UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 629

• Manufacturer Part Number: UPD78F0890GK(A)-GAJ-AX
• Description: 8BIT MCU, 128K FLASH, 7K RAM, LQFP
• Manufacturer: NEC

Specifications of UPD78F0890GK(A)-GAJ-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 10
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

Boot
cluster 1
Boot
cluster 0
Booted by boot cluster 0
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Block number
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Erasing block 2
Writing blocks 5 to 7
Boot program
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Program
Program
Program
Program
Boot program
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1
0
New boot program
New boot program
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New boot program
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Boot program
1 0 0 0 H
0 0 0 0 H
Figure 24-21. Example of Executing Boot Swapping
7
6
5
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2
1
0
Erasing block 3
New boot program
New boot program
New boot program
New boot program
Erasing block 4
7
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3
2
1
0
Boot program
Boot program
Boot program
Boot program
Booted by boot cluster 1
Program
Program
Program
7
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2
1
0
CHAPTER 24 FLASH MEMORY
New boot program
New boot program
New boot program
New boot program
Boot swap
Boot program
Boot program
Boot program
Boot program
User’s Manual U17554EJ4V0UD
Writing blocks 0 to 3
0 0 0 0 H
1 0 0 0 H
7
6
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4
3
2
1
0
Erasing block 5
7
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4
3
2
1
0
New boot program
New boot program
New boot program
New boot program
New boot program
New boot program
New boot program
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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
5
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3
2
1
0
Boot swap canceled
7
6
5
4
3
2
1
0
Boot program
Boot program
Boot program
Boot program
Program
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
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