Chapter 24 128 KByte Flash Module (S12XFTM128K2V1)
MC9S12XE-Family Reference Manual Rev. 1.19
Freescale Semiconductor
853
All possible P-Flash protection scenarios are shown in
. Although the protection scheme is
loaded from the Flash memory at global address 0x7F_FF0C during the reset sequence, it can be changed
by the user. The P-Flash protection scheme can be used by applications requiring reprogramming in single
chip mode while providing as much protection as possible if reprogramming is not required.
Table 24-22. P-Flash Protection Lower Address Range
FPLS[1:0]
Global Address Range
Protected Size
00
0x7F_8000–0x7F_83FF
1 Kbyte
01
0x7F_8000–0x7F_87FF
2 Kbytes
10
0x7F_8000–0x7F_8FFF
4 Kbytes
11
0x7F_8000–0x7F_9FFF
8 Kbytes
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