UPD78F0411GA-GAM-AX Datasheet, PDF (527/564 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 24 FLASH MEMORY
Figure 24-14. Example of Executing Boot Swapping
Block number
Boot
cluster 1
Boot
cluster 0
7 Program
6 Program
5 Program
4 Program
3 _{Boot program}
2 Boot program
1 Boot program
0 ^{Boot program}
1000H
0000H
Booted by boot cluster 0
Writing blocks 5 to 7
7 New boot program
6 New boot program
5 New boot program
4 New boot program
3 _{Boot program}
2 Boot program
1 Boot program
0 ^{Boot program}
Erasing block 4
7 Program
6 Program
5 Program
4
3 _{Boot program}
2 Boot program
1 Boot program
0 ^{Boot program}
Erasing block 5
7 Program
6 Program
5
4
3 _{Boot program}
2 Boot program
1 Boot program
0 ^{Boot program}
Erasing block 6
7 Program
6
5
4
3 _{Boot program}
2 Boot program
1 Boot program
0 ^{Boot program}
Erasing block 7
7
6
5
4
3 _{Boot program}
2 Boot program
1 Boot program
0 ^{Boot program}
Boot swap
7 New boot program
6 New boot program
5 New boot program
4 New boot program
3 _{Boot program}
2 Boot program
1 Boot program
0 ^{Boot program}
0000H
1000H
Booted by boot cluster 1
Erasing block 0
7 New boot program
6 New boot program
5 New boot program
4 New boot program
3 _{Boot program}
2 Boot program
1 Boot program
0
Erasing block 1
7 New boot program
6 New boot program
5 New boot program
4 New boot program
3 _{Boot program}
2 Boot program
1
0
Erasing block 2
7 New boot program
6 New boot program
5 New boot program
4 New boot program
3 _{Boot program}
2
1
0
Erasing block 3
7 New boot program
6 New boot program
5 New boot program
4 New boot program
3
2
1
0
Writing blocks 0 to 3
7 New boot program
6 New boot program
5 New boot program
4 New boot program
3 New boot program
2 New boot program
1 New boot program
0 ^{New boot program}
Boot swap
7 New boot program
6 New boot program
5 New boot program
4 New boot program
3 New boot program
2 New boot program
1 New boot program
0 ^{New boot program}
1000H
0000H
Booted by boot cluster 0
User’s Manual U18698EJ1V0UD
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