X25F087 Datasheet, PDF (5/13 Pages) Xicor Inc. – SPI SerialFlash with Block Lock TM Protection

X25F087
Figure 3. Read Status Operation Sequence
CS
SCK
01234567
...
READ STATUS
INSTRUCTION
SI
NONVOLATILE WRITE IN PROGRESS
SO
...
... ^{B B B}
LL L
21 0
SO HIGH DURING
NONVOLATILE
WRITE CYCLE
SO = STATUS REG BIT
WHEN NO NONVOLATILE
WRITE CYCLE
7007 FRM 04
Figure 4. Program Enable/Program Disable Sequence
CS
SCK
SI
01234567
INSTRUCTION
(1 BYTE)
HIGH IMPEDANCE
SO
7007 FRM 05
5