Chapter 25 256 KByte Flash Module (S12XFTM256K2V1)
MC9S12XE-Family Reference Manual , Rev. 1.19
906
Freescale Semiconductor
The security function in the Flash module is described in
25.3.2.3
Flash CCOB Index Register (FCCOBIX)
The FCCOBIX register is used to index the FCCOB register for Flash memory operations.
CCOBIX bits are readable and writable while remaining bits read 0 and are not writable.
25.3.2.4
Flash ECCR Index Register (FECCRIX)
The FECCRIX register is used to index the FECCR register for ECC fault reporting.
ECCRIX bits are readable and writable while remaining bits read 0 and are not writable.
1. Preferred SEC state to set MCU to secured state.
Offset Module Base + 0x0002
7
6
5
4
3
2
1
0
R
0
0
0
0
0
CCOBIX[2:0]
W
Reset
0
0
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 25-7. FCCOB Index Register (FCCOBIX)
Table 25-13. FCCOBIX Field Descriptions
Field
Description
2–0
CCOBIX[1:0]
Common Command Register Index
— The CCOBIX bits are used to select which word of the FCCOB register
array is being read or written to. See
Section 25.3.2.11, “Flash Common Command Object Register (FCCOB)
,”
for more details.
Offset Module Base + 0x0003
7
6
5
4
3
2
1
0
R
0
0
0
0
0
ECCRIX[2:0]
W
Reset
0
0
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 25-8. FECCR Index Register (FECCRIX)
Table 25-14. FECCRIX Field Descriptions
Field
Description
2-0
ECCRIX[2:0]
ECC Error Register Index
— The ECCRIX bits are used to select which word of the FECCR register array is
being read. See
Section 25.3.2.13, “Flash ECC Error Results Register (FECCR)
,” for more details.
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
