Datasheet

Chapter 27 512 Kbyte Flash Module (S12XFTX512K4V2)
MC9S12XDP512 Data Sheet, Rev. 2.21
1120 Freescale Semiconductor
Figure 27-11. 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
Protected region Protected region with size
defined by FPLS
defined by FPHSnot defined by FPLS, 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