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W25X40BLSNIG Datasheet(PDF) 2 Page - Winbond |
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W25X40BLSNIG Datasheet(HTML) 2 Page - Winbond |
2 / 53 page W25X10BL/20BL/40BL - 2 - Table of Contents 1. GENERAL DESCRIPTION.......................................................................................................... 4 2. FEATURES ................................................................................................................................. 4 3. PIN CONFIGURATION SOIC 150-MIL / 208-MIL....................................................................... 5 4. PAD CONFIGURATION WSON 6X5-MM................................................................................... 5 5. PIN CONFIGURATION PDIP 300-MIL ....................................................................................... 6 6. PIN DESCRIPTION SOIC 150 / 208-MIL, PDIP 300-MIL, WSON 6X5-MM ............................... 6 6.1 Package Types ............................................................................................................... 7 6.2 Chip Select (/CS) ............................................................................................................ 7 6.3 Serial Data Input, Output and IOs (DI, DO, IO0 and IO1)............................................... 7 6.4 Write Protect (/WP)......................................................................................................... 7 6.5 HOLD (/HOLD)................................................................................................................ 7 6.6 Serial Clock (CLK) .......................................................................................................... 7 7. BLOCK DIAGRAM ...................................................................................................................... 8 8. FUNCTIONAL DESCRIPTION.................................................................................................... 9 8.1 SPI OPERATIONS.......................................................................................................... 9 8.1.1 Standard SPI Instructions ................................................................................................9 8.1.2 Dual SPI Instructions........................................................................................................9 8.1.3 Hold Function ...................................................................................................................9 8.2 WRITE PROTECTION ................................................................................................. 10 8.2.1 Write Protect Features ...................................................................................................10 9. CONTROL AND STATUS REGISTERS ................................................................................... 11 9.1 STATUS REGISTER .................................................................................................... 11 9.1.1 BUSY..............................................................................................................................11 9.1.2 Write Enable Latch (WEL) .............................................................................................11 9.1.3 Block Protect Bits (BP2, BP1, BP0) ...............................................................................11 9.1.4 Top/Bottom Block Protect (TB).......................................................................................11 9.1.5 Reserved Bits .................................................................................................................11 9.1.6 Status Register Protect (SRP)........................................................................................12 9.1.7 Status Register Memory Protection................................................................................13 9.2 INSTRUCTIONS ........................................................................................................... 14 9.2.1 Manufacturer and Device Identification ..........................................................................14 9.2.2 Instruction Set ................................................................................................................15 9.2.3 Write Enable (06h) .........................................................................................................16 9.2.4 Write Disable (04h) ........................................................................................................16 9.2.5 Read Status Register (05h)............................................................................................18 9.2.6 Write Status Register (01h)............................................................................................19 9.2.7 Read Data (03h).............................................................................................................21 9.2.8 Fast Read (0Bh) .............................................................................................................22 |
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