Chapter 28 768 KByte Flash Module (S12XFTM768K4V2)
MC9S12XE-Family Reference Manual , Rev. 1.19
1100
Freescale Semiconductor
Figure 28-14. P-Flash Protection Scenarios
7
6
5
4
FPHS[1:0]
FPLS[1:0]
3
2
1
0
FPHS[1:0]
FPLS[1:0]
FPHDIS = 1
FPLDIS = 1
FPHDIS = 1
FPLDIS = 0
FPHDIS = 0
FPLDIS = 1
FPHDIS = 0
FPLDIS = 0
Scenario
Scenario
Unprotected region
Protected region with size
Protected region
Protected region with size
defined by FPLS
defined by FPHS
not defined by FPLS, FPHS
0x7F_8000
0x7F_FFFF
0x7F_8000
0x7F_FFFF
FLASH START
FLASH START
FPOPEN = 1
FPOPEN = 0
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