Product Preview
iii
28F128J3A, 28F640J3A, 28F320J3A
Contents
1.0
2.0
PRODUCT OVERVIEW
..............................................................................................1
PRINCIPLES OF OPERATION
...............................................................................5
2.1
Data Protection......................................................................................................6
BUS OPERATION
.......................................................................................................6
3.1
Read......................................................................................................................8
3.2
Output Disable.......................................................................................................8
3.3
Standby.................................................................................................................8
3.4
Reset/Power-Down ...............................................................................................8
3.5
Read Query...........................................................................................................9
3.6
Read Identifier Codes............................................................................................9
3.7
Write......................................................................................................................9
COMMAND DEFINITIONS
........................................................................................9
4.1
Read Array Command.........................................................................................13
4.2
Read Query Mode Command .............................................................................13
4.2.1
Query Structure Output ..........................................................................13
4.2.2
Query Structure Overview......................................................................14
4.2.3
Block Status Register.............................................................................15
4.2.4
CFI Query Identification String ...............................................................15
4.2.5
System Interface Information .................................................................16
4.2.6
Device Geometry Definiction..................................................................17
4.2.7
Primary-Vendor Specific Extended Query Table....................................18
4.3
Read Identifier Codes Command........................................................................19
4.4
Read Status Register Command.........................................................................20
4.5
Clear Status Register Command.........................................................................20
4.6
Block Erase Command........................................................................................21
4.7
Block Erase Suspend Command ........................................................................21
4.8
Write to Buffer Command....................................................................................22
4.9
Byte/Word Program Commands .........................................................................22
4.10
Program Suspend Command..............................................................................23
4.11
Set Read Configuration Command .....................................................................23
4.11.1 Read Configuration ................................................................................23
4.12
Configuration Command .....................................................................................24
4.13
Set Block Lock-Bit Commands............................................................................24
4.14
Clear Block Lock-Bits Command.........................................................................24
4.15
Protection Register Program Command .............................................................25
4.15.1 Reading the Program Protection Register..............................................25
4.15.2 Programming the Program Protection Register .....................................25
4.15.3 Locking the Protection Register .............................................................26
3.0
4.0