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S912XEP100J5MAG Datasheet, PDF (1226/1324 Pages) Freescale Semiconductor, Inc – Features of the MC9S12XE-Family are listed here. Please see Table D-2.for memory options and Table D-2. for the peripheral features that are available on the different family members. | |||
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Appendix A Electrical Characteristics
A.3.1.9 Erase P-Flash Block (FCMD=0x09)
Erasing a 256K NVM block takes
tmass â 100100 â
f--N-----V----M1------O-----P-- + 70000 â
f--N-----V----M---1---B----U-----S--
Erasing a 128K NVM block takes
tmass â 100100 â
f--N-----V----M1------O-----P-- + 35000 â
f--N-----V----M---1---B----U-----S--
A.3.1.10 Erase P-Flash Sector (FCMD=0x0A)
The typical time to erase a1024-byte P-Flash sector can be calculated using
tera
=
â
â
20020
â
f--N----V---1M----O----P- â â
+ ââ700 â
f--N----V---M-1---B---U----S-â â
The maximum time to erase a1024-byte P-Flash sector can be calculated using
tera
=
â
â
20020
â
f--N----V---1M----O----P- â â
+
â
â
1100
â
f--N----V---M-1---B---U----S- â â
A.3.1.11 Unsecure Flash (FCMD=0x0B)
The maximum time for unsecuring the ï¬ash is given by
tuns=
â
â
100100
â
f--N-----V----M-1-----O-----P--
+ 70000 â
f--N-----V----M---1---B----U-----S--â â
A.3.1.12 Verify Backdoor Access Key (FCMD=0x0C)
The maximum verify backdoor access key time is given by
t= 400 â
f--N-----V----M---1---B----U-----S--
A.3.1.13 Set User Margin Level (FCMD=0x0D)
The maximum set user margin level time is given by
t= 350 â
f--N-----V----M---1---B----U-----S--
A.3.1.14 Set Field Margin Level (FCMD=0x0E)
The maximum set ï¬eld margin level time is given by
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MC9S12XE-Family Reference Manual Rev. 1.25
Freescale Semiconductor
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