參數(shù)資料
型號(hào)： MX29GL320ETTI-70G
廠商： MACRONIX INTERNATIONAL CO LTD
元件分類： PROM
英文描述： 2M X 16 FLASH 3V PROM, 70 ns, PDSO48
封裝： 14 X 20 MM, ROHS COMPLIANT, MO-142, TSOP1-48
文件頁數(shù)： 10/73頁
文件大?。?/td> 2630K
代理商： MX29GL320ETTI-70G
18
P/N:PM1509
REV. 1.1, DEC. 03, 2010
MX29GL320E T/B
MX29GL320E H/L
FUNCTIONAL OPERATION DESCRIPTION (cont'd)
WRITE BUFFER PROGRAMMING OPERATION (cont'd)
ABORTwillbeexecutedfortheWriteBufferProgrammingSequenceiffollowingconditionoccurs:
Thevalueloadedisbiggerthanthepagebuffersizeduring"NumberofLocationstoProgram"
AddresswritteninasectorisnotthesameastheoneassignedduringtheWrite-Buffer-Loadcommand.
Address/Datapairwrittentoadifferentwrite-buffer-pagethantheoneassignedbythe"StartingAddress"
during
the"writebufferdataloading"operation.
Writingnot"ConfirmCommand"aftertheassignednumberof"dataload"cycles.
TheabortistriggeredbyQ1=1,Q7=DATA#(lastaddresswritten),Q6=toggle,Q5=0.AWrite-to-Buffer-AbortRe-
setcommandsequencehastobewrittentoresetthedeviceforthenextoperation.
Writebufferprogrammingcanbeconductedinanysequence.HowevertheCFIfunctions,autoselect,Secured
Siliconsectorarenotfunctionalwhenprogramoperationisinprogress.Multiplewritebufferprogrammingopera-
tionsonthesamewritebufferaddressrangewithoutinterveningerasesisavailable.Anybitinawritebufferad-
dressrangecan’tbeprogrammedfrom0backto1.
SECTOR PROTECT OPERATION
Thedeviceprovidesuserprogrammableprotectionoperationsforselectedsectors.PleaserefertoTable1which
showallSectorassignments.
Duringtheprotectionoperation,thesectoraddressofanysectormaybeusedtospecifytheSectorbeingpro-
tected.
AUTOMATIC SELECT BUS OPERATIONS
ThefollowingfivebusoperationsrequireA9toberaisedtoVhv.PleaseseeAUTOMATICSELECTCOMMAND
SEQUENCEintheCOMMANDOPERATIONSsectionfordetailsofequivalentcommandoperationsthatdonot
requiretheuseofVhv.
SECTOR LOCK STATUS VERIFICATION
Todeterminetheprotectedstateofanysectorusingbusoperations,thesystemperformsaREADOPERATION
withA9raisedtoVhv,thesectoraddressappliedtoaddresspinsA20toA12,addresspinsA6,A3,A2&A0held
LOW,andaddresspinA1heldHIGH.IfdatabitQ0isLOW,thesectorisnotprotected,andifQ0isHIGH,the
sectorisprotected.
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