SST25VF064C Silicon Storage Technology, Inc., SST25VF064C Datasheet - Page 19

• Manufacturer Part Number: SST25VF064C
• Description: 64 Mbit Spi Serial Dual I/o Flash
• Manufacturer: Silicon Storage Technology, Inc.

64 Mbit SPI Serial Dual I/O Flash
SST25VF064C
Write-Disable (WRDI)
The Write-Disable (WRDI) instruction resets the Write-
Enable-Latch bit to ‘0,’ thereby, preventing any new Write
operations. The WRDI instruction will not terminate any
program or erase operation in progress. Any program or
©2009 Silicon Storage Technology, Inc.
FIGURE 18: Write Disable (WRDI) Sequence
SCK
CE#
SO
SI
MODE 3
MODE 0
HIGH IMPEDANCE
MSB
0 1 2 3 4 5 6 7
19
erase operation in progress will continue after executing the
WRDI instruction. CE# must be driven high before the
WRDI instruction is executed.
04
1392 F19.0
S71392-01-000
Data Sheet
4/09