W25Q32DWZEIG【PDF 2/82 页】IC FLASH SPI 32MBIT 8WSON

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W25Q32DW

Table of Contents

1.

2.

3.

4.

5.

6.

7.

GENERAL DESCRIPTION ............................................................................................................... 5

FEATURES ....................................................................................................................................... 5

PIN CONFIGURATION SOIC 208-MIL ............................................................................................. 6

PAD CONFIGURATION WSON 6X5-MM / 8X6-MM........................................................................ 6

PIN DESCRIPTION SOIC 208-MIL, WSON 6X5/8X6-MM ............................................................... 6

PIN CONFIGURATION SOIC 300-MIL ............................................................................................. 7

PIN DESCRIPTION SOIC 300-MIL .................................................................................................. 7

7.1

7.2

7.3

7.4

7.5

7.6

Package Types ..................................................................................................................... 8

Chip Select (/CS) .................................................................................................................. 8

Serial Data Input, Output and IOs (DI, DO and IO0, IO1, IO2, IO3) ..................................... 8

Write Protect (/WP) .............................................................................................................. 8

HOLD (/HOLD) ..................................................................................................................... 8

Serial Clock (CLK) ................................................................................................................ 8

8.

9.

BLOCK DIAGRAM ............................................................................................................................ 9

FUNCTIONAL DESCRIPTION ....................................................................................................... 10

9.1

SPI/QPI OPERATIONS ...................................................................................................... 10

9.1.1

9.1.2

9.1.3

9.1.4

9.1.5

Standard SPI Instructions ..................................................................................................... 10

Dual SPI Instructions ............................................................................................................ 10

Quad SPI Instructions ........................................................................................................... 11

QPI Instructions .................................................................................................................... 11

Hold Function ....................................................................................................................... 11

9.2

WRITE PROTECTION ....................................................................................................... 12

9.2.1

Write Protect Features ......................................................................................................... 12

10.

CONTROL AND STATUS REGISTERS......................................................................................... 13

10.1

STATUS REGISTER .......................................................................................................... 13

10.1.1

10.1.2

10.1.3

10.1.4

10.1.5

10.1.6

10.1.7

10.1.8

10.1.9

10.1.10

10.1.11

10.1.12

BUSY .................................................................................................................................. 13

Write Enable Latch (WEL) .................................................................................................. 13

Block Protect Bits (BP2, BP1, BP0) .................................................................................... 13

Top/Bottom Block Protect (TB) ........................................................................................... 13

Sector/Block Protect (SEC) ................................................................................................ 13

Complement Protect (CMP)................................................................................................ 14

Status Register Protect (SRP1, SRP0)............................................................................... 14

Erase/Program Suspend Status (SUS) .............................................................................. 14

Security Register Lock Bits (LB3, LB2, LB1, LB0) .............................................................. 14

Quad Enable (QE) ............................................................................................................ 15

W25Q32DW Status Register Memory Protection (CMP = 0) ........................................... 16

W25Q32DW Status Register Memory Protection (CMP = 1) ........................................... 17

-2-

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