n25q256 Numonyx, n25q256 Datasheet - Page 7

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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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N25Q256 - 3 V
10
XIP Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
10.1
10.2
10.3
10.4
Enter XIP mode by setting the Non Volatile Configuration Register . . . . 163
9.3.2
9.3.3
9.3.4
9.3.5
9.3.6
9.3.7
9.3.8
9.3.9
9.3.10
9.3.11
9.3.12
9.3.13
9.3.14
9.3.15
9.3.16
9.3.17
9.3.18
9.3.19
9.3.20
9.3.21
9.3.22
9.3.23
9.3.24
9.3.25
9.3.26
9.3.27
9.3.28
9.3.29
9.3.30
9.3.31
Enter XIP mode by setting the Volatile Configuration Register . . . . . . . 165
XIP mode hold and exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
XIP Memory reset after a controller reset . . . . . . . . . . . . . . . . . . . . . . . . 167
Read Serial Flash Discovery Parameter . . . . . . . . . . . . . . . . . . . . . . . 137
Quad Command Fast Read (QCFR) . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Quad Command Fast Read using 4 Byte Address (QCFR4Byte) . . . . 139
Read OTP (ROTP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Write Enable (WREN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Write Disable (WRDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Quad Command Page Program (QCPP) . . . . . . . . . . . . . . . . . . . . . . . 143
Program OTP instruction (POTP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Subsector Erase (SSE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Sector Erase (SE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Bulk Erase (BE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Program/Erase Suspend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Program/Erase Resume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Read Status Register (RDSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Write status register (WRSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Read Lock Register (RDLR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Write to Lock Register (WRLR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Read Flag Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Clear Flag Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Read NV Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Write NV Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Read Volatile Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Write Volatile Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Read Volatile Enhanced Configuration Register . . . . . . . . . . . . . . . . . 157
Write Volatile Enhanced Configuration Register . . . . . . . . . . . . . . . . . 158
Read Extended Address Register, Quad I/O . . . . . . . . . . . . . . . . . . . . 159
Write Extended Address Register, Quad I/O . . . . . . . . . . . . . . . . . . . . 159
Enter 4-Byte Address Mode, Quad I/O . . . . . . . . . . . . . . . . . . . . . . . . 160
Exit 4-Byte Address Mode, Quad I/O . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Reset Enable and Reset Memory, Quad I/O . . . . . . . . . . . . . . . . . . . . 161
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2010 Micron Technology, Inc. All rights reserved.
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