mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 1160

• Manufacturer Part Number: mc9s12xd256
• Description: Hcs12x Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 28 256 Kbyte Flash Module (S12XFTX256K2V1)
1160
0x78_0000
0x7F_8000
0x7F_FFFF
0x78_0000
0x7F_8000
0x7F_FFFF
FPHDIS=1
FPLDIS=1
Unprotected region
Protected region
not defined by FPLS, FPHS
7
3
Figure 28-11. Flash Protection Scenarios
FPHDIS=1
FPLDIS=0
MC9S12XDP512 Data Sheet, Rev. 2.17
6
2
Scenario
Scenario
FPHDIS=0
FPLDIS=1
5
1
Protected region with size
defined by FPLS
Protected region with size
defined by FPHS
FPHDIS=0
FPLDIS=0
4
0
Freescale Semiconductor
FPLS[1:0]
FPHS[1:0]
FPLS[1:0]
FPHS[1:0]
FPOPEN=1
FPOPEN=0