W25X10BV/20BV/40BV
Table of Contents
1.
2.
3.
4.
5.
6.
GENERAL DESCRIPTION ......................................................................................................... 4
FEATURES................................................................................................................................. 4
PIN CONFIGURATION SOIC 150-MIL / 208-MIL ...................................................................... 5
PAD CONFIGURATION WSON 6X5-MM .................................................................................. 5
PIN CONFIGURATION PDIP 300-MIL ....................................................................................... 6
PIN DESCRIPTION SOIC 150 / 208-MIL, PDIP 300-MIL, WSON 6X5-MM............................... 6
6.1
6.2
6.3
6.4
6.5
6.6
Package Types............................................................................................................... 7
Chip Select (/CS)............................................................................................................ 7
Serial Data Input, Output and IOs (DI, DO, IO0 and IO1) .............................................. 7
Write Protect (/WP)......................................................................................................... 7
HOLD (/HOLD) ............................................................................................................... 7
Serial Clock (CLK) .......................................................................................................... 7
7.
8.
BLOCK DIAGRAM ...................................................................................................................... 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)............................................................................................17
9.2.6 Write Status Register (01h) ............................................................................................18
9.2.7 Read Data (03h).............................................................................................................19
9.2.8 Fast Read (0Bh).............................................................................................................20
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