NXP Semiconductors MC9S12G - Page 1142

240 KByte Flash Module (S12FTMRG240K2V1)
MC9S12G Family Reference Manual Rev.1.27
1144 NXP Semiconductors
Figure 31-14. 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
0x3_8000
0x3_FFFF
0x3_8000
0x3_FFFF
FLASH START
FLASH START
FPOPEN = 1FPOPEN = 0