512Mb, Multiple I/O Serial Flash Memory
Features
Contents
Device Description ........................................................................................................................................... 6
Features ....................................................................................................................................................... 6
3-Byte Address and 4-Byte Address Modes ..................................................................................................... 6
Operating Protocols ...................................................................................................................................... 6
XIP Mode ..................................................................................................................................................... 7
Device Configurability .................................................................................................................................. 7
Signal Assignments ........................................................................................................................................... 8
Signal Descriptions ........................................................................................................................................... 9
Memory Organization .................................................................................................................................... 11
Memory Configuration and Block Diagram .................................................................................................. 11
Memory Map – 512Mb Density ....................................................................................................................... 12
Device Protection ........................................................................................................................................... 13
Serial Peripheral Interface Modes .................................................................................................................... 15
SPI Protocols .................................................................................................................................................. 17
Nonvolatile and Volatile Registers ................................................................................................................... 18
Status Register ............................................................................................................................................ 19
Nonvolatile and Volatile Configuration Registers .......................................................................................... 20
Extended Address Register .......................................................................................................................... 23
Enhanced Volatile Configuration Register .................................................................................................... 24
Flag Status Register ..................................................................................................................................... 25
Command Definitions .................................................................................................................................... 27
READ REGISTER and WRITE REGISTER Operations ........................................................................................ 31
READ STATUS REGISTER or FLAG STATUS REGISTER Command ................................................................ 31
READ NONVOLATILE CONFIGURATION REGISTER Command ................................................................... 32
READ VOLATILE or ENHANCED VOLATILE CONFIGURATION REGISTER Command .................................. 32
READ EXTENDED ADDRESS REGISTER Command ..................................................................................... 33
WRITE STATUS REGISTER Command ......................................................................................................... 33
WRITE NONVOLATILE CONFIGURATION REGISTER Command ................................................................. 34
WRITE VOLATILE or ENHANCED VOLATILE CONFIGURATION REGISTER Command ................................. 34
WRITE EXTENDED ADDRESS REGISTER Command ................................................................................... 35
READ LOCK REGISTER Command .............................................................................................................. 35
WRITE LOCK REGISTER Command ............................................................................................................ 37
CLEAR FLAG STATUS REGISTER Command ................................................................................................ 38
READ IDENTIFICATION Operations ............................................................................................................... 39
READ ID and MULTIPLE I/O READ ID Commands ...................................................................................... 39
READ SERIAL FLASH DISCOVERY PARAMETER Command ......................................................................... 40
READ MEMORY Operations ............................................................................................................................ 44
3-Byte Address ........................................................................................................................................... 44
4-Byte Address ........................................................................................................................................... 45
READ MEMORY Operations Timing – Single Transfer Rate ........................................................................... 47
READ MEMORY Operations Timing – Double Transfer Rate ......................................................................... 50
PROGRAM Operations .................................................................................................................................... 53
WRITE Operations .......................................................................................................................................... 58
WRITE ENABLE Command ......................................................................................................................... 58
WRITE DISABLE Command ........................................................................................................................ 58
ERASE Operations .......................................................................................................................................... 60
SUBSECTOR ERASE Command ................................................................................................................... 60
SECTOR ERASE Command ......................................................................................................................... 60
DIE ERASE Command ................................................................................................................................ 61
BULK ERASE Command ............................................................................................................................. 62
PDF: 09005aef84752721
n25q_512mb_1ce_3V_65nm.pdf - Rev. O 05/13 EN
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