
Chapter 28 256 Kbyte Flash Module (S12XFTX256K2V1)
MC9S12XDP512 Data Sheet, Rev. 2.17
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Freescale Semiconductor
Figure 28-11. Flash Protection Scenarios
7
6
5
4
3
2
1
0
FPHDIS=1
FPLDIS=1
FPHDIS=1
FPLDIS=0
FPHDIS=0
FPLDIS=1
FPHDIS=0
FPLDIS=0
Scenario
Scenario
Unprotected region
Protected region with size
defined by FPLS
Protected region
not defined by FPLS, FPHS
Protected region with size
defined by FPHS
0x7F_8000
0x7F_FFFF
0x7F_8000
0x7F_FFFF
0x78_0000
0x78_0000
FPHS[1:0]
FPLS[1:0]
FPOPEN=1
FPHS[1:0]
FPLS[1:0]
FPOPEN=0