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【タイトル】
NOR Flash memoryのBYTE# pinのデフォルト状態について
【質問】
BYTE# pinのデフォルト状態は何ですか?
ボード回路構成として、BYTE# pinをフローティング(オープン状態) にした場合、
Wordモード、もしくは Byteモードで使用できるよう内部プルアップ、もしくは 内部プルダウンされていますか?
【回答】
Cypress NOR Flash MemoryのS29GL-P、S29JL-J、S29GL-N、S29GL064S、S29AL-J、S29AS-JシリーズのBYTE# pinは
内部プルアップ、または 内部プルダウンされておりません。
BYTE# pinは、デバイスのData I/O pinであるDQ15–DQ0が、Byteモード、もしくは Wordモードのどちらで動作させるかを制御します。
BYTE# pinが論理的に “1” (VIH) に設定された場合、デバイスはWordモードであり、データI/O pinのDQ15〜DQ0がアクティブになり、
CE#、及び OE#によって制御されます。
一方でBYTE# pinを論理的に “0” (VIL) に設定すると、デバイスはByteモードになり、データI/O pinのDQ0〜DQ7のみがアクティブになり、
CE#、及び OE#によって制御されます。また、データI/O pinのDQ8〜DQ14はハイインピーダンス状態になり、DQ15 pinはLSB(A-1) アドレス機能の入力として
使用されます。
従って、BYTE# pinは次のモード動作のいずれかに設定する必要があり、フローティング(オープン状態) のままにすることはできません。
・VILモード、もしくは VIHモード
・Byteモード、もしくは Wordモード
S29GL-Tシリーズのみ、BYTE# pinは内部プルアップされており、Wordモードで使用する場合はフローティング(オープン状態) で使用可能です。
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Hi,
I'd like to try translating the KBA229700.
Proxy Entries in ModusToolbox 2.0 to Download Board Support Package - KBA229700
moto
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AN88619 - PSoC 4 Hardware Design Considerations
Only Translation from English to Japanese - Open
I would like to request contribution to translate AN88619 in Japanese.
Please acknowledge in this thread as a response if you want to translate this AN for the community
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After translation is done, please submit the translation AN as a response in this Thread.
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Guideline for translation : JENA input a note in source file
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-> Translate figure title and figure table, if it's possible to translate.
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If you have any question, please response to Thread.
Thank you
Jenna Jo
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Translation from English to Japanese - Open
Translation from English to Chinese - Open
Please acknowledge in this thread as a response, if you want to translate this Knowledge Base Article for the community.
1. Download the attached KBA document
2. Append with your translation in the document
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Thanks,
Best Regards,
Jenna
Show LessHi,
When I was looking at your database, I found this KBA.
Recently, I faced almost same issue at my Japanese customer.
I tried to translate this KBA into Japanese.
“Mismatches with HEX file” Error in Bootloadable Designs - KBA227540
https://community.cypress.com/docs/DOC-17700
----------------------------------
タイトル:ブートローダブル デザインの“Mismatches with HEX file”エラーの発生
質問:
PSoC® 3、PSoC 4、または、PSoC 5LPデバイスのブートローダーコンポーネントで Fast bootloadable application validation が有効になっている場合、PSoCデバイスのフラッシュチェックサムと入力HEXファイルのチェックサムの比較が失敗します(File - Checksum の選択、或いは、F6 を押す)。PSoC Programmerは、「Mismatches with HEX file」というエラーメッセージを報告します。この理由は何ですか?
図1.Mismatches with Hex file
ブートローダーコンポーネントで Fast bootloadable application validation パラメーターが有効になっている場合、ブートローダーはアプリケーションを1回だけ検証し、メタデータ領域の Bootloadable Application Verification Status のデータバイト(byte)を更新します。後続のリセット時に、ブートローダーは Bootloadable Application Verification Status バイト(byte)をチェックして、ブートローダブルアプリケーションの有効性を確認します。そのため、デバイスフラッシュのチェックサムは、hexファイルに保存されている元のチェックサムから変更され、PSoC Programmer からの Checksum(F6)操作が、「Mismatches with HEX file」のエラーになります。
図2.Fast Bootloadable Application Validation の設定
参照
AN73854 - PSoC® 3, PSoC 4, and PSoC 5LP Introduction to Bootloaders
----------------------------------
Best regards,
obana
Message was edited by: Yoicihi Obana I added original images.
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KBA #39 - CX3 Application Software / USB Driver: Frequently Asked Questions – KBA91298
Translation from English to Japanese - Open
Translation from English to Chinese - Open
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2. Append with your translation in the document
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Thanks,
Best Regards,
Jenna
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KBA #38 - Interfacing FX2LP™ with Image Sensor – KBA95736
Translation from English to Japanese - Open
Translation from English to Chinese - Open
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Jenna
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KBA #37 - Single Transaction Translator(STT) and Multiple Transaction Translator (MTT)
Translation from English to Japanese - Open
Translation from English to Chinese - Open
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Best Regards,
Jenna
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KBA #36 - Using the SysTick Timer in PSoC® 4 – KBA91374
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Translation from English to Chinese - Open
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Jenna
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KBA #35 - Implementing USB Composite Device with PSoC 3, PSoC 4L, or PSoC 5LP - KBA223141
Translation from English to Japanese - Open
Translation from English to Chinese - Open
As this is apart translation project from AN translation, request KBA translation work.
Please acknowledge in this thread as a response, if you want to translate this Knowledge Base Article for the community
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3. Submit the translated KBA document back as a response in this thread for review
Thanks,
Best Regards,
Jenna
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