32Mb, 1.8V, Multiple I/O Serial Flash Memory
Features
Micron Serial NOR Flash Memory
1.8V, 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
1.72.0V 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 (BB16h)
Configurable via volatile or nonvolatile registers
Unique ID code (UID): 17 read-only bytes, in-
Enables memory to work in XIP mode directly af-
cluding:
ter power-on
Two additional extended device ID (EDID)
PROGRAM/ERASE SUSPEND operations
bytes to identify device factory options
Continuous read of entire memory via a single com-
Customized factory data (14 bytes)
mand
Minimum 100,000 ERASE cycles per sector
Fast read
More than 20 years data retention
Quad or dual output fast read
Packages JEDEC standard, all RoHS compliant
Quad or dual I/O fast read
F4 = UF-PDFN-8 4mm x 3mm (MLP8 4mm x
Flexible to fit application
3mm)
Configurable number of dummy cycles
F6 = V-PDFN-8 6mm x 5mm ( MLP8 6mm x
Output buffer configurable
5mm )
Software reset
F8 = V-PDFN-8 8mm x 6mm (MLP8 8mm x 6mm)
64-byte, user-lockable, one-time programmable
12 = T-PBGA-24b05 6mm x 8mm
(OTP) dedicated area
SF = SOP2-16 300 mils body width (SO16W)
Erase capability
SE = SOP2-8 208 mils body width (SO8W)
Subsector erase 4KB uniform granularity blocks
Sector erase 64KB uniform granularity blocks
Full-chip erase
09005aef84566617 Micron Technology, Inc. reserves the right to change products or specifications without notice.
1
n25q_32mb_1_8v_65nm.pdf - Rev. I 06/18 EN 2012 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.32Mb, 1.8V, Multiple I/O Serial Flash Memory
Features
Contents
Important Notes and Warnings ......................................................................................................................... 6
Device Description ........................................................................................................................................... 7
Features ....................................................................................................................................................... 7
Operating Protocols ...................................................................................................................................... 7
XIP Mode ..................................................................................................................................................... 7
Device Configurability .................................................................................................................................. 8
Signal Assignments ........................................................................................................................................... 9
Signal Descriptions ......................................................................................................................................... 11
Memory Organization .................................................................................................................................... 13
Memory Configuration and Block Diagram .................................................................................................. 13
Memory Map 32Mb Density ......................................................................................................................... 14
Device Protection ........................................................................................................................................... 15
Serial Peripheral Interface Modes .................................................................................................................... 17
SPI Protocols .................................................................................................................................................. 19
Nonvolatile and Volatile Registers ................................................................................................................... 20
Status Register ............................................................................................................................................ 21
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 .......................................................................................................................................... 47
WRITE ENABLE Command ......................................................................................................................... 47
WRITE DISABLE Command ........................................................................................................................ 47
ERASE Operations .......................................................................................................................................... 49
SUBSECTOR ERASE Command ................................................................................................................... 49
SECTOR ERASE Command ......................................................................................................................... 49
BULK ERASE Command ............................................................................................................................. 50
PROGRAM/ERASE SUSPEND Command ..................................................................................................... 51
PROGRAM/ERASE RESUME Command ...................................................................................................... 53
RESET Operations .......................................................................................................................................... 54
RESET ENABLE and RESET MEMORY Command ........................................................................................ 54
RESET Conditions ...................................................................................................................................... 54
ONE TIME PROGRAMMABLE Operations ....................................................................................................... 55
READ OTP ARRAY Command ...................................................................................................................... 55
PROGRAM OTP ARRAY Command .............................................................................................................. 55
09005aef84566617 Micron Technology, Inc. reserves the right to change products or specifications without notice.
2
n25q_32mb_1_8v_65nm.pdf - Rev. I 06/18 EN 2012 Micron Technology, Inc. All rights reserved.