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Programmable Peripheral Interface
| メーカー : | Intel Corp |
|---|---|
| パッケージ : | DIP |
| 製品 : | インターフェースIC |
| Datasheet: | D8255 Datasheet (PDF) |
| RoHs Status: | Lead free/RoHS Compliant |
| 在庫: | 10 |
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D8255 製品詳細
The D8255 is a programmable I/O device which is designed for use with all Intel and most other microprocessors. It provides 24 I/O pins which may be individually programmed in 2 groups of 12 and used in 3 major modes of operation:
● Mode 0 - Basic Input/Output. This functional configuration provides simple input and output operations for each of the three ports. No „handshaking'' is required, data is simply written to or read from a specified port. Mode 0 Basic Functional Definitions:
○Two 8-bit ports and two 4-bit ports.
○Any port can be input or output.
○16 different Input/Output configurations are possible in this Mode
● MODE 1 - Strobed Input/Output. This functional configuration provides a means for transferring I/O data to or from a specified port in conjunction with strobes or „handshaking'' signals. In mode 1, Port A and Port B use the lines on Port C to generate or accept these „handshaking'' signals. Mode 1 Basic functional Defini
tions:
○Two Groups (Group A and Group B).
○Each group contains one 8-bit data port and one 4-bit control/data port.
○The 8-bit data port can be either input or output Both inputs and outputs are latched.
○The 4-bit port is used for control and status of the 8-bit data port.
● MODE 2 - Strobed Bidirectional Bus I/O. This functional configuration provides a means for communicating with a peripheral device or structure on a single 8-bit bus for both transmitting and receiving data (bidirectional bus I/O). „Handshaking'' signals are provided to maintain proper bus flow discipline in a similar manner to MODE 1. Interrupt generation and enable/disable functions are also
available. MODE 2 Basic Functional Definitions:
○Used in Group A only.
○One 8-bit, bi-directional bus port (Port A) and a 5-bit control port (Port C).
○The 5-bit control port (Port C) is used for control and status for the 8-bit, bi-directional bus port (Port A)
アプリケーション/パラメータの範囲
KEY
●Compatible with industry standard 8255
●24 I/O lines individually programmed in 2 groups of 12:
○Group A - Port A and upper half of Port C
○Group B – Port B and lower half of Port C
●3 major modes of operation
○Mode 0 – Basic input/output
○Mode 1 – Strobed Input/output
○Mode 2 – Bi-directional Bus
●Control Word Read-Back Capability
●Direct Bit Set/Reset Capability
●Interrupt control functions
●No internal three states busses
●Fully synthesizable technology independent source code.
技術的パラメータ
- メーカー
- INTEL
- 梱包
- Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
- RoHs Status
- Lead free/RoHS Compliant
- パッケージ
- DIP
D8255 特殊な製品に関連する
Ratings and Reviews (1)
- 5 / 5
- 5 Stars 100%
- 4 Stars 0%
- 3 Stars 0%
- 2 Stars 0%
- 1 Stars 0%
-
**alco***2020-03-28
Very good deal
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運送 & 支払い
運送
- 交通手段
- 出荷
- 配信
- DHL
- $20.00-$40.00 (0.50 KG)
- 2-5 days
- Fedex
- $20.00-$40.00 (0.50 KG)
- 3-7 days
- UPS
- $20.00-$45.00 (0.50 KG)
- 2-5 days
- TNT
- $25.00-$65.00 (0.50 KG)
- 2-5 days
- EMS
- $25.00-$45.00 (0.50 KG)
- 5-14 days
- REGISTERED AIR MAIL
- $2.00-$3.00 (0.10 KG)
- 7-30 days
Processing Time：Shipping fee depend on different zone and country.
支払い
- お支払い方法
- 支払手数料
- Wire Transfer
- charge US$30.00 banking fee.
- Paypal
- charge 4.0% service fee.
- Credit Card
- charge 3.5% service fee.
- Western Union
- charge US$0.00 banking fee.
- Money Gram
- charge US$0.00 banking fee.
私たちは高品質の製品、思いやりのサービスと販売保証後を提供します
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私たちは、豊かな製品を持って、あなたの様々なニーズを満たすことができます。
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最小発注数量がの1pcsから始まります。
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最低国際海運料金は$ 2.00米から始まります。
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すべての製品の90日間の品質保証。
梱包
-
Step1: Products
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Step2: Vacuum Packaging
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Step3: Anti-Static Bag
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Step4: Individual Packaging
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Step5: Packaging Boxes
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Step6: Bar-Code Shipping Tag
All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
保証
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
FAQ:
- Q: How does Jotrin guarantee that D8255 is the original manufacturer or agent of INTEL?
- We have a professional business development department to strictly test and verify the qualifications of INTEL original manufacturers and agents. All INTEL suppliers must pass the qualification review before they can publish their D8255 devices; we pay more attention to the channels and quality of D8255 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
- Q: How to find the detailed information of D8255 chips? Including INTEL original factory information, application, D8255 pictures?
- You can use Jotrin's intelligent search engine, or filter by インターフェースIC category, or find it through Intel Corp Information page.
- Q: Are the INTEL's D8255 price and stock displayed on the platform accurate?
- The INTEL's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for D8255, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
- Q: Can I place an order offline?
-
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online. - Q: What forms of payment can I use in Jotrin?
- TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
- Q: How is the shipping arranged and track my package?
-
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days. - Q: What is the process for returns or replacement of D8255?
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All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the D8255 we delivered, we will accept the replacement or return of the D8255 only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of D8255.
(3)The D8255 is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy. - Q: How to contact us and get support, such as D8255 datasheet pdf, D8255 pin diagram?
- Need any After-Sales service, please feel free contact us: sales@jotrin.com
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