M25P32
Figure 21. Release from Deep Power-down (RES) Instruction Sequence
S
tRES1
0
1
2
3
4
5
6
7
C
D
Instruction
High Impedance
Q
Deep Power-down Mode
Stand-by Mode
AI04078B
Driving Chip Select (S) High after the 8-bit instruc-
tion byte has been received by the device, but be-
fore the whole of the 8-bit Electronic Signature has
been transmitted for the first time (as shown in Fig-
ure 21.), still ensures that the device is put into
Standby Power mode. If the device was not previ-
ously in the Deep Power-down mode, the transi-
tion to the Standby Power mode is immediate. If
the device was previously in the Deep Power-
down mode, though, the transition to the Standby
Power mode is delayed by t
(S) must remain High for at least t
, and Chip Select
RES1
(max), as
RES1
specified in Table 14.. Once in the Standby Power
mode, the device waits to be selected, so that it
can receive, decode and execute instructions.
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STMICROELECTRONICS [ ST ]
