Flash OTP area erase mode
1. Enable program mode.
2. Reset page buffer. FEMR: 1000_0001 FECR:0000_0010
3. Select page buffer. FEMR:1000_1001
4. Write ‘h00 to page buffer. (Data value is not important.)
5. Set erase mode and select OTP area. FEMR:1001_0101
6. Set page address. FEARH:FEARM:FEARL=20’hx_xxxx
7. Set FETCR.
8. Start erase. FECR:0000_1011
9. Insert one NOP operation
10. Read FESR until PEVBSY is 1.
Flash program verify mode
1. Enable program mode.
2. Set program verify mode. FEMR:1010_0011
3. Read data from Flash.
OTP program verify mode
1. Enable program mode.
2. Set program verify mode. FEMR:1010_0111
3. Read data from Flash.
Flash erase verify mode
1. Enable program mode.
2. Set erase verify mode. FEMR:1001_0011
3. Read data from Flash.
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