S25FL004K Meet Spansion Inc., S25FL004K Datasheet - Page 48

• Manufacturer Part Number: S25FL004K
• Description: 4-mbit / 8-mbit / 16-mbit Cmos 3.0 Volt Flash Memory With 104-mhz Spi Serial Peripheral Interface Multi I/o Bus
• Manufacturer: Meet Spansion Inc.

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Erase / Program Resume (7Ah)
The Erase/Program Resume instruction “7Ah” must be written to resume the Sector or Block Erase operation
or the Page Program operation after an Erase/Program Suspend. The Resume instruction “7Ah” will be
accepted by the device only if the SUS bit in the Status Register equals to 1 and the BUSY bit equals to 0.
After issued the SUS bit will be cleared from 1 to 0 immediately, the BUSY bit will be set from 0 to 1 within
200 ns and the Sector or Block will complete the erase operation or the page will complete the program
operation. If the SUS bit equals to 0 or the BUSY bit equals to 1, the Resume instruction “7Ah” will be ignored
by the device. The Erase/Program Resume instruction sequence is shown in
Resume instruction is ignored if the previous Erase/Program Suspend operation was interrupted by
unexpected power off. It is also required that a subsequent Erase/Program Suspend instruction not to be
issued within a minimum of time of “t
CLK
CS#
SI
Mode 3
Mode 0
0
1
Figure 7.27 Erase/Program Resume Instruction Sequence
S25FL004K / S25FL008K / S25FL016K
Instruction (7Ah)
2
3
SUS
4
” following a previous Resume instruction.
5
D a t a
6
7
S h e e t
S25FL004K-016K_00_02 July 14, 2011
Figure
Mode 3
Mode 0
Resume Sector or Block Erase
7.27.