The Z8440BPS is a Z80 family parallel I/O controller (PIO) from Zilog. It provides two independent 8-bit parallel ports with handshaking capabilities, making it suitable for interfacing with a wide range of peripheral devices. This PIO simplifies the design of input/output interfaces in embedded systems.

Applications

• Parallel port interfaces
• Printer interfaces
• Keyboard interfaces
• Industrial control systems
• Data acquisition systems

Features

• Two independent 8-bit parallel ports
• Handshaking capabilities
• Programmable interrupt control
• TTL compatible inputs and outputs
• Low power consumption
• DIP package

Benefits

• Simplified interface to peripheral devices.
• Flexible I/O configuration options.
• Reduced system cost and complexity.
• Improved system performance with interrupt control.
• Easy integration with Z80 microprocessors.

Additional Details

The Z8440BPS provides two 8-bit parallel ports that can be configured as either inputs or outputs. The handshaking capabilities allow for reliable data transfer between the Z80 microprocessor and peripheral devices. The programmable interrupt control enables the PIO to generate interrupts to the microprocessor, allowing for efficient event-driven programming. The device operates from a 5V power supply and features TTL compatible inputs and outputs. The Z8440BPS is available in a DIP package, facilitating easy prototyping and assembly. It is commonly used in embedded systems to interface with printers, keyboards, and other peripheral devices. The PIO simplifies the design of parallel port interfaces, reducing development time and cost.

It is a cost effective solution for managing I/O tasks when combined with a Z80 processor.