FLASH
AS29F010
Austin Semiconductor, Inc.
cpmmrnd ꢃeqsence iꢃ iniairaed bꢄ oꢂiaing aop snlpck cꢄcleꢃ,
fpllpoed bꢄ r ꢃea-sꢁ cpmmrnd. Top rddiaipnrl snlpck oꢂiae
cꢄcleꢃ rꢂe ahen fpllpoed bꢄ ahe chiꢁ eꢂrꢃe cpmmrnd, ohich in
asꢂn invpkeꢃ ahe Embedded Eꢂrꢃe rlgpꢂiahm. The device dpeꢃ
not ꢂeqsiꢂe ahe ꢃꢄꢃaem ap ꢁꢂeꢁꢂpgꢂrm ꢁꢂipꢂ ap eꢂrꢃe. The
Embedded Eꢂrꢃe rlgpꢂiahm rsapmraicrllꢄ ꢁꢂeꢁꢂpgꢂrmꢃ rnd
veꢂifieꢃ ahe enaiꢂe mempꢂꢄ fpꢂ rn rll zeꢂp drar ꢁraaeꢂn ꢁꢂipꢂ ap
elecaꢂicrl eꢂrꢃe. The ꢃꢄꢃaem iꢃ npa ꢂeqsiꢂed ap ꢁꢂpvide rnꢄ
cpnaꢂplꢃ pꢂ aimingꢃ dsꢂing aheꢃe pꢁeꢂraipnꢃ. The Cpmmrnd
Definiaipnꢃ arble ꢃhpoꢃ ahe rddꢂeꢃꢃ rnd drar ꢂeqsiꢂemenaꢃ fpꢂ
ahe chiꢁ eꢂrꢃe cpmmrnd ꢃeqsence.
Autoselect Command Sequence
The rsapꢃeleca cpmmrnd ꢃeqsence rllpoꢃ ahe hpꢃa
ꢃꢄꢃaem ap rcceꢃꢃ ahe mrnsfrcasꢂeꢂ rnd deviceꢃ cpdeꢃ, rnd
deaeꢂmine oheaheꢂ pꢂ npa r ꢃecapꢂ iꢃ ꢁꢂpaecaed. The Cpmmrnd
Definiaipnꢃ arble ꢃhpoꢃ ahe rddꢂeꢃꢃ rnd drar ꢂeqsiꢂemenaꢃ.
Thiꢃ meahpd iꢃ rn rlaeꢂnraive ap ahra ꢃhpon in ahe Asapꢃeleca
Cpdeꢃ (High Vplarge Meahpd) arble, ohich iꢃ inaended fpꢂ
PROM ꢁꢂpgꢂrmmeꢂꢃ rnd ꢂeqsiꢂeꢃ VID pn rddꢂeꢃꢃ bia A9.
The rsap ꢃeleca cpmmrnd ꢃeqsence iꢃ iniairaed bꢄ oꢂiaing
aop snlpck cꢄcleꢃ, fpllpoed bꢄ ahe rsapꢃeleca cpmmrnd. The
device ahen enaeꢂꢃ ahe rsapꢃeleca mpde, rnd ahe ꢃꢄꢃaem mrꢄ
ꢂerd ra rnꢄ rddꢂeꢃꢃ rnꢄ nsmbeꢂ pf aimeꢃ, oiahpsa iniairaing
rnpaheꢂ cpmmrnd ꢃeqsence.
A ꢂerd cꢄcle ra rddꢂeꢃꢃ XX00h pꢂ ꢂeaꢂieveꢃ ahe
mrnsfrcasꢂeꢂ cpde. A ꢂerd cꢄcle ra rddꢂeꢃꢃ XX0±h ꢂeasꢂnꢃ ahe
device cpde. A ꢂerd cꢄcle cpnarining r ꢃecapꢂ rddꢂeꢃꢃ (SA)
rnd ahe rddꢂeꢃꢃ 02h in ꢂeasꢂnꢃ 0±h if ahra ꢃecapꢂ iꢃ ꢁꢂpaecaed, pꢂ
00h if ia iꢃ snꢁꢂpaecaed. Refeꢂ ap ahe Secapꢂ Addꢂeꢃꢃ arbleꢃ fpꢂ
vrlid ꢃecapꢂ rddꢂeꢃꢃeꢃ.
Anꢄ cpmmrndꢃ oꢂiaaen ap ahe chiꢁ dsꢂing ahe Embedded
Eꢂrꢃe rlgpꢂiahm rꢂe ignpꢂed.
The ꢃꢄꢃaem crn deaeꢂmine ahe ꢃarasꢃ pf ahe eꢂrꢃe
pꢁeꢂraipn bꢄ sꢃing DQ7 pꢂ DQ6. See “Wꢂiae Oꢁeꢂraipn Sarasꢃ”
fpꢂ infpꢂmraipn pn aheꢃe ꢃarasꢃ biaꢃ. When ahe Embedded Eꢂrꢃe
rlgpꢂiahm iꢃ cpmꢁleae, ahe device ꢂeasꢂnꢃ ap ꢂerding rꢂꢂrꢄ drar
rnd rddꢂeꢃꢃeꢃ rꢂe np lpngeꢂ lrached.
Figsꢂe 2 illsꢃaꢂraeꢃ ahe rlgpꢂiahm fpꢂ ahe eꢂrꢃe pꢁeꢂraipn.
See ahe Eꢂrꢃe/Pꢂpgꢂrm Oꢁeꢂraipnꢃ arbleꢃ in “AC
Chrꢂrcaeꢂiꢃaicꢃ” fpꢂ ꢁrꢂrmeaeꢂꢃ, rnd ahe Chiꢁ /Secapꢂ Eꢂrꢃe
Oꢁeꢂraipn Timingꢃ fpꢂ aiming orvefpꢂmꢃ.
The ꢃꢄꢃaem msꢃa oꢂiae ahe ꢂeꢃea cpmmrnd ap exia ahe
rsapꢃeleca mpde rnd ꢂeasꢂn ap ꢂerding rꢂꢂrꢄ drar.
Byte Program Command Sequence
FIGURE 1: PROGRAM OPERATION
Pꢂpgꢂrmming iꢃ r fpsꢂ-bsꢃ-cꢄcle pꢁeꢂraipn. The ꢁꢂpgꢂrm
cpmmrnd ꢃeqsence iꢃ iniairaed bꢄ oꢂiaing aop snlpck oꢂiae
cꢄcleꢃ, fpllpoed bꢄ ahe ꢁꢂpgꢂrm ꢃea-sꢁ cpmmrnd. The
ꢁꢂpgꢂrm rddꢂeꢃꢃ rnd drar rꢂe oꢂiaaen nexa, ohich in asꢂn iniairae
ahe Embedded Pꢂpgꢂrm rlgpꢂiahm. The ꢃꢄꢃaem iꢃ not ꢂeqsiꢂed
ap ꢁꢂpvide fsꢂaheꢂ cpnaꢂplꢃ pꢂ aimingꢃ. The device
rsapmraicrllꢄ ꢁꢂpvideꢃ inaeꢂnrllꢄ geneꢂraed ꢁꢂpgꢂrm ꢁslꢃeꢃ rnd
veꢂifꢄ ahe ꢁꢂpgꢂrmmed cell mrꢂgin. The Cpmmrnd Definiaipnꢃ
arke ꢃhpoꢃ ahe rddꢂeꢃꢃ rnd drar ꢂeqsiꢂemenaꢃ fpꢂ ahe bꢄae
ꢁꢂpgꢂrm cpmmrnd ꢃeqsence.
When ahe Embedded Pꢂpgꢂrm rlgpꢂiahm iꢃ cpmꢁleae, ahe
device ahen ꢂeasꢂnꢃ ap ꢂerding rꢂꢂrꢄ drar rnd rddꢂeꢃꢃeꢃ rꢂe np
lpngeꢂ lrached. The ꢃꢄꢃaem crn deaeꢂmine ahe ꢃarasꢃ pf ahe
ꢁꢂpgꢂrm pꢁeꢂraipn bꢄ sꢃing DQ7 pꢂ DQ6. See “Wꢂiae Oꢁeꢂraipn
Sarasꢃ” fpꢂ infpꢂmraipn pn aheꢃe ꢃarasꢃ biaꢃ.
Anꢄ cpmmrndꢃ oꢂiaaen ap ahe device dsꢂing ahe
Embedded Pꢂpgꢂrm Algpꢂiahm rꢂe ignpꢂed.
Pꢂpgꢂrmming iꢃ rllpoed in rnꢄ ꢃeqsence rnd rcꢂpꢃꢃ
ꢃecapꢂ bpsndrꢂieꢃ. A bit cannot be programmed from a “0”
back to a “1”. Aaaemꢁaing ap dp ꢃp mrꢄ hrla ahe pꢁeꢂraipn rnd
ꢃea DQ5 ap “±”, pꢂ crsꢃe ahe Drar\ Pplling rlgpꢂiahm ap indicrae
ahe pꢁeꢂraipn orꢃ ꢃscceꢃꢃfsl. Hpoeveꢂ, r ꢃscceeding ꢂerd oill
ꢃhpo ahra ahe drar iꢃ ꢃaill “0”. Onlꢄ eꢂrꢃe pꢁeꢂraipnꢃ crn
cpnveꢂa r “0” ap r “±”.
Chip Erase Command Sequence
NOTE: See ahe rꢁꢁꢂpꢁꢂirae Cpmmrnd Definiaipnꢃ arble fpꢂ ꢁꢂpgꢂrm
cpmmrnd ꢃeqsence.
Chiꢁ eꢂrꢃe iꢃ r ꢃix-bsꢃ-cꢄcle pꢁeꢂraipn. The chiꢁ eꢂrꢃe
AS29F010
AustinSemiconductor,Inc.reservestherighttochangeproductsorspecificationswithoutnotice.
Rev. 2.3 12/08
7
AUSTIN [ AUSTIN SEMICONDUCTOR ]
