upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 470

• Manufacturer Part Number: upd78f0730
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

470
Boot
cluster 1
Boot
cluster 0
Booted by boot cluster 0
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2
1
0
Block number
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1
0
Erasing block 2
Writing blocks 5 to 7
Boot program
Boot program
Boot program
Boot program
New boot program
New boot program
New boot program
New boot program
Program
Program
Program
Program
Boot program
7
6
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2
1
0
New boot program
New boot program
New boot program
New boot program
Boot program
Boot program
Boot program
Boot program
1 0 0 0 H
0 0 0 0 H
Figure 19-18. Example of Executing Boot Swapping
7
6
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1
0
Erasing block 3
New boot program
New boot program
New boot program
New boot program
Erasing block 4
7
6
5
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3
2
1
0
Boot program
Boot program
Boot program
Boot program
Booted by boot cluster 1
Program
Program
Program
Preliminary User’s Manual U19014EJ1V0UD
7
6
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1
0
CHAPTER 19 FLASH MEMORY
New boot program
New boot program
New boot program
New boot program
Boot swap
Boot program
Boot program
Boot program
Boot program
Writing blocks 0 to 3
0 0 0 0 H
1 0 0 0 H
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1
0
Erasing block 5
7
6
5
4
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1
0
New boot program
New boot program
New boot program
New boot program
New boot program
New boot program
New boot program
New boot program
Boot program
Boot program
Boot program
Boot program
Program
Program
Erasing block 0
7
6
5
4
3
2
1
0
New boot program
New boot program
New boot program
New boot program
Boot program
Boot program
Boot program
Booted by boot cluster 0
Erasing block 6
7
6
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4
3
2
1
0
7
6
5
4
3
2
1
0
Boot program
Boot program
Boot program
Boot program
Program
Boot swap
New boot program
New boot program
New boot program
New boot program
New boot program
New boot program
New boot program
New boot program
7
6
5
4
3
2
1
0
Erasing block 1
New boot program
New boot program
New boot program
New boot program
Boot program
Boot program
1 0 0 0 H
0 0 0 0 H
7
6
5
4
3
2
1
0
Erasing block 7
Boot program
Boot program
Boot program
Boot program