S25FL008A Meet Spansion Inc., S25FL008A Datasheet - Page 22

• Manufacturer Part Number: S25FL008A
• Description: 8-megabit Cmos 3.0 Volt Flash Memory With 50 Mhz Spi Bus Interface
• Manufacturer: Meet Spansion Inc.

9.12
22
Release from Deep Power Down (RES)
The device requires the Release from Deep Power Down (RES) command to exit the Deep Power Down
mode. When the device is in the Deep Power Down mode, all commands except RES are ignored.
The host system must drive CS# low and write the RES command to SI. CS# must be driven low for the entire
duration of the sequence. The command sequence is shown in
The host system must drive CS# high t
from DP mode to the standby mode after a delay of t
the device can execute any read or write command.
SCK
CS#
SO
SI
Hi-Z
Mode 3
Mode 0
Figure 9.12 Release from Deep Power Down (RES) Command Sequence
SCK
CS#
SI
SO
Mode 3
Mode 0
Hi-Z
Figure 9.11 Deep Power Down (DP) Command Sequence
0
1
0
RES(max)
2
S25FL008A
Command
1
Deep Power-down Mode
3
D a t a
2
4
after the 8-bit RES command byte. The device transitions
Command
3
5
RES
4
Standby Mode
6
S h e e t
(see
5
7
6
Table 16.1 on page
Figure 9.12
7
t DP
t
RES
and
S25FL008A_00_B2 June 29, 2007
Deep Power-down Mode
Standby Mode
Table 9.4 on page
27). In the standby mode,
23.