X25F047 Datasheet, PDF (5/14 Pages) Xicor Inc. – SPI SerialFlash with Block Lock TM Protection

X25F047
Figure 3. Read Status Operation Sequence
CS
SCK
SI
SO
01234567
READ STATUS
INSTRUCTION
NONVOLATILE WRITE IN PROGRESS
SO HIGH DURING
NONVOLATILE
WRITE CYCLE
Figure 4. Program Enable/Program Disable Sequence
CS
SCK
SI
01234567
INSTRUCTION
(1 BYTE)
HIGH IMPEDANCE
SO
...
...
... ^{B B B}
LL L
21 0
SO = STATUS REG BIT
WHEN NO NONVOLATILE
WRITE CYCLE
7005 FRM 04.2
7005 FRM 05.1
5