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The Z84C2006PEC (Z80PIO) is a Parallel Input/Output (PIO) Controller manufactured by Zilog. Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: Zilog
• Part Number: Z84C2006PEC
• Alternate Name: Z80PIO
• Technology: CMOS
• Operating Voltage: 4.5V to 5.5V
• Clock Frequency: Up to 6 MHz
• Operating Temperature Range: 0°C to +70°C (Commercial)
• Package: 40-pin Plastic DIP (Dual Inline Package)

Descriptions:

• The Z80PIO is a programmable parallel I/O interface designed for use with the Z80 CPU and other compatible microprocessors.
• It provides two independent 8-bit bidirectional I/O ports (Port A and Port B), each with configurable modes and interrupt-driven operation.
• It supports handshake signals for synchronized data transfer.
• The device is commonly used in embedded systems, industrial control, and communication interfaces.

Features:

• Two 8-bit I/O Ports (Port A & Port B)
• Four Operating Modes per Port:
• Byte Output
• Byte Input
• Bidirectional Bus (Port A only)
• Bit Control Mode (individual bit I/O)
• Interrupt-Driven Operation with daisy-chain priority support
• Handshake Signals for controlled data transfer (STROBE, READY)
• Fully TTL-Compatible
• Low Power Consumption (CMOS technology)
• Compatible with Z80 CPU and other Z80-family devices

This device is widely used in legacy Z80-based systems for interfacing with peripherals, sensors, and other digital components.