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W25X20CLUXIG-TR Datasheet(PDF) 2 Page - Winbond |
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W25X20CLUXIG-TR Datasheet(HTML) 2 Page - Winbond |
2 / 50 page W25X20CL Publication Release Date: August 06, 2015 - 2 - Revision F Table of Contents 1. GENERAL DESCRIPTION ......................................................................................................... 4 2. FEATURES ................................................................................................................................. 4 3. PIN CONFIGURATION SOIC 150-MIL, VSOP 150-MIL ............................................................ 5 4. PAD CONFIGURATION WSON 6X5-MM AND USON 2X3-MM................................................ 5 5. PIN DESCRIPTION SOIC\VSOP 150-MIL, WSON 6X5-MM AND USON 2X3-MM................... 5 5.1 Package Types ............................................................................................................... 6 5.2 Chip Select (/CS) ............................................................................................................ 6 5.3 Serial Data Input, Output and IOs (DI, DO, IO0 and IO1) .............................................. 6 5.4 Write Protect (/WP) ......................................................................................................... 6 5.5 HOLD (/HOLD)................................................................................................................ 6 5.6 Serial Clock (CLK) .......................................................................................................... 6 6. BLOCK DIAGRAM ...................................................................................................................... 7 7. FUNCTIONAL DESCRIPTION.................................................................................................... 8 7.1 SPI OPERATIONS.......................................................................................................... 8 7.1.1 Standard SPI Instructions .................................................................................................8 7.1.2 Dual SPI Instructions ........................................................................................................8 7.1.3 Hold Function....................................................................................................................8 7.2 WRITE PROTECTION.................................................................................................... 9 7.2.1 Write Protect Features ......................................................................................................9 8. CONTROL AND STATUS REGISTERS................................................................................... 10 8.1 STATUS REGISTER .................................................................................................... 10 8.1.1 BUSY ..............................................................................................................................10 8.1.2 Write Enable Latch (WEL) ..............................................................................................10 8.1.3 Block Protect Bits (BP1, BP0) .........................................................................................10 8.1.4 Top/Bottom Block Protect (TB) .......................................................................................10 8.1.5 Reserved Bits .................................................................................................................11 8.1.6 Status Register Protect (SRP) ........................................................................................11 8.1.7 Status Register Memory Protection ................................................................................12 8.2 INSTRUCTIONS ........................................................................................................... 13 8.2.1 Manufacturer and Device Identification...........................................................................13 8.2.2 Instruction Set (1) .............................................................................................................14 8.2.3 Write Enable (06h) ..........................................................................................................15 8.2.4 Write Enable for Volatile Status Register (50h)...............................................................15 8.2.5 Write Disable (04h) .........................................................................................................16 8.2.6 Read Status Register (05h) ............................................................................................16 8.2.7 Write Status Register (01h).............................................................................................17 8.2.8 Read Data (03h) .............................................................................................................18 8.2.9 Fast Read (0Bh)..............................................................................................................19 8.2.10 Fast Read Dual Output (3Bh) .......................................................................................20 8.2.11 Fast Read Dual I/O (BBh) .............................................................................................21 8.2.12 Continuous Read Mode Bits (M7-0)..............................................................................23 8.2.13 Continuous Read Mode Reset (FFFFh)........................................................................23 |
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