W25P80 / W25P16 / W25P32
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Table of Contents-
1.
GENERAL DESCRIPTION ......................................................................................................... 4
2.
FEATURES ................................................................................................................................. 4
3.
PIN CONFIGURATION 208-MIL................................................................................................. 5
4.
PIN DESCRIPTION 208-MIL ...................................................................................................... 5
5.
PIN CONFIGURATION 300-MIL................................................................................................. 6
6.
PIN DESCRIPTION 300-MIL ...................................................................................................... 6
6.1
Package Types ............................................................................................................... 7
6.2
Chip Select (/CS) ............................................................................................................ 7
6.3
Serial Data Output (DO) ................................................................................................. 7
6.4
Write Protect (/WP)......................................................................................................... 7
6.5
HOLD (/HOLD) ............................................................................................................... 7
6.6
Serial Clock (CLK) .......................................................................................................... 7
6.7
Serial Data Input (DI) ...................................................................................................... 7
7.
BLOCK DIAGRAM ...................................................................................................................... 8
8.
FUNCTIONAL DESCRIPTION ................................................................................................... 9
8.1
SPI OPERATIONS ......................................................................................................... 9
8.1.1
SPI Modes........................................................................................................................9
8.1.2
HOLD Function.................................................................................................................9
8.2
WRITE PROTECTION.................................................................................................... 9
8.2.1
Write Protect Features......................................................................................................9
9.
CONTROL AND STATUS REGISTERS................................................................................... 10
9.1
STATUS REGISTER .................................................................................................... 10
9.1.1
BUSY..............................................................................................................................10
9.1.2
Write Enable Latch (WEL) ..............................................................................................10
9.1.3
Block Protect Bits (BP2, BP1, BP0)................................................................................11
9.1.4
Reserved Bits .................................................................................................................11
9.1.5
Status Register Protect (SRP) ........................................................................................11
9.1.6
Status Register Memory Protection ................................................................................12
9.2
INSTRUCTIONS........................................................................................................... 13
9.2.1
Manufacturer and Device Identification...........................................................................13
9.2.2
Instruction Set
(1).............................................................................................................14
9.2.3
Write Disable (04h).........................................................................................................15
9.2.4
Write Enable (06h)..........................................................................................................15
9.2.5
Read Status Register (05h) ............................................................................................16
9.2.6
Write Status Register (01h) ............................................................................................17
9.2.7
Read Data (03h) .............................................................................................................18