1.8 Volt Intel
®
Wireless Flash Memory (W18)
Contents
1.0
Introduction
.................................................................................................................. 1
1.1
1.2
Document Conventions ......................................................................................... 1
Product Overview .................................................................................................. 1
Package and Pinouts ............................................................................................ 2
Ball Descriptions.................................................................................................... 3
Memory Partitioning .............................................................................................. 5
2.3.1 Main Blocks .............................................................................................. 7
2.3.2 Parameter Blocks ..................................................................................... 8
Bus Operations...................................................................................................... 8
3.1.1 Read......................................................................................................... 8
3.1.2 Standby .................................................................................................... 9
3.1.3 Write ......................................................................................................... 9
3.1.4 Reset ........................................................................................................9
Read Array Command.........................................................................................13
Read Identifier Command ...................................................................................13
Read Query Command .......................................................................................14
Read Status Register Command.........................................................................14
Clear Status Register Command.........................................................................16
Word Program Command ...................................................................................16
Enhanced Factory Program Command (EFP) ....................................................16
4.7.1 EFP Requirements .................................................................................17
4.7.2 Setup Phase...........................................................................................17
4.7.3 Program Phase ......................................................................................17
4.7.4 Verify Phase ...........................................................................................17
4.7.5 Exit Phase ..............................................................................................18
Program Suspend/Resume - Erase Suspend/Resume Command .....................18
Block Erase Command........................................................................................19
Security Modes....................................................................................................19
Block Locking Command.....................................................................................20
4.11.1 Lock Block ..............................................................................................21
4.11.2 Unlock Block...........................................................................................21
4.11.3 Lock-Down Block....................................................................................21
Block Lock Status................................................................................................21
Locking Operations during Erase Suspend.........................................................22
Status Register Error Checking...........................................................................22
WP# Lock-Down Control .....................................................................................22
Protection Registers ............................................................................................22
Read Protection Register ....................................................................................23
Program Protection Register ...............................................................................23
Lock Protection Register .....................................................................................24
2.0
Product Description
.................................................................................................. 2
2.1
2.2
2.3
3.0
Principles of Operation
............................................................................................ 8
3.1
4.0
Command Definitions
.............................................................................................10
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
4.11
4.12
4.13
4.14
4.15
4.16
4.17
4.18
4.19
Preliminary
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NUMONYX [ NUMONYX B.V ]
