mc68hc908sr12 Freescale Semiconductor, Inc, mc68hc908sr12 Datasheet - Page 71
mc68hc908sr12
Manufacturer Part Number
mc68hc908sr12
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908SR12.pdf
(404 pages)
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MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
BPR0 is used only for BPR[7:0] = $FF, for no block protection.
The resultant 16-bit address is used for specifying the start address
of the FLASH memory for block protection. The FLASH is protected
from this start address to the end of FLASH memory, at $FFFF. With
this mechanism, the protect start address can be XX00 or XX80 (at
page boundaries) within the FLASH memory.
Examples of protect start address:
and so on...
Note:
The end address of the protected range is always $FFFF.
$FC or $FD
$FA or $FB
$F8 or $F9
$00 or $01
$02 or $03
$04 or $05
$06 or $07
$08 or $09
BPR[7:0]
$FE
$FF
FLASH Memory
The entire FLASH memory is not protected.
The entire FLASH memory is protected.
Start of Address of Protect Range
$C000 (1100 0000 0000 0000)
$C080 (1100 0000 1000 0000)
$C100 (1100 0001 0000 0000)
$C180 (1100 0001 1000 0000)
$C200 (1100 0010 0000 0000)
$FE00 (1111 1110 0000 0000)
$FE80 (1111 1110 1000 0000)
$FF00 (1111 1111 0000 0000)
$FF80 (1111 1111 1000 0000)
FLASH Protection
FLASH Memory
Data Sheet
71
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