level for the targeted block and then set the CCIF flag.
Valid margin level settings for the Set User Margin Level command are defined in
Freescale Semiconductor
1
As defined by the memory map for FTMR128K1.
Register
FSTAT
User margin levels can be used to check that Flash memory contents have
adequate margin for normal level read operations. If unexpected results are
encountered when checking Flash memory contents at user margin levels, a
potential loss of information has been detected.
CCOBIX[2:0]
Table 20-53. Set User Margin Level Command FCCOB Requirements
000
001
MGSTAT1
MGSTAT0
ACCERR
Table 20-55. Set User Margin Level Command Error Handling
Error Bit
FPVIOL
1
2
(CCOBIX=001)
Table 20-54. Valid Set User Margin Level Settings
Read margin to the erased state
Read margin to the programmed state
0x0000
0x0001
0x0002
CCOB
S12XS Family Reference Manual, Rev. 1.10
Set if CCOBIX[2:0] != 001 at command launch
Set if command not available in current mode (see
Set if an invalid global address [22:16] is supplied
Set if an invalid margin level setting is supplied
None
None
None
0x0D
NOTE
Return to Normal Level
FCCOB Parameters
User Margin-1 Level
User Margin-0 Level
Margin level setting
Level Description
Global address [22:16] to identify the
Error Condition
1
2
Flash block
64 KByte Flash Module (S12XFTMR64K1V1)
1
Table
20-28)
Table
20-54.
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