The INTEL 8155 Datasheet is a crucial document for anyone working with or studying vintage Intel microprocessors and their associated peripherals. It contains comprehensive information about the INTEL 8155, a versatile Programmable Peripheral Interface (PPI) chip. Understanding the INTEL 8155 Datasheet is key to effectively utilizing this chip in embedded systems and hobbyist projects.
Delving into the INTEL 8155 Datasheet What it Reveals and How it’s Used
The INTEL 8155 Datasheet serves as the definitive guide for understanding the functionality, pinout, and programming of the 8155 PPI. It details the chip’s architecture, which includes three programmable I/O ports (Port A, Port B, and Port C), a 14-bit timer/counter, and 256 bytes of static RAM. This datasheet outlines precisely how each pin functions, how to configure the I/O ports for input or output, and how to program the timer for generating interrupts or timing events. Effectively interpreting this datasheet is critical for successfully integrating the 8155 into a system and harnessing its capabilities.
The datasheet provides detailed electrical characteristics, timing diagrams, and programming examples. This enables developers to design compatible interfaces and write software that interacts correctly with the 8155. It explains how to set the control register to configure the I/O ports to be either input or output ports. It provides the information to configure the timer and counter to generate various timing signals.
Specifically, the INTEL 8155 datasheet includes information like the following, which can be invaluable when using this chip.
- Pin descriptions
- Functional descriptions of the I/O ports and timer
- Timing characteristics
- Electrical characteristics (voltage, current, etc.)
- Programming examples
The 8155 datasheet typically includes a block diagram to help the reader understand the internal architecture.
Here’s a simplified representation of what you might find regarding port configurations:
| Port | Configuration |
|---|---|
| Port A | Input or Output |
| Port B | Input or Output |
| Port C | Input or Output |
To unlock the full potential of the INTEL 8155 and ensure correct implementation, consult the official INTEL 8155 Datasheet. Its comprehensive details are essential for your project’s success!