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18.1.1 Erasure unit
The erasure units for 256 KB flash memory versions are shown below.
(1) Chip erase
The area of xx000000H to xx03FFFFH can be erased at the same time.
(2) Block erase
Erasure can be performed in block units (60 KB × 4, 4 KB × 4).
Block 0: 4 KB
Block 1: 4 KB
Block 2: 4 KB
Block 3: 4 KB
Block 4: 60 KB
Block 5: 60 KB
Block 6: 60 KB
Block 7: 60 KB
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CHAPTER 18 FLASH MEMORY
Preliminary User's Manual U15905EJ1V0UD
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