n25q256 Numonyx, n25q256 Datasheet - Page 6

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n25q256

Manufacturer Part Number
n25q256
Description
256-mbit 3 V, Multiple I/o, 4-kbyte Subsector Erase, Xip Enabled, Serial Flash Memory With 108 Mhz Spi Bus Interface
Manufacturer
Numonyx
Datasheet

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Contents
6/186
9.2
9.3
9.1.43
9.1.44
9.1.45
DIO-SPI Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
9.2.1
9.2.2
9.2.3
9.2.4
9.2.5
9.2.6
9.2.7
9.2.8
9.2.9
9.2.10
9.2.11
9.2.12
9.2.13
9.2.14
9.2.15
9.2.16
9.2.17
9.2.18
9.2.19
9.2.20
9.2.21
9.2.22
9.2.23
9.2.24
9.2.25
9.2.26
9.2.27
9.2.28
9.2.29
9.2.30
9.2.31
QIO-SPI Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
9.3.1
Enter 4-Byte Address Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Exit 4-Byte Address Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Reset Enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Multiple I/O Read Identification protocol . . . . . . . . . . . . . . . . . . . . . . . 113
Read Serial Flash Discovery Parameter . . . . . . . . . . . . . . . . . . . . . . . 114
Dual Command Fast Read (DCFR) . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Dual Command Fast Read using 4 Byte Address (DCFR4Byte) . . . . . 116
Read OTP (ROTP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Write Enable (WREN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Write Disable (WRDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Dual Command Page Program (DCPP) . . . . . . . . . . . . . . . . . . . . . . . 119
Program OTP instruction (POTP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Subsector Erase (SSE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Sector Erase (SE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Bulk Erase (BE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Program/Erase Suspend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Program/Erase Resume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Read Status Register (RDSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Write status register (WRSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Read Lock Register (RDLR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Write to Lock Register (WRLR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Read Flag Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Clear Flag Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Read NV Configuration Register, Dual I/O . . . . . . . . . . . . . . . . . . . . . 127
Write NV Configuration Register, Dual I/O . . . . . . . . . . . . . . . . . . . . . . 127
Read Volatile Configuration Register, Dual I/O . . . . . . . . . . . . . . . . . . 128
Write Volatile Configuration Register, Dual I/O . . . . . . . . . . . . . . . . . . 128
Read Volatile Enhanced Configuration Register, Dual I/O . . . . . . . . . . 129
Write Volatile Enhanced Configuration Register, Dual I/O . . . . . . . . . . 129
Read Extended Address Register, Dual I/O . . . . . . . . . . . . . . . . . . . . 130
Write Extended Address Register, Dual I/O . . . . . . . . . . . . . . . . . . . . . 130
Enter 4-Byte Address Mode, Dual I/O . . . . . . . . . . . . . . . . . . . . . . . . . 131
Exit 4-Byte Address Mode, Dual I/O . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Reset Enable and Reset Memory, Dual I/O . . . . . . . . . . . . . . . . . . . . . 132
Multiple I/O Read Identification (MIORDID) . . . . . . . . . . . . . . . . . . . . . 136
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2010 Micron Technology, Inc. All rights reserved.
N25Q256 - 3 V

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