S912XEG128J2MAA Datasheet, PDF (846/1324 Pages) Freescale Semiconductor, Inc – Microcontrollers

Chapter 24 128 KByte Flash Module (S12XFTM128K2V1)
Table 24-12. Flash Security States
SEC[1:0]
Status of Security
00
SECURED
01
SECURED⁽¹⁾
10
UNSECURED
11
SECURED
1. Preferred SEC state to set MCU to secured state.
The security function in the Flash module is described in Section 24.5.
24.3.2.3 Flash CCOB Index Register (FCCOBIX)
The FCCOBIX register is used to index the FCCOB register for Flash memory operations.
Offset Module Base + 0x0002
7
6
5
4
3
2
1
0
R
0
0
0
0
0
W
CCOBIX[2:0]
Reset
0
0
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 24-7. FCCOB Index Register (FCCOBIX)
CCOBIX bits are readable and writable while remaining bits read 0 and are not writable.
Table 24-13. FCCOBIX Field Descriptions
Field
Description
2–0
Common Command Register Index— The CCOBIX bits are used to select which word of the FCCOB register
CCOBIX[1:0] array is being read or written to. See Section 24.3.2.11, “Flash Common Command Object Register (FCCOB),”
for more details.
24.3.2.4 Flash ECCR Index Register (FECCRIX)
The FECCRIX register is used to index the FECCR register for ECC fault reporting.
Offset Module Base + 0x0003
7
6
5
4
3
2
1
0
R
0
0
0
0
0
W
ECCRIX[2:0]
Reset
0
0
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 24-8. FECCR Index Register (FECCRIX)
ECCRIX bits are readable and writable while remaining bits read 0 and are not writable.
MC9S12XE-Family Reference Manual Rev. 1.25
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Freescale Semiconductor