Freescale Semiconductor Tower System Module S12G240 TWR-S12G240 TWR-S12G240 数据表
产品代码
TWR-S12G240
128 KByte Flash Module (S12FTMRG128K1V1)
MC9S12G Family Reference Manual,
Rev.1.23
1054
Freescale Semiconductor
Figure 29-14. 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
FPLDIS = 1
FPHDIS = 1
FPLDIS = 0
FPLDIS = 0
FPHDIS = 0
FPLDIS = 1
FPLDIS = 1
FPHDIS = 0
FPLDIS = 0
FPLDIS = 0
Scenario
Scenario
Unprotected region
Protected region with size
Protected region
Protected region with size
defined by FPLS
defined by FPHS
not defined by FPLS, FPHS
0x3_8000
0x3_FFFF
0x3_8000
0x3_FFFF
FLASH START
FLASH START
FPOPEN = 1
FPOPEN = 0