MC68HC908JK3 MOTOROLA [Motorola, Inc], MC68HC908JK3 Datasheet - Page 44
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MC68HC908JK3
Manufacturer Part Number
MC68HC908JK3
Description
MC68HC908JK1
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908JK3.pdf
(210 pages)
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FLASH Memory (FLASH)
4.8 FLASH Protection
Technical Data
44
NOTE:
NOTE:
The time between each FLASH address change (step 6 to step 6), or the
time between the last FLASH addressed programmed to clearing the
PGM bit (step 6 to step 10), must not exceed the maximum programming
time, t
Programming and erasing of FLASH locations cannot be performed by
code being executed from the FLASH memory. While these operations
must be performed in the order shown, other unrelated operations may
occur between the steps.
Due to the ability of the on-board charge pump to erase and program the
FLASH memory in the target application, provision is made to protect
blocks of memory from unintentional erase or program operations due to
system malfunction. This protection is done by use of a FLASH Block
Protect Register (FLBPR). The FLBPR determines the range of the
FLASH memory which is to be protected. The range of the protected
area starts from a location defined by FLBPR and ends to the bottom of
the FLASH memory ($FFFF). When the memory is protected, the HVEN
bit cannot be set in either ERASE or PROGRAM operations.
PROG
max.
FLASH Memory (FLASH)
MC68H(R)C908JL3
MOTOROLA
—
Rev. 1.0