D a t a S h e e t ( P r e l i m i n a r y )
9.12 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 Figure 9.12 and Table 9.4.
The host system must drive CS# high tRES(max) after the 8-bit RES command byte. The device transitions
from DP mode to the standby mode after a delay of tRES (see Table 16.1 on page 30). In the standby mode,
the device can execute any read or write command.
Figure 9.12 Release from Deep Power Down (RES) Command Sequence
CS#
7
0
2
3
5
1
4
6
Mode 3
SCK
Mode 0
tRES
Command
SI
Hi-Z
SO
Deep Power-down Mode
Standby Mode
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SPANSION [ SPANSION ]
