MC9S12XD256MAL Datasheet, PDF (1200/1348 Pages) Freescale Semiconductor, Inc – Freescale’s Scalable Controller Area Network

Chapter 29 128 Kbyte Flash Module (S12XFTX128K1V1)
FPHDIS=1
FPLDIS=1
7
0x7E_0000
FPHDIS=1
FPLDIS=0
FPHDIS=0
FPLDIS=1
6 Scenario 5
FPHDIS=0
FPLDIS=0
4
0x7F_8000
0x7F_FFFF
3
0x7E_0000
2 Scenario 1
FPLS[1:0]
FPOPEN=1
FPHS[1:0]
0
0x7F_8000
FPLS[1:0]
FPOPEN=0
0x7F_FFFF
FPHS[1:0]
Unprotected region
Protected region with size
defined by FPLS
Protected region
not defined by FPLS, FPHS
Protected region with size
defined by FPHS
Figure 29-9. Flash Protection Scenarios
1202
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor