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CHAPTER 25 DUAL OPERATION FLASH MEMORY
25.5 Programming/Erasing Flash Memory
Figure 25.5-1 Sample Procedure for Programming to Flash Memory
Program error
548
Start of programming
FSR:WRE
Enable Flash memory programming.
SWRE0
Enable/disable programming data to a sector.
(Write "0" to disable programming data or "1" to enable
programming data to a sector.)
Programming command sequence
(1) 0xUAAA ← 0xAA
(2) 0xU554 ← 0x55
(3) 0xUAAA ← 0xA0
(4) Program address ← Program data
Read internal address.
Data polling
(DQ7)
Data
0
Execution timeout
(DQ5)
Read internal address.
Data
Data polling
(DQ7)
Data
Last address?
FSR:WRE
Disable Flash memory programming.
End of programming
FUJITSU SEMICONDUCTOR LIMITED
Data
1
NO
YES
MB95630H Series
Next address
MN702-00009-1v0-E
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