W25Q64FW
Table of Contents
1. GENERAL DESCRIPTIONS............................................................................................................. 5
2. FEATURES ....................................................................................................................................... 5
3. PACKAGE TYPES AND PIN CONFIGURATIONS........................................................................... 6
3.1 Pin Configuration SOIC / VSOP 208-mil .............................................................................. 6
3.2 Pad Configuration WSON 6x5-mm / 8x6-mm, XSON 4x4-mm............................................ 6
3.3 Pin Description SOIC/VSOP 208-mil, WSON 6x5-mm/ 8x6-mm, XSON 4x4-mm............... 6
3.4 Ball Configuration WLCSP ................................................................................................... 7
3.5 Ball Description WLCSP....................................................................................................... 7
4. PIN DESCRIPTIONS ........................................................................................................................ 8
4.1 Chip Select (/CS) .................................................................................................................. 8
4.2 Serial Data Input, Output and IOs (DI, DO and IO0, IO1, IO2, IO3)..................................... 8
4.3 Write Protect (/WP) .............................................................................................................. 8
4.4 HOLD (/HOLD) ..................................................................................................................... 8
4.5 Serial Clock (CLK) ................................................................................................................ 8
4.6 Reset (/RESET) .................................................................................................................... 8
5. BLOCK DIAGRAM ............................................................................................................................ 9
6. FUNCTIONAL DESCRIPTIONS ..................................................................................................... 10
6.1 SPI / QPI Operations .......................................................................................................... 10
6.1.1 Standard SPI Instructions .....................................................................................................10
6.1.2 Dual SPI Instructions ............................................................................................................10
6.1.3 Quad SPI Instructions...........................................................................................................11
6.1.4 QPI Instructions ....................................................................................................................11
6.1.5 Hold Function .......................................................................................................................11
6.1.6 Software Reset & Hardware /RESET pin..............................................................................11
6.2 Write Protection .................................................................................................................. 13
6.2.1 Write Protect Features .........................................................................................................13
7. STATUS AND CONFIGURATION REGISTERS ............................................................................ 14
7.1 Status Registers ................................................................................................................. 14
7.1.1 Erase/Write In Progress (BUSY) – Status Only ................................................................14
7.1.2 Write Enable Latch (WEL) – Status Only ..........................................................................14
7.1.3 Block Protect Bits (BP2, BP1, BP0) – Volatile/Non-Volatile Writable ................................14
7.1.4 Top/Bottom Block Protect (TB) – Volatile/Non-Volatile Writable .......................................15
7.1.5 Sector/Block Protect Bit (SEC) – Volatile/Non-Volatile Writable .......................................15
7.1.6 Complement Protect (CMP) – Volatile/Non-Volatile Writable............................................15
7.1.7 Status Register Protect (SRP1, SRP0) – Volatile/Non-Volatile Writable...........................15
7.1.8 Erase/Program Suspend Status (SUS) – Status Only.......................................................16
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