The algorithm for programming the Fuse
High bits is as follows (Please refer to Programming the Flash for details on Command and Data loading):
- 1.Step A: Load Command “0100
0000”.
- 2.Step C: Load Data Low Byte. Bit n =
“0” programs and bit n = “1” erases the Fuse bit.
- 3.Set BS1 to “1” and BS2 to “0”. This
selects high data byte.
- 4.Give WR a
negative pulse and wait for RDY/BSY to go high.
- 5.Set BS1 to “0”. This selects low
data byte.