UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 615

• 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

(1) During on-board/off-board programming
Note Confirm that no data has been written to the write area. Because data cannot be erased after batch erase
(2) During self programming
(1) On-board/off-board programming
(2) Self programming
Prohibition of batch erase (chip erase)
Prohibition of block erase
Prohibition of writing
Prohibition of rewriting boot cluster 0
Prohibition of batch erase (chip erase)
Prohibition of block erase
Prohibition of writing
Prohibition of rewriting boot cluster 0
Prohibition of batch erase (chip erase)
Prohibition of block erase
Prohibition of writing
Prohibition of rewriting boot cluster 0
Prohibition of batch erase (chip erase)
Prohibition of block erase
Prohibition of writing
Prohibition of rewriting boot cluster 0
Table 24-11 shows how to perform security settings in each programming mode.
(chip erase) is prohibited, do not write data if the data has not been erased.
Security
Security
Valid Security
Valid Security
Table 24-10. Relationship Between Enabling Security Function and Command
Table 24-11. Setting Security in Each Programming Mode
Set by using information library.
Set via GUI of dedicated flash memory
programmer, etc.
CHAPTER 24 FLASH MEMORY
Blocks can be erased.
Boot cluster 0 cannot be erased.
Cannot be erased in batch
Can be erased in batch.
Cannot be erased in batch
Batch Erase (Chip Erase)
User’s Manual U17554EJ4V0UD
Security Setting
Security Setting
Block Erase
Blocks cannot be
erased.
Boot cluster 0 cannot be
erased.
Executed Command
Executed Command
Block Erase
Cannot be disabled after set.
Execute batch erase (chip erase)
command
Cannot be disabled after set.
Cannot be disabled after set.
Execute batch erase (chip erase)
command during on-board/off-board
programming (cannot be disabled during
self programming)
Cannot be disabled after set.
Can be performed.
Boot cluster 0 cannot be written.
How to Disable Security Setting
How to Disable Security Setting
Can be performed
Can be performed.
Cannot be performed.
Boot cluster 0 cannot be
written.
Write
Write
Note
.
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