Document
W25X16BV
16M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI
The W25Q16BV is recommended for all new 16Mb designs. The W25X16BV is available for existing designs that require "25X" device ID for firmware compatibility.
Publication Release Date: October 7, 2009
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Preliminary -- Revision C
W25X16BV
Table of Contents
1.
GENERAL DESCRIPTION ......................................................................................................... 4
2.
FEATURES ................................................................................................................................. 4
3.
PIN CONFIGURATION SOIC 150 / 208-MIL.............................................................................. 5
4.
PAD CONFIGURATION WSON 6X5-MM .................................................................................. 5
5.
PAD CONFIGURATION PDIP 300-MIL...................................................................................... 6
6.
PIN DESCRIPTION SOIC 150 / 208-MIL, PDIP 300-MIL, WSON 6X5-MM............................... 6
7.
PIN CONFIGURATION SOIC 300-MIL....................................................................................... 7
8.
PIN DESCRIPTION SOIC 300-MIL ............................................................................................ 7
8.1 Package Types ............................................................................................................... 8
8.2 Chip Select (/CS) ............................................................................................................ 8
8.3 Serial Data Output (DO) ................................................................................................. 8
8.4 Write Protect (/WP)......................................................................................................... 8
8.5 HOLD (/HOLD) ............................................................................................................... 8
8.6 Serial Clock (CLK) .......................................................................................................... 8
8.7 Serial Data Input / Output (DIO) ..................................................................................... 8
9.
BLOCK DIAGRAM ...................................................................................................................... 9
10. FUNCTIONAL DESCRIPTION ................................................................................................. 10
10.1 SPI OPERATIONS ....................................................................................................... 10
10.1.1 SPI Modes ....................................................................................................................10
10.1.2 Dual Output SPI............................................................................................................10
10.1.3 Hold Function ...............................................................................................................10
10.2 WRITE PROTECTION.................................................................................................. 11
10.2.1 Write Protect Features..................................................................................................11
11. CONTROL AND STATUS REGISTERS................................................................................... 12
11.1 STATUS REGISTER .................................................................................................... 12
11.1.1 BUSY............................................................................................................................12
11.1.2 Write Enable Latch (WEL) ............................................................................................12
11.1.3 Block Protect Bits (BP2, BP1, BP0)..............................................................................12
11.1.4 Top/Bottom Block Protect (TB).....................................................................................12
11.1.5 Reserved Bits ...............................................................................................................12
11.1.6 Status Register Protect (SRP) ......................................................................................13
11.1.7 Status Register Memory Protection ..............................................................................13
11.2 INSTRUCTIONS........................................................................................................... 14
11.2.1 Manufacturer and Device Identification.........................................................................14
11.2.2 Instruction Set...............................................................................................................15
11.2.3 Write Enable (06h)........................................................................................................16
11.2.4 Write Dis.