32Mb, 3V, Multiple I/O Serial Flash Memory
Features
Micron Serial NOR Flash Memory
3V, Multiple I/O, 4KB Sector Erase
N25Q032A
Write protection
Features
Software write protection applicable to every
SPI-compatible serial bus interface
64KB sector via volatile lock bit
108 MHz (MAX) clock frequency
Hardware write protection: protected area size
2.73.6V single supply voltage
defined by four nonvolatile bits (BP0, BP1, BP2,
Dual/quad I/O instruction provides increased
and TB)
throughput up to 432 MHz
Additional smart protections, available upon re-
Supported protocols
quest
Extended SPI, dual I/O, and quad I/O
Electronic signature
Execute-in-place (XIP) mode for all three protocols
JEDEC-standard, 2-byte signature (BA16h)
Configurable via volatile or nonvolatile registers
Unique ID code: 17 read-only bytes, including:
Enables memory to work in XIP mode directly af-
Two additional extended device ID bytes to
ter power-on
identify device factory options
PROGRAM/ERASE SUSPEND operations
Customized factory data (14 bytes)
Continuous read of entire memory via a single com-
Minimum 100,000 ERASE cycles per sector
mand
More than 20 years data retention
FAST READ
Packages (JEDEC-standard, RoHS compliant)
QUAD or DUAL OUTPUT FAST READ
F4 = U-PDFN-8 4mm x 3mm (MLP8)
QUAD or DUAL I/O FAST READ
F6 = V-PDFN-8 6mm x 5mm (MLP8)
Flexible to fit application
F8 = V-PDFN-8 8mm x 6mm (MLP8)
Configurable number of dummy cycles
12 = T-PBGA-24b05 6mm x 8mm
Configurable output buffer
SC = SOP2-8 150 mils body width (SO8N)
RESET function available upon customer request
SF = SOP2-16 300 mils body width (SO16W)
64-byte, user-lockable, one-time programmable
SE = SOP2-8 208 mils body width (SO8W)
(OTP) dedicated area
Erase capability
Subsector erase 4KB uniform granularity blocks
Sector erase 64KB uniform granularity blocks
Full-chip erase
PDF: 09005aef84566622 Micron Technology, Inc. reserves the right to change products or specifications without notice.
1
n25q_32mb_3v_65nm.pdf - Rev. J 2/15 EN 2011 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.32Mb, 3V, Multiple I/O Serial Flash Memory
Features
Contents
Device Description ........................................................................................................................................... 6
Features ....................................................................................................................................................... 6
Operating Protocols ...................................................................................................................................... 6
XIP Mode ..................................................................................................................................................... 6
Device Configurability .................................................................................................................................. 7
Signal Assignments ........................................................................................................................................... 8
Signal Descriptions ......................................................................................................................................... 10
Memory Organization .................................................................................................................................... 12
Memory Configuration and Block Diagram .................................................................................................. 12
Memory Map 32Mb Density ......................................................................................................................... 13
Device Protection ........................................................................................................................................... 14
Serial Peripheral Interface Modes .................................................................................................................... 16
SPI Protocols .................................................................................................................................................. 18
Nonvolatile and Volatile Registers ................................................................................................................... 19
Status Register ............................................................................................................................................ 20
Nonvolatile and Volatile Configuration Registers .......................................................................................... 22
Enhanced Volatile Configuration Register .................................................................................................... 24
Flag Status Register ..................................................................................................................................... 25
Command Definitions .................................................................................................................................... 27
READ REGISTER and WRITE REGISTER Operations ........................................................................................ 29
READ STATUS REGISTER or FLAG STATUS REGISTER Command ................................................................ 29
READ NONVOLATILE CONFIGURATION REGISTER Command ................................................................... 29
READ VOLATILE or ENHANCED VOLATILE CONFIGURATION REGISTER Command .................................. 30
WRITE STATUS REGISTER Command ......................................................................................................... 30
WRITE NONVOLATILE CONFIGURATION REGISTER Command ................................................................. 31
WRITE VOLATILE or ENHANCED VOLATILE CONFIGURATION REGISTER Command ................................. 31
READ LOCK REGISTER Command .............................................................................................................. 32
WRITE LOCK REGISTER Command ............................................................................................................ 33
CLEAR FLAG STATUS REGISTER Command ................................................................................................ 34
READ IDENTIFICATION Operations ............................................................................................................... 35
READ ID and MULTIPLE I/O READ ID Commands ...................................................................................... 35
READ SERIAL FLASH DISCOVERY PARAMETER Command ......................................................................... 36
READ MEMORY Operations ............................................................................................................................ 39
PROGRAM Operations .................................................................................................................................... 43
WRITE Operations .......................................................................................................................................... 48
WRITE ENABLE Command ......................................................................................................................... 48
WRITE DISABLE Command ........................................................................................................................ 48
ERASE Operations .......................................................................................................................................... 50
SUBSECTOR ERASE Command ................................................................................................................... 50
SECTOR ERASE Command ......................................................................................................................... 50
BULK ERASE Command ............................................................................................................................. 51
PROGRAM/ERASE SUSPEND Command ..................................................................................................... 52
PROGRAM/ERASE RESUME Command ...................................................................................................... 54
ONE TIME PROGRAMMABLE Operations ....................................................................................................... 55
READ OTP ARRAY Command ...................................................................................................................... 55
PROGRAM OTP ARRAY Command .............................................................................................................. 55
XIP Mode ....................................................................................................................................................... 58
Activate or Terminate XIP Using Volatile Configuration Register ................................................................... 58
Activate or Terminate XIP Using Nonvolatile Configuration Register ............................................................. 58
Confirmation Bit Settings Required to Activate or Terminate XIP .................................................................. 59
PDF: 09005aef84566622 Micron Technology, Inc. reserves the right to change products or specifications without notice.
2
n25q_32mb_3v_65nm.pdf - Rev. J 2/15 EN 2011 Micron Technology, Inc. All rights reserved.