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.