mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 516

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

Flash Operation in Low-Power Modes
516
0x40
0x41
0x43
0x44
0x45
0x80
FCMD
Read 1s All Blocks ×
Read Once
Program Once
Erase All Blocks
Verify Backdoor
Access Key
Program Partition
Command
MCF51JF128 Reference Manual, Rev. 2, 03/2011
IFR
IFR
×
×
Program flash
Table continues on the next page...
Preliminary
×
×
IFR
Data flash
x
×
×
FlexRAM
Freescale Semiconductor, Inc.
Verify that all
program flash,
data flash blocks,
FlexRAM,
EEPROM backup
data records, and
data flash IFR are
erased then
release MCU
security.
Read 4 bytes of a
dedicated 64 byte
field in the program
flash IFR.
One-time program
of 4 bytes of a
dedicated 64-byte
field in the program
flash IFR.
Erase all program
flash, data flash
blocks, FlexRAM,
EEPROM backup
data records, and
data flash IFR.
Then, verify-erase
and release MCU
security.
Release MCU
security after
comparing a set of
user-supplied
security keys to
those stored in the
program flash.
Program the
FlexNVM Partition
Code and
EEPROM Data Set
Size into the data
flash IFR. Format
all EEPROM
backup data
sectors allocated
for EEPROM.
Initialize the
FlexRAM.
Function
NOTE: An erase is
only
possible
when all
memory
locations
are
unprotected.