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MC9S12P64CFT Datasheet, PDF (520/566 Pages) Freescale Semiconductor, Inc – Microcontrollers | |||
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Electrical Characteristics
A.3.1.8 Erase P-Flash Block (FCMD=0x09)
The time required to erase the P-Flash block is given by:
tpmass â 100100 â
f---N---V---1-M----O---P- + 67000 â
f---N---V----M1----B---U---S
A.3.1.9 Erase P-Flash Sector (FCMD=0x0A)
The typical time to erase a 512-byte P-Flash sector is given by:
tpera
â
20020
â
---------1---------
f NVMOP
+
700
â
----------1----------
f NVMBUS
The maximum time to erase a 512-byte P-Flash sector is given by:
tpera
â
20020
â
---------1---------
f NVMOP
+
1400
â
----------1----------
f NVMBUS
A.3.1.10 Unsecure Flash (FCMD=0x0B)
The maximum time required to erase and unsecure the Flash is given by:
for 128 Kbyte P-Flash and 4 Kbyte D-Flash
tuns
â
100100
â
---------1---------
f NVMOP
+
70000
â
----------1----------
f NVMBUS
A.3.1.11 Verify Backdoor Access Key (FCMD=0x0C)
The maximum verify backdoor access key time is given by:
t = 400 â
f---N---V----M1----B---U---S
A.3.1.12 Set User Margin Level (FCMD=0x0D)
The maximum set user margin level time is given by:
t
=
350
â
----------1----------
f NVMBUS
S12P-Family Reference Manual, Rev. 1.13
520
Freescale Semiconductor
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