Microsemi SmartDesign MSS Embedded Nonvolatile Memory (eNVM)
Taw qhia
MSS Embedded Nonvolatile Memory (eNVM) configurator tso cai rau koj los tsim ntau thaj chaw nco (cov neeg siv khoom) uas yuav tsum tau ua haujlwm hauv SmartFusion ntaus ntawv eNVM block(s).
Nyob rau hauv daim ntawv no peb piav qhia txog yuav ua li cas rau configure eNVM block(s). Yog xav paub ntxiv txog eNVM, thov mus saib ntawm Actel SmartFusion Microcontroller Subsystem Tus Neeg Siv Khoom Qhia.
Cov ntaub ntawv tseem ceeb Txog eNVM Cov nplooj ntawv siv
MSS configurator siv qee tus naj npawb ntawm cov neeg siv eNVM nplooj ntawv khaws cov MSS teeb tsa. Cov nplooj ntawv no nyob rau saum toj ntawm qhov chaw nyob eNVM. Tus naj npawb ntawm nplooj ntawv yog hloov pauv raws li koj qhov kev teeb tsa MSS (ACE, GPIOs thiab eNVM Init Clients). Koj daim ntawv thov code yuav tsum tsis txhob sau rau hauv cov nplooj ntawv cov neeg siv no vim nws yuav ua rau lub sijhawm tsis ua haujlwm rau koj tus qauv tsim. Nco ntsoov tias yog cov nplooj ntawv no tau ua txhaum los ntawm kev ua yuam kev, ib feem yuav tsis rov pib dua thiab yuav tsum tau rov ua haujlwm dua.
Thawj qhov chaw nyob 'reserved' tuaj yeem suav tau raws li hauv qab no. Tom qab MSS tau ua tiav tiav lawm, qhib lub eNVM configurator thiab sau cov nplooj ntawv muaj nyob rau hauv pab pawg siv Statistics ntawm nplooj ntawv tseem ceeb. Thawj qhov chaw nyob tshwj tseg yog txhais raws li:
first_reserved_address = 0x60000000 + (available_pages * 128)
Tsim thiab teeb tsa cov neeg siv khoom
Tsim Cov Neeg Siv Khoom
Nplooj ntawv tseem ceeb ntawm eNVM configurator tso cai rau koj ntxiv ntau tus neeg siv rau koj eNVM thaiv. Muaj 2 hom neeg siv khoom muaj:
- Data Storage client - Siv cov ntaub ntawv khaws cia cov neeg siv los txheeb xyuas thaj chaw nco generic hauv eNVM thaiv. Cov cheeb tsam no tuaj yeem siv los tuav koj daim ntawv thov code lossis lwm yam ntaub ntawv cov ntsiab lus uas koj daim ntawv thov yuav xav tau.
- Initialization neeg siv - Siv tus neeg siv khoom pib los txheeb xyuas thaj chaw nco uas yuav tsum tau theej ntawm lub sijhawm khau raj ntawm qhov chaw nyob Cortex-M3.
Daim phiaj tseem ceeb kuj qhia cov yam ntxwv ntawm txhua tus neeg siv khoom. Cov yam ntxwv no yog:
- Client Type – Hom tus neeg siv khoom ntxiv rau qhov system
- Client Name – Lub npe ntawm tus neeg siv khoom. Nws yuav tsum tau tshwj xeeb nyob rau hauv lub system.
- Pib Chaw Nyob – Qhov chaw nyob hauv hex uas tus neeg siv khoom nyob hauv eNVM. Nws yuav tsum nyob rau ntawm nplooj ntawv ciam teb. Tsis pub muaj chaw nyob sib tshooj ntawm cov neeg siv khoom sib txawv.
- Lo lus Loj - Lo lus loj ntawm tus neeg siv khoom hauv cov khoom
- Page Start – Nplooj ntawv uas qhov chaw nyob pib pib.
- Page End – Nplooj ntawv uas tus neeg siv lub cim xeeb cheeb tsam xaus. Nws yog cia li xam raws li qhov chaw nyob pib, lo lus loj, thiab tus naj npawb ntawm cov lus rau tus neeg siv khoom.
- Initialization Order - Daim teb no tsis siv los ntawm SmartFusion eNVM configurator.
- Xauv Pib Chaw Nyob - Qhia meej txog qhov kev xaiv no yog tias koj tsis xav kom eNVM configurator hloov koj qhov chaw pib thaum ntaus lub pob "Optimize".
Kev siv cov txheeb cais kuj tau tshaj tawm:
- Cov nplooj ntawv muaj – Tag nrho cov nplooj ntawv muaj los tsim cov neeg siv khoom. Tus naj npawb ntawm nplooj ntawv muaj sib txawv raws li qhov MSS tag nrho raug teeb tsa li cas. Piv txwv li, ACE configuration yuav siv cov nplooj ntawv siv uas ACE pib cov ntaub ntawv yog programmed hauv eNVM.
- Cov nplooj ntawv siv – Tag nrho cov nplooj ntawv siv los ntawm cov neeg siv khoom teeb tsa.
- Nplooj ntawv dawb – Tag nrho cov nplooj ntawv tseem muaj rau kev teeb tsa cov ntaub ntawv khaws cia thiab pib cov neeg siv khoom.
Siv qhov Optimize feature los daws qhov tsis sib haum xeeb ntawm cov chaw nyob sib tshooj rau cov neeg siv khoom. Qhov kev ua haujlwm no yuav tsis hloov qhov chaw nyob hauv paus rau txhua tus neeg siv khoom uas tau kuaj xyuas qhov chaw nyob Lock Start (raws li qhia hauv daim duab 1-1).
Configuring ib Data Storage Client
Hauv Client Configuration dialog koj yuav tsum qhia cov nqi teev hauv qab no.
eNVM Cov ntsiab lus piav qhia
- Cov ntsiab lus – Qhia meej cov ntsiab lus nco uas koj xav kom ua haujlwm rau hauv eNVM. Koj tuaj yeem xaiv ib qho ntawm ob qho kev xaiv hauv qab no:
- Nco File – Koj yuav tsum xaiv ib file ntawm disk uas phim ib qho ntawm lub cim xeeb hauv qab no file hom ntawv – Intel-Hex, Motorola-S, Actel-S lossis Actel-Binary. Saib “Memory File Formats” nyob rau nplooj 9 yog xav paub ntxiv.
- Tsis muaj cov ntsiab lus – Tus neeg siv khoom yog tus tuav qhov chaw. Koj yuav muaj peev xwm thauj tau lub cim xeeb file siv FlashPro/FlashPoint ntawm lub sijhawm programming yam tsis tas yuav rov qab mus rau qhov kev teeb tsa no.
- Siv qhov chaw nyob - Cia cov ntsiab lus nco file dictate qhov twg tus neeg siv tau muab tso rau hauv eNVM thaiv. Qhov chaw nyob hauv cov ntsiab lus nco file rau tus neeg siv khoom ua tiav rau tag nrho eNVM thaiv. Thaum koj xaiv qhov kev xaiv qhov chaw nyob, lub software rho tawm qhov chaw nyob tsawg tshaj plaws los ntawm cov ntsiab lus nco file thiab siv qhov chaw nyob ntawd ua qhov chaw nyob pib rau tus neeg siv khoom.
- Pib Chaw Nyob – Qhov chaw nyob eNVM qhov twg cov ntsiab lus yog programmed.
- Loj ntawm Lo Lus - Lo lus loj, hauv cov khoom, ntawm tus neeg siv khoom pib; tuaj yeem yog 8, 16 lossis 32.
- Tus lej ntawm cov lus - Tus naj npawb ntawm cov lus ntawm tus neeg siv khoom.
JTAG Kev tiv thaiv
Tiv thaiv kev nyeem thiab sau cov ntsiab lus eNVM los ntawm JTAG chaw nres nkoj. Qhov no yog ib qho kev ruaj ntseg rau daim ntawv thov code (Daim duab 1-2).
Configuring tus Initialization Client
Rau cov neeg siv khoom no, cov ntsiab lus eNVM thiab JTAG Cov ntaub ntawv tiv thaiv zoo ib yam li cov lus piav qhia hauv "Configuring a Data Storage Client" ntawm nplooj 6.
Cov ntaub ntawv qhov chaw
- Lub hom phiaj chaw nyob – Qhov chaw nyob ntawm koj qhov chaw cia nyob rau hauv cov nqe lus ntawm Cortex-M3 system nco daim ntawv qhia. Qee thaj tsam ntawm lub cim xeeb daim ntawv qhia tsis raug tso cai los teev rau tus neeg siv khoom no vim tias lawv muaj cov blocks tshwj xeeb. Cov cuab yeej qhia koj txog thaj chaw raug cai rau koj tus neeg siv khoom.
- Kev lag luam loj - Qhov loj me (8, 16 lossis 32) ntawm APB hloov pauv thaum cov ntaub ntawv raug theej los ntawm eNVM nco thaj tsam mus rau lub hom phiaj los ntawm Actel system khau raj code.
- Number of sau - Tus naj npawb ntawm APB hloov pauv thaum cov ntaub ntawv tau theej los ntawm thaj tsam eNVM nco mus rau lub hom phiaj los ntawm Actel system khau raj code. Daim teb no tau txiav txim siab los ntawm lub cuab yeej raws li eNVM cov ntsiab lus cov ntaub ntawv (qhov loj thiab cov lus nug) thiab qhov chaw sib pauv loj (raws li qhia hauv daim duab 1-3).
Nco File Hom ntawv
Lub cim xeeb hauv qab no file hom ntawv yog muaj raws li kev nkag files rau hauv eNVM Configurator:
- INTEL-HEX
- MOTOROLA S-cov ntaub ntawv
- Actel BINARY
- ACTEL-HEX
INTEL-HEX
Kev lag luam tus qauv file. Extensions yog HEX thiab IHX. Rau example, file2.o xws file3.i xws.
Ib hom qauv tsim los ntawm Intel. Cov ntsiab lus nco tau khaws cia hauv ASCII files siv cov cim hexadecimal. Txhua file muaj cov ntaub ntawv teev tseg (kab kab ntawm cov ntawv) txiav los ntawm kab tshiab, '\n', cov cim thiab txhua cov ntaub ntawv pib nrog ':' cim. Yog xav paub ntxiv txog hom ntawv no, xa mus rau Intel-Hex Record Format Specification document muaj nyob rau ntawm web (Nrhiav Intel Hexadecimal Object File rau ob peb examples) ua.
Intel Hex Cov Ntaub Ntawv yog tsim los ntawm tsib qhov chaw thiab npaj raws li hauv qab no:
:llaaaatt[dd…]cc
Qhov twg:
- : yog tus lej pib ntawm txhua cov ntaub ntawv Intel Hex
- ll yog tus suav byte ntawm cov ntaub ntawv teb
- aaaa yog qhov chaw nyob 16-ntsis ntawm qhov pib ntawm qhov chaw nco rau cov ntaub ntawv. Chaw nyob yog loj endian.
- tt yog hom ntaub ntawv, txhais cov ntaub ntawv teb:
- 00 cov ntaub ntawv
- 01end ua file sau tseg
- 02 ncua ntu chaw nyob cov ntaub ntawv
- 03 pib ntu chaw nyob cov ntaub ntawv (tsis quav ntsej los ntawm Actel cov cuab yeej)
- 04 txuas ntxiv linear chaw nyob cov ntaub ntawv
- 05 pib linear chaw nyob cov ntaub ntawv (tsis quav ntsej los ntawm Actel cov cuab yeej)
- [dd…] yog ib ntu ntawm n bytes ntawm cov ntaub ntawv; n yog sib npaug rau qhov tau teev tseg hauv daim teb ll
- cc yog ib qho checksum ntawm suav, chaw nyob, thiab cov ntaub ntawv
Examprau Intel Hex Record:
PIB: 10000000112233445566778899FFFA
Qhov twg 11 yog LSB thiab FF yog MSB.
MOTOROLA S-cov ntaub ntawv
Kev lag luam tus qauv file. File extension yog S, xws li file4 Nws
Hom ntawv no siv ASCII files, hex cim, thiab cov ntaub ntawv los qhia cov ntsiab lus nco zoo ib yam li Intel-Hex ua. Xa mus rau Motorola S-cov ntaub ntawv piav qhia cov ntaub ntawv kom paub ntau ntxiv ntawm hom ntawv no (nrhiav Motorola S-cov ntaub ntawv piav qhia rau ntau tus examples). Tus Thawj Tswj Cov Ntsiab Lus RAM siv tsuas yog S1 txog S3 cov ntaub ntawv hom; lwm tus tsis quav ntsej.
Qhov sib txawv loj ntawm Intel-Hex thiab Motorola S-cov ntaub ntawv yog cov ntaub ntawv tawm tswv yim, thiab qee qhov kev kuaj xyuas yuam kev ntxiv uas tau muab tso rau hauv Motorola S.
Hauv ob hom ntawv, cov ntsiab lus nco tau teev los ntawm kev muab qhov chaw pib thiab cov ntaub ntawv teev. Cov khoom sab saud ntawm cov ntaub ntawv teev yog thauj mus rau qhov chaw pib thiab cov khoom seem dhau mus rau qhov chaw nyob ib sab kom txog thaum tag nrho cov ntaub ntawv tau siv.
Lub Motorola S-cov ntaub ntawv yog tsim los ntawm 6 daim teb thiab npaj raws li hauv qab no:
Stllaaaa[dd…]cc
Qhov twg:
- S yog tus lej pib ntawm txhua Motorola S-cov ntaub ntawv
- t yog hom ntaub ntawv, txhais cov ntaub ntawv teb
- ll yog tus suav byte ntawm cov ntaub ntawv teb
- aaaa yog qhov chaw nyob 16-ntsis ntawm qhov pib ntawm qhov chaw nco rau cov ntaub ntawv. Chaw nyob yog loj endian.
- [dd…] yog ib ntu ntawm n bytes ntawm cov ntaub ntawv; n yog sib npaug rau qhov tau teev tseg hauv daim teb ll
- cc yog lub checksum ntawm suav, chaw nyob, thiab cov ntaub ntawv
Exampntawm Motorola S-Record:
S10a0000112233445566778899FFA
Qhov twg 11 yog LSB thiab FF yog MSB.
Actel Binary yog qhov zoo tshaj plaws
Lub cim xeeb yooj yim tshaj plaws. Txhua lub cim xeeb file muaj ntau kab raws li muaj cov lus. Txhua kab yog ib lo lus, qhov twg tus lej ntawm binary lej sib npaug ntawm lo lus loj hauv cov khoom. Hom ntawv no muaj cov syntax nruj heev. Lo lus loj thiab tus naj npawb ntawm kab yuav tsum phim raws nraim. Cov file extension yog MEM; rau example, file1.m yim.
Example: Qhov tob 6, dav yog 8
01010011
11111111
01010101
11100010
10101010
11110000
Actel HEX
Ib qhov chaw nyob yooj yim / cov ntaub ntawv khub hom. Txhua qhov chaw nyob uas muaj cov ntsiab lus tau teev tseg. Cov chaw nyob uas tsis muaj cov ntsiab lus teev tseg yuav raug pib rau xoom. Cov file extension yog AHX, xws li filex.ahx. Hom ntawv yog:
AA: D0D1D2
Qhov twg AA yog qhov chaw nyob hauv hex. D0 yog MSB thiab D2 yog LSB.
Cov ntaub ntawv loj yuav tsum phim cov lus loj. Example: Qhov tob 6, dav yog 8
00 :fwv
01: AB
02 XNUMX:cd
03 XNUMX:xf
04:12 ua
05: ib
Tag nrho lwm qhov chaw nyob yuav yog xoom.
Txhais Cov Ntsiab Lus
Absolute vs. txheeb ze chaw nyob
Hauv Relative Addressing, qhov chaw nyob hauv cov ntsiab lus nco file tsis tau txiav txim siab qhov twg tus neeg siv tau muab tso rau hauv lub cim xeeb. Koj qhia qhov chaw ntawm tus neeg siv khoom los ntawm kev nkag mus rau qhov chaw pib. Qhov no dhau los ua 0 chaw nyob los ntawm cov ntsiab lus nco file kev xav thiab tus neeg siv khoom yog populated raws li.
Rau example, yog tias peb tso tus neeg siv khoom ntawm 0x80 thiab cov ntsiab lus ntawm lub cim xeeb file yog raws li nram no:
Chaw nyob: 0x0000 data: 0102030405060708
Address: 0x0008 data: 090A0B0C0D0E0F10
Tom qab ntawd thawj txheej ntawm bytes ntawm cov ntaub ntawv no yog sau rau 0x80 + 0000 hauv eNVM thaiv. Qhov thib ob txheej ntawm bytes yog sau rau qhov chaw nyob 0x80 + 0008 = 0x88, thiab lwm yam.
Yog li cov chaw nyob hauv cov ntsiab lus nco file yog txheeb ze rau tus neeg siv khoom nws tus kheej. Qhov twg tus neeg siv tau muab tso rau hauv lub cim xeeb yog qhov thib ob.
Rau kev hais lus meej, cov ntsiab lus nco file dictates qhov twg tus neeg siv tau muab tso rau hauv eNVM thaiv. Yog li qhov chaw nyob hauv cov ntsiab lus nco file rau tus neeg siv khoom ua tiav rau tag nrho eNVM thaiv. Thaum koj qhib qhov kev xaiv qhov chaw nyob, lub software rho tawm qhov chaw nyob tsawg tshaj plaws los ntawm cov ntsiab lus nco file thiab siv qhov chaw nyob ntawd ua qhov chaw nyob pib rau tus neeg siv khoom.
Kev txhais cov ntaub ntawv Example
Cov nram qab no examples qhia seb cov ntaub ntawv txhais li cas rau ntau lo lus ntau thiab tsawg:
Rau cov ntaub ntawv muab: FF 11 EE 22 DD 33 CC 44 BB 55 (qhov twg 55 yog MSB thiab FF yog LSB)
Rau 32-ntsis lo lus loj:
0x22EE11FF (chaw nyob 0)
0x44CC33DD (chaw nyob 1)
0x000055BB (chaw nyob 2)
Rau 16-ntsis lo lus loj:
0x11FF (chaw nyob 0)
0x22EE (chaw nyob 1)
0x33DD (chaw nyob 2)
0x44CC (chaw nyob 3)
0x55BB (chaw nyob 4)
Rau 8-ntsis lo lus loj:
0xFF (chaw nyob 0)
0x11 (chaw nyob 1)
0xEE (address 2)
0x22 (chaw nyob 3)
0xDD (chaw nyob 4)
0x33 (chaw nyob 5)
0xCC (chaw nyob 6)
0x44 (chaw nyob 7)
0xBB (address 8)
0x55 (chaw nyob 9)
Khoom txhawb
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Kev Pabcuam Cov Neeg Siv Khoom Tsis Siv Neeg
Hu rau Lub Chaw Pabcuam Cov Neeg Siv Khoom rau kev txhawb nqa cov khoom lag luam uas tsis yog khoom siv, xws li cov nqi khoom, kev hloov khoom dua tshiab, cov ntaub ntawv hloov tshiab, kev txiav txim raws li txoj cai, thiab kev tso cai.
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Cov ntaub ntawv / Cov ntaub ntawv
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Microsemi SmartDesign MSS Embedded Nonvolatile Memory (eNVM) [ua pdf] Cov neeg siv phau ntawv qhia SmartDesign MSS Embedded Nonvolatile Memory eNVM, SmartDesign MSS, Embedded Nonvolatile Memory eNVM, Nco eNVM |
