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S25FS256S Datasheet(PDF) 122 Page - SPANSION

Part # S25FS256S
Description  MirrorBit Flash Non-Volatile Memory
PDF  154 Pages
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S25FS256S Datasheet(HTML) 122 Page - SPANSION

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S25FS-S Family
S25FS-S_00_04 November 6, 2013
Data
Sheet
(Pre limin ar y)
This command is also supported in QPI Mode. In QPI Mode the instruction is shifted in on IO0-IO3, two clock
cycles per byte.
Figure 10.55 Program or Erase Suspend Command Sequence QPI Mode
10.6.6
Erase or Program Resume (EPR 7Ah, 8Ah, 30h)
There are three instruction codes for Erase or Program Resume (EPR) to enable legacy and alternate source
software compatibility.
After program or read operations are completed during a program or erase suspend the Erase or Program
Resume command is sent to continue the suspended operation.
After an Erase or Program Resume command is issued, the WIP bit in the Status Register 1 will be set to a 1
and the programming operation will resume if one is suspended. If no program operation is suspended the
suspended erase operation will resume. If there is no suspended program or erase operation the resume
command is ignored.
Program or erase operations may be interrupted as often as necessary e.g. a program suspend command
could immediately follow a program resume command but, in order for a program or erase operation to
progress to completion there must be some periods of time between resume and the next suspend command
greater than or equal to tRS. See Table 11.2, Program or Erase Suspend AC Parameters on page 134.
An Erase or Program Resume command must be written to resume a suspended operation.
Figure 10.56 Erase or Program Resume Command Sequence
Figure 10.57 Erase or Program Resume Command Sequence QPI Mode
CS#
SCLK
IO0
IO1
IO2
IO3
Phase
4
0
5
1
6
2
7
3
Instruction
CS#
SCK
SI
SO
Phase
7
6
5
4
3
2
1
0
Instruction
CS#
SCLK
IO0
IO1
IO2
IO3
Phase
4
0
5
1
6
2
7
3
Instruction



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