Appendix A Electrical Characteristics
MC9S12XE-Family Reference Manual , Rev. 1.19
1226
Freescale Semiconductor
A.3.1.9
Erase P-Flash Block (FCMD=0x09)
Erasing a 256K NVM block takes
Erasing a 128K NVM block takes
A.3.1.10
Erase P-Flash Sector (FCMD=0x0A)
The typical time to erase a1024-byte P-Flash sector can be calculated using
The maximum time to erase a1024-byte P-Flash sector can be calculated using
A.3.1.11
Unsecure Flash (FCMD=0x0B)
The maximum time for unsecuring the flash is given by
A.3.1.12
Verify Backdoor Access Key (FCMD=0x0C)
The maximum verify backdoor access key time is given by
A.3.1.13
Set User Margin Level (FCMD=0x0D)
The maximum set user margin level time is given by
A.3.1.14
Set Field Margin Level (FCMD=0x0E)
The maximum set field margin level time is given by
t
mass
100100
1
f
NVMOP
-------------------------
70000
1
f
NVMBUS
-----------------------------
⋅
+
⋅
≈
t
mass
100100
1
f
NVMOP
-------------------------
35000
1
f
NVMBUS
-----------------------------
⋅
+
⋅
≈
t
era
20020
1
f
NVMOP
-------------------
⋅
⎝
⎠
⎛
⎞
700
1
f
NVMBUS
----------------------
⋅
⎝
⎠
⎛
⎞
+
=
t
era
20020
1
f
NVMOP
-------------------
⋅
⎝
⎠
⎛
⎞
1100
1
f
NVMBUS
----------------------
⋅
⎝
⎠
⎛
⎞
+
=
t
uns
100100
1
f
NVMOP
-------------------------
70000
1
f
NVMBUS
-----------------------------
⋅
+
⋅
⎝
⎠
⎛
⎞
=
t
400
1
f
NVMBUS
-----------------------------
⋅
=
t
350
1
f
NVMBUS
-----------------------------
⋅
=
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