8155 PPI with Timer Card + FRC Manufacturer,Supplier and Exporter in India
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Product Code : SCL-EELE-13197
Indian Lab Suppliers supplies the 8155 PPI with Timer Card + FRC (Product ID: 13197) as part of its electronics engineering lab equipment range. It is a study card for the 8155, a multi-function chip that combines RAM, parallel I/O ports and a timer, for use with 8085 and 8086 trainer kits.
Quick Answer
The 8155 contains 256 bytes of static RAM, two 8-bit ports and one 6-bit port, and a 14-bit programmable timer/counter, so one chip covers memory, I/O and timing experiments. The study card connects to the trainer bus through a 50-pin FRC cable, with LEDs on the data lines AD0-AD7 and the chip select, address, read and write signals, and a micro switch for hardware single-stepping as well as full-clock execution. It is supplied with a user manual and sample programs. Please confirm the port terminations, clock source and enclosure at quotation.
Key Specifications
| Parameter | Detail |
|---|---|
| Device | 8155: 256 bytes RAM, 2 × 8-bit + 1 × 6-bit ports, 14-bit timer |
| LED indication | AD0-AD7; chip select, address, RD, WR |
| Execution | Hardware single step (micro switch) or full clock |
| Connection | 50-pin FRC to 8085/8086 trainer bus |
| Documentation | User manual with sample programs |
Where This Is Used
The 8155 was designed as a companion to the 8085 and connects directly to its multiplexed AD0-AD7 bus; the 8085 Microprocessor Trainer (Product ID: 13161) uses one on board. For a stand-alone timer study see 8253 Programmable Timer Study Card + FRC (Product ID: 13196), and for the 8255 see 8255 PPI Study Card + FRC (Product ID: 13195). Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
What does the 8155 contain?
256 bytes of RAM, three I/O ports and a 14-bit timer/counter.
Which trainers does it suit?
8085 and 8086 kits with a 50-pin bus connector; confirm at quotation.
Can it be single-stepped?
Yes, with the hardware single-step switch.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Engineering Lab Equipment
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