Chapter 3 Memory Mapping Control (S12XMMCV4)
MC9S12XE-Family Reference Manual , Rev. 1.19
196
Freescale Semiconductor
Figure 3-5. Mode Transition Diagram when MCU is Unsecured
Normal
Single-Chip
100
Normal
Expanded
101
Emulation
Expanded
011
Emulation
Single-Chip
001
Special
Test
010
Special
Single-Chip
000
101
101
011
011
101
000
010
100
001
001
100
101
RESET
(SS)
110
111
000
RESET
RESET
RESET
RESET
RESET
010
101
011
001
100
(EX)
(NX)
(NS)
(ES)
(ST)
RESET
Transition done by external pins (MODC, MODB, MODA)
Transition done by write access to the MODE register
110
111
Illegal (MODC, MODB, MODA) pin values.
Do not use. (Reserved for future use).
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