Mode0
Byte1
Byte
Byte3
Byte4
2
Mode3
Mode0
Byte
4
253 Byteꢀ254 Byte
255 Byte
256
0
Byte
Byte
Byte
Byte
Byte
Byte
4
10 Byte
Byte
4
5
6
7
8
9
11
12
0
Mode3
FM25Q64ꢀ
ꢀ
11.2.14ꢀQuadꢀDataꢀInputꢀPageꢀProgramꢀ(32h)ꢀ
TheꢀQuadꢀDataꢀInputꢀPageꢀProgramꢀinstructionꢀallowsꢀupꢀtoꢀ256ꢀbytesꢀofꢀdataꢀtoꢀbeꢀprogrammedꢀ
atꢀpreviouslyꢀerasedꢀ(FFh)ꢀmemoryꢀlocationsꢀusingꢀfourꢀpins:ꢀIO0,ꢀIO1,ꢀIO2ꢀandꢀIO3.ꢀTheꢀQuadꢀDataꢀ
InputꢀPageꢀProgramꢀcanꢀimproveꢀperformanceꢀforꢀPROMꢀProgrammerꢀandꢀapplicationsꢀthatꢀhaveꢀ
slowꢀclockꢀspeedꢀ<5MHz.ꢀSystemꢀwithꢀfasterꢀclockꢀspeedꢀwillꢀnotꢀrealizeꢀmuchꢀbenefitꢀforꢀtheꢀQuadꢀ
DataꢀInputꢀProgramꢀinstructionꢀsinceꢀtheꢀinherentꢀpageꢀprogramꢀtimeꢀisꢀmuchꢀgreaterꢀthanꢀtheꢀtimeꢀ
itꢀtakesꢀtoꢀclockꢁinꢀtheꢀdata.ꢀ
ꢀ
ToꢀuseꢀQuadꢀDataꢀInputꢀPageꢀProgramꢀtheꢀQuadꢀEnableꢀinꢀStatusꢀRegisterꢁ2ꢀmustꢀbeꢀsetꢀ(QE=1),ꢀ
AꢀWriteꢀEnableꢀinstructionꢀmustꢀbeꢀexecutedꢀbeforeꢀ theꢀdeviceꢀwillꢀacceptꢀtheꢀQuadꢀDataꢀInputꢀ
PageꢀProgramꢀinstructionꢀ(StatusꢀRegisterꢁ1,ꢀWEL=1).ꢀTheꢀinstructionꢀisꢀinitiatedꢀbyꢀdrivingꢀtheꢀ/CSꢀ
pinꢀlowꢀandꢀthenꢀshiftingꢀtheꢀinstructionꢀcodeꢀ“32h”ꢀfollowedꢀbyꢀaꢀ24ꢁbitꢀaddressꢀ(A23ꢁA0)ꢀandꢀatꢀ
leastꢀoneꢀdata,ꢀintoꢀtheꢀIOꢀpins.ꢀTheꢀ/CSꢀpinꢀmustꢀbeꢀheldꢀlowꢀforꢀtheꢀentireꢀlengthꢀofꢀtheꢀinstructionꢀ
whileꢀdataꢀisꢀbeingꢀsentꢀtoꢀtheꢀdevice.ꢀAllꢀotherꢀfunctionsꢀofꢀQuadꢀDataꢀInputꢀPageꢀProgramꢀareꢀ
identicalꢀ standardꢀ Pageꢀ Program.ꢀ Theꢀ Quadꢀ Dataꢀ Inputꢀ Pageꢀ Programꢀ instructionꢀ sequenceꢀ isꢀ
shownꢀinꢀfigureꢀ14.ꢀ
ꢀ
/CS
28 29 30 31 32 33 34 35 36 37 38 39
0
1
2
3
4
5
6
7
8
9
10
CLK
Instruction(ꢀ32h)
24ꢁ BitꢀAddress
2
0
0
23 22 21
3
1
0
4
4
0
4
4
0
IO
0
*
IO
1
1
1
2
5
6
5
6
1
2
5
6
5
6
1
2
IO
2
2
3
3
IO
3
7
7
3
7
7
3
/CS
48 49
40 41 42 43 44 45 46 47
50 51 52 53 54 55
CLK
IO
0
4
0
4
0
4
0
4
0
4
0
0
1
2
3
4
5
6
7
0
0
1
2
3
4
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
1
IO
5
6
7
1
5
6
7
1
2
3
5
6
7
1
2
3
5
6
7
5
1
2
3
5
6
1
2
5
6
1
2
5
6
1
2
5
6
1
2
IO
2
2
3
6
7
7
3
7
3
7
3
7
3
IO
3
=ꢀMSB
*
ꢀ
Figureꢀ14.ꢀQuadꢀDataꢀInputꢀPageꢀProgramꢀInstructionꢀSequenceꢀDiagramꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
preliminary(Aug.18.2010)ꢀ ꢀ ꢀ ꢀ
30ꢀ
FIDELIX [ FIDELIX ]
