ʻO ke alahaka HPMS DDR he alahaka ʻikepili ma waena o ʻehā mau haku kaʻa kaʻa AHB a me kahi kauā kaʻa AXI hoʻokahi. Hōʻiliʻili ʻo ia i nā palapala AHB i kākau i ka hui pū ʻana i nā buffer ma mua o ka hoʻokuʻu ʻana i ka hoʻomanaʻo DDR waho. Loaʻa pū kekahi i ka heluhelu ʻana i nā buffers, e hiki ai i nā haku AHB ke heluhelu pono i ka ʻikepili mai ka hoʻomanaʻo DDR waho mai kahi buffer kūloko. Hoʻonui ka alahaka DDR i ka heluhelu a kākau ʻana mai nā haku he nui i kahi hoʻomanaʻo DDR waho. Hoʻokomo ʻia nā lula pili ʻikepili ma waena o nā haku ʻehā a me ka hoʻomanaʻo DDR waho i ka lako.
Aia i loko o ke alahaka DDR ʻekolu kākau hoʻohui / heluhelu i nā pale a me hoʻokahi paʻa heluhelu. Hoʻokomo ʻia nā pale a pau i loko o ke alahaka DDR me nā latches a ʻaʻole pili i nā hanana hanana hoʻokahi (SEU's) i hōʻike ʻia e SRAM. No nā kikoʻī piha e ʻoluʻolu e nānā i ka Microsemi IGLOO2 User's Guide.

Kākau i ka Buffer Time Out Counter

ʻO kēia kahi 10-bit timer interface i hoʻohana ʻia no ka hoʻonohonoho ʻana i ka papa inoa manawa i loko o ka module buffer kākau (Figure 1). Ke hiki aku ka manawa i ka waiwai o ka manawa, hoʻopuka ʻia kahi noi flush e ka mea hoʻoponopono flush a inā ua loaʻa ka pane no kahi noi kākau mua mai ka mea hoʻoponopono kākau, e hoʻouna ʻia kēia noi i ka mea hoʻoponopono kākau. He mea maʻamau kēia papa inoa no nā pale a pau.

• Ka nui o ka ʻāina hiki ʻole ke hoʻopaʻa ʻia – E hoʻohana i kēia koho no ka hoʻonohonoho ʻana i ka nui o ka ʻāpana helu wahi ʻole-bufferable.
• ʻAʻohe-Bufferable Region Address (Upper 16 bits)- E hoʻohana i kēia koho no ka hoʻonohonoho ʻana i ka helu kumu o kahi ʻāpana helu wahi ʻole-bufferable. Hoʻohālikelike ʻia nā bits [15:(N – 1)] o kēia hōʻailona me ka helu AHB [31:(N + 15)] no ka nānā ʻana inā aia ka helu wahi ma kahi ʻāina hiki ʻole ke hoʻopaʻa ʻia. ʻO ka waiwai o N e pili ana i ka nui o ka ʻāina ʻaʻole hiki ke hoʻopaʻa ʻia, no laila ua wehewehe ʻia ka helu kumu e like me ka papa inoa DDRB_NB_SZ e paʻa ana i ka waiwai nui o ka ʻāina non-bufferable i wehewehe ʻia ma kēia configurator.
• E ho'ā i ke kākau Hoʻohui Buffer - E hoʻohana i kēia mau koho e hiki ai i ka Write Combining Buffers no ka HPDMA a me AHB Bus (SWITCH) Masters.
• DDR Burst Nui No ka Heluhelu/Kākau Buffers - E hoʻohana i kēia no ka hoʻonohonoho ʻana i ka buffer kākau a heluhelu i ka nui buffer e like me ka nui o ka pahu DDR. Hiki ke hoʻonohonoho ʻia nā pale i ka nui 16-byte a i ʻole 32-byte.

Kākoʻo Huahana

Kākoʻo ʻo Microsemi SoC Products Group i kāna mau huahana me nā lawelawe kākoʻo like ʻole, me ka Customer Service, Customer Technical Support Center, a webpūnaewele, leka uila, a me nā keʻena kūʻai kūʻai honua. Aia i loko o kēia appendix ka ʻike e pili ana i ke kelepona ʻana iā Microsemi SoC Products Group a me ka hoʻohana ʻana i kēia mau lawelawe kākoʻo.

Lawelawe mea kūʻai mai

Hoʻokaʻaʻike i ka Customer Service no ke kākoʻo huahana ʻole, e like me ke kumu kūʻai huahana, hoʻonui huahana, ʻike hou, kūlana kauoha, a me ka ʻae.

• Mai ʻAmelika ʻĀkau, e kelepona iā 800.262.1060
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Webpaena

Hiki iā ʻoe ke mākaʻikaʻi i nā ʻike loea a me ka ʻike ʻole ma ka ʻaoʻao home SoC, ma www.microsemi.com/soc.

Hoʻokaʻaʻike i ka Customer Technical Support Center

Hoʻohana nā ʻenekinia akamai loa i ka Center Support Center. Hiki ke hoʻopili ʻia ke kikowaena kākoʻo ʻenehana ma ka leka uila a ma o ka Microsemi SoC Products Group webpaena.

leka uila

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ʻO ka leka uila kākoʻo ʻenehana soc_tech@microsemi.com.

Ka'u mau hihia

Hiki i nā mea kūʻai aku o Microsemi SoC Products Group ke hoʻouna a hahai i nā hihia ʻenehana ma ka pūnaewele ma ka hele ʻana i My Cases.

Ma waho o ka US

Hiki i nā mea kūʻai aku ke kōkua ma waho o nā ʻāpana manawa US hiki ke hoʻopili i ke kākoʻo ʻenehana ma o ka leka uila (soc_tech@microsemi.com) a i ʻole e kelepona i kahi keʻena kūʻai kūloko. Hiki ke loaʻa nā papa inoa o ke keʻena kūʻai ma www.microsemi.com/soc/company/contact/default.aspx.

Kākoʻo ʻenehana ITAR

No ke kākoʻo ʻenehana ma RH a me RT FPGA i hoʻoponopono ʻia e International Traffic in Arms Regulations (ITAR), e kelepona mai iā mākou ma o soc_tech_itar@microsemi.com. ʻO kahi ʻē aʻe, i loko o kaʻu mau hihia, koho iā ʻAe ma ka papa inoa hāʻule iho ITAR. No ka papa inoa piha o ITAR-regulated Microsemi FPGAs, e kipa i ka ITAR web ʻaoʻao.

Hāʻawi ʻo Microsemi Corporation (NASDAQ: MSCC) i kahi kōpili piha o nā hopena semiconductor no: aerospace, pale a me ka palekana; ʻoihana a me nā kamaʻilio; a me nā mākeke ikehu ʻenehana a me nā mea ʻē aʻe. Loaʻa nā huahana i nā mea hana kiʻekiʻe, hilinaʻi kiʻekiʻe a me nā polokalamu RF, hui pū ʻia a me RF integrated circuits, customizable SoCs, FPGAs, a me nā subsystem piha. Aia ʻo Microsemi ma Aliso Viejo, Kaleponi. E aʻo hou ma www.microsemi.com.

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