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W25Q32FWTBIQ View Datasheet(PDF) - Winbond

Part NameDescriptionManufacturer
W25Q32FWTBIQ 1.8V 32M-BIT SERIAL FLASH MEMORY WITH DUAL/QUAD SPI & QPI Winbond
Winbond Winbond
W25Q32FWTBIQ Datasheet PDF : 94 Pages
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W25Q32FW
The W25Q32FW is also backward compatible to Winbond’s previous generations of serial flash memories,
in which the Status Register-1&2 can be written using a single “Write Status Register-1 (01h)” command.
To complete the Write Status Register-1&2 instruction, the /CS pin must be driven high after the sixteenth
bit of data that is clocked in as shown in Figure 9c & 9d. If /CS is driven high after the eighth clock, the Write
Status Register-1 (01h) instruction will only program the Status Register-1, the Status Register-2 will not
be affected (Previous generations will clear CMP and QE bits).
/CS
CLK
Mode 3
Mode 0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Mode 3
Mode 0
DI
(IO0)
DO
(IO1)
* = MSB
Instruction (01h)
Status Register 1 in
Status Register 2 in
7 6 5 4 3 2 1 0 15 14 13 12 11 10 9 8
*
*
High Impedance
Figure 9c. Write Status Register-1/2 Instruction (SPI Mode)
/CS
CLK
IO0
Mode 3
Mode 0
012345
Instruction
01h
SR1 in
40
SR2 in
12 8
Mode 3
Mode 0
IO1
5 1 13 9
IO2
6 2 14 10
IO3
7 3 15 11
Figure 9d. Write Status Register-1/2 Instruction (QPI Mode)
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