S912XEP100J5MAGR Freescale Semiconductor, S912XEP100J5MAGR Datasheet - Page 879
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S912XEP100J5MAGR
Manufacturer Part Number
S912XEP100J5MAGR
Description
S912XEP Series 16 Bit 50 Mhz 1 MB Flash 64 KB Ram Microcontroller - LQFP-144
Manufacturer
Freescale Semiconductor
Datasheet
1.S912XEP100J5MAG.pdf
(1328 pages)
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Valid margin level settings for the Set User Margin Level command are defined in
24.4.2.13 Set Field Margin Level Command
The Set Field Margin Level command, valid in special modes only, causes the Memory Controller to set
the margin level specified for future read operations of a specific P-Flash or D-Flash block.
Freescale Semiconductor
1. As defined by the memory map for FTM256K2.
FERSTAT
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 24-58. Set Field Margin Level Command FCCOB Requirements
000
001
MGSTAT1
MGSTAT0
EPVIOLIF
ACCERR
Table 24-57. Set User Margin Level Command Error Handling
Error Bit
FPVIOL
1. Read margin to the erased state
2. Read margin to the programmed state
(CCOBIX=001)
Table 24-56. Valid Set User Margin Level Settings
0x0000
0x0001
0x0002
CCOB
MC9S12XE-Family Reference Manual , Rev. 1.23
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
None
0x0E
NOTE
Return to Normal Level
User Margin-1 Level
User Margin-0 Level
FCCOB Parameters
Margin level setting
Level Description
Global address [22:16] to identify the Flash
Error Condition
Chapter 24 128 KByte Flash Module (S12XFTM128K2V1)
(1)
(2)
block
(1)
Table
24-30)
Table
24-56.
879
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