Datasheet

Chapter 26 384 KByte Flash Module (S12XFTM384K2V1)
MC9S12XE-Family Reference Manual Rev. 1.25
976 Freescale Semiconductor
Figure 26-14. P-Flash Protection Scenarios
7 6 5 4
FPHS[1:0] FPLS[1:0]
3 2 1 0
FPHS[1:0] FPLS[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
FLASH START
FLASH START
FPOPEN = 1FPOPEN = 0