8255 Programmable Peripheral Interface Manufacturer,Supplier and Exporter in India
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Product Code : SCL-EELE-12719
Indian Lab Suppliers supplies the 8255 Programmable Peripheral Interface (Product ID: 12719) as part of its electronics engineering lab equipment range. It studies the 8255 programmable peripheral interface and how its ports are set as inputs, outputs or a mix.
Quick Answer
The 8255 has three 8-bit ports, A, B and C, whose direction is set by a control word. On this board students write different control words and configure the ports as input, output or combinations of the two, checking the data on LEDs and SPDT switches. Supporting ICs are eight 74LS244 tri-state buffers, a 74LS00 NAND IC, a 74LS32 OR IC, a 2716 EPROM and a 74LS173 4-bit D-type register. A 5 V, 3 A regulated supply is built in, and the board runs from 230 V ±10%, 50 Hz mains with fuse and jewel light. Operating instructions with theory, design procedure and report suggestions are supplied.
Key Specifications
| Parameter | Detail |
|---|---|
| Interface IC | 8255 PPI, three 8-bit ports |
| Experiments | Port configuration as input, output or combination |
| Support ICs | 8 × 74LS244, 74LS00, 74LS32, 2716 EPROM, 74LS173 |
| Inputs / indicators | SPDT switches; LEDs |
| Internal supply | 5 V DC, 3 A, IC regulated |
| Mains supply | 230 V ±10%, 50 Hz, with fuse and jewel light |
Where This Is Used
Used in 8085/8086 interfacing labs with the 8155 Simple Programmable Interface (Product ID: 12718) and the 8212 Single Input/Output (I/O) Port (Product ID: 12717). Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
How many ports does the 8255 have?
Three 8-bit ports, A, B and C.
How are the ports configured?
By writing a control word that sets each port as input or output.
Is the board self-contained?
Yes, it has its own regulated supply, switches and indicators.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Engineering Lab Equipment
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