JS48F4400P0P3W0 datasheet(4/139 Pages) NUMONYX

4 / 139 page

Numonyx™ StrataFlash® Cellular Memory (M18)

Datasheet

April 2008

Order Number: 309823-11

7.5

Reset Specifications ...........................................................................................69

7.6

Deep Power Down Specifications..........................................................................69

8.0

NOR Flash Bus Interface ..........................................................................................71

8.1

Bus Reads ........................................................................................................71

8.1.1

Asynchronous single-word reads ...............................................................72

8.1.2

Asynchronous Page Mode (Non-multiplexed devices only) ............................72

8.1.3

Synchronous Burst Mode .........................................................................72

8.2

Bus Writes ........................................................................................................73

8.3

Reset ...............................................................................................................73

8.4

Deep Power-Down .............................................................................................73

8.5

Standby ...........................................................................................................74

8.6

Output Disable ..................................................................................................74

8.7

Bus Cycle Interleaving........................................................................................74

8.7.1

Read Operation During Program Buffer fill ..................................................75

8.8

Read-to-Write and Write-to-Read Bus Transitions...................................................75

8.8.1

Write to Asynchronous read transition .......................................................75

8.8.2

Write to synchronous read transition .........................................................75

8.8.3

Asynchronous/Synchronous read to write transition.....................................75

8.8.4

Bus write with active clock .......................................................................75

9.0

NOR Flash Operations ..............................................................................................76

9.1

Status Register..................................................................................................76

9.1.1

Clearing the Status Register.....................................................................77

9.2

Read Configuration Register ................................................................................77

9.2.1

Latency Count ........................................................................................78

9.3

Enhanced Configuration Register..........................................................................79

9.3.1

Output Driver Control..............................................................................80

9.3.2

Programming the ECR .............................................................................80

9.4

Read Operations ................................................................................................81

9.4.1

Read Array ............................................................................................81

9.4.2

Read Status Register...............................................................................82

9.4.3

Read Device Information .........................................................................82

9.4.4

CFI Query..............................................................................................83

9.5

Programming Modes ..........................................................................................83

9.5.1

Control Mode .........................................................................................84

9.5.2

Object Mode ..........................................................................................85

9.6

Programming Operations ....................................................................................88

9.6.1

Single-Word Programming .......................................................................88

9.6.2

Buffered Programming ............................................................................89

9.6.3

Buffered Enhanced Factory Programming (BEFP).........................................90

9.7

Block Erase Operations .......................................................................................92

9.8

Blank Check Operation .......................................................................................93

9.9

Suspend and Resume .........................................................................................93

9.10 Simultaneous Operations ....................................................................................95

9.11 Security ...........................................................................................................95

9.11.1 Block Locking .........................................................................................95

9.11.2 One-Time Programmable (OTP) Registers ..................................................97

9.11.3 Global Main-Array Protection ....................................................................99

10.0 Device Command Codes ......................................................................................... 100

11.0 Flow Charts............................................................................................................ 101

12.0 Common Flash Interface ........................................................................................ 110

12.1 Query Structure Output .................................................................................... 110

12.2 Block Status Register ....................................................................................... 111

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