MYX29GL01GS11DPIV2 datasheet(4/68 Pages) MICROSS

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MYX29GL01GS11DPIV2

Revision 1.0 - 01/26/2015

*Advanced information. Subject to change without notice.

1Gb GL-S MirrorBit® Eclipse™

Flash Memory

MYX29GL01GS11DPIV2*

Form #: CSI-D-685 Document 001

Table 2: Address Map

Type

Count

Addresses

Address within Page

A3 - A0

Address within Write Buffer

256

A7 - A0

Page

4096

A15 - A4

Write-Buffer-Line

256

A15 A8

Sector

1024 (1 Gb)

512 (512 Mb)

256 (256 Mb)

128 (128 Mb)

AMAX - A16

Thedevicecontrollogicissubdividedintotwoparalleloperatingsections,theHostInterfaceController(HIC)

and the Embedded Algorithm Controller (EAC). HIC monitors signal levels on the device inputs and drives

outputsasneededtocompletereadandwritedatatransferswiththehostsystem.HICdeliversdatafromthe

currentlyenteredaddressmaponreadtransfers;placeswritetransferaddressanddatainformationintothe

EACcommandmemory;notifiestheEACofpowertransition,hardwarereset,andwritetransfers.TheEAC

looksinthecommandmemory,afterawritetransfer,forlegalcommandsequencesandperformstherelated

EmbeddedAlgorithms.

Changing the non-volatile data in the memory array requires a complex sequence of operations that are

calledEmbeddedAlgorithms(EA).ThealgorithmsaremanagedentirelybythedeviceinternalEAC.Themain

algorithmsperformprogramminganderaseofthemainarraydata.Thehostsystemwritescommandcodes

to the flash device address space. The EAC receives the commands, performs all the necessary steps to

completethecommand,andprovidesstatusinformationduringtheprogressofanEA.

Theerasedstateofeachmemorybitisalogic1.Programmingchangesalogic1(High)toalogic0(Low).Only

anEraseoperationisabletochangea0toa1.Aneraseoperationmustbeperformedonanentire128-kbyte

alignedandlengthgroupofdatacallaSector.

Programmingisdoneviaa512-byteWriteBuffer.Itispossibletowritefrom1to256words,anywherewithin

theWriteBufferbeforestartingaprogrammingoperation.Withintheflashmemoryarray,each512-bytealigned

groupof512bytesiscalledaLine.AprogrammingoperationtransfersvolatiledatafromtheWriteBuffertoa

non-volatilememoryarrayLine.TheoperationiscalledWriteBufferProgramming.

TheWriteBufferisfilledwith1’safterresetorthecompletionofanyoperationusingtheWriteBuffer.Any

locationsnotwrittentoa0byaWritetoBuffercommandarebydefaultstillfilledwith1’s.Any1’sintheWrite

Bufferdonotaffectdatainthememoryarrayduringaprogrammingoperation.

AseachPageofdatathatwasloadedintotheWriteBufferistransferredtoamemoryarrayLine.

SectorsmaybeindividuallyprotectedfromprogramanderaseoperationsbytheAdvancedSectorProtection

(ASP)featureset.ASPprovidesseveral,hardwareandsoftwarecontrolled,volatileandnon-volatile,methods

toselectwhichsectorsareprotectedfromprogramanderaseoperations.

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