SC9S12XS256J1MAA FREESCALE [Freescale Semiconductor, Inc], SC9S12XS256J1MAA Datasheet - Page 518
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SC9S12XS256J1MAA
Manufacturer Part Number
SC9S12XS256J1MAA
Description
HCS12 Microcontrollers
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.SC9S12XS256J1MAA.pdf
(736 pages)
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256 KByte Flash Module (S12XFTMR256K1V1)
The security function in the Flash module is described in
18.3.2.3
The FCCOBIX register is used to index the FCCOB register for Flash memory operations.
CCOBIX bits are readable and writable while remaining bits read 0 and are not writable.
18.3.2.4
The FECCRIX register is used to index the FECCR register for ECC fault reporting.
ECCRIX bits are readable and writable while remaining bits read 0 and are not writable.
518
ECCRIX[2:0]
CCOBIX[1:0]
Offset Module Base + 0x0002
Offset Module Base + 0x0003
Reset
Reset
Field
Field
2-0
2–0
W
W
R
R
ECC Error Register Index— The ECCRIX bits are used to select which word of the FECCR register array is
being read. See
Flash CCOB Index Register (FCCOBIX)
Flash ECCR Index Register (FECCRIX)
0
0
0
0
7
Common Command Register Index— The CCOBIX bits are used to select which word of the FCCOB register
array is being read or written to. See
for more details.
7
= Unimplemented or Reserved
= Unimplemented or Reserved
0
0
0
0
6
6
1
Section 18.3.2.14, “Flash ECC Error Results Register
Preferred SEC state to set MCU to secured state.
Figure 18-7. FCCOB Index Register (FCCOBIX)
Figure 18-8. FECCR Index Register (FECCRIX)
Table 18-11. FCCOBIX Field Descriptions
Table 18-12. FECCRIX Field Descriptions
S12XS Family Reference Manual, Rev. 1.09
0
0
0
0
5
5
Section 18.3.2.11, “Flash Common Command Object Register
0
0
0
0
4
4
Description
Description
Section
0
0
0
0
3
3
18.5.
(FECCR),” for more details.
0
0
2
2
CCOBIX[2:0]
ECCRIX[2:0]
Freescale Semiconductor
0
0
1
1
(FCCOB),”
0
0
0
0
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