Chapter 25 256 KByte Flash Module (S12XFTM256K2V1)
MC9S12XE-Family Reference Manual , Rev. 1.19
940
Freescale Semiconductor
CAUTION
Field margin levels must only be used during verify of the initial factory
programming.
NOTE
Field margin levels can be used to check that Flash memory contents have
adequate margin for data retention at the normal level setting. If unexpected
results are encountered when checking Flash memory contents at field
margin levels, the Flash memory contents should be erased and
reprogrammed.
0x0002
User Margin-0 Level
(2)
0x0003
Field Margin-1 Level
0x0004
Field Margin-0 Level
1. Read margin to the erased state
2. Read margin to the programmed state
Table 25-62. Set Field Margin Level Command Error Handling
Register
Error Bit
Error Condition
FSTAT
ACCERR
Set if CCOBIX[2:0] != 001 at command launch
Set if a Load Data Field command sequence is currently active
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
FPVIOL
None
MGSTAT1
None
MGSTAT0
None
FERSTAT
EPVIOLIF
None
Table 25-61. Valid Set Field Margin Level Settings
CCOB
(CCOBIX=001)
Level Description
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
S12XE
products
in
208
MAPBGA
packages