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The M5M82C55AP-2 is a programmable peripheral interface (PPI) IC manufactured by Mitsubishi (MIT). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: Mitsubishi (MIT)
• Part Number: M5M82C55AP-2
• Type: CMOS Programmable Peripheral Interface (PPI)
• Operating Voltage: 5V ±10%
• Operating Temperature Range: -40°C to +85°C
• Package: 40-pin DIP (Dual In-line Package)
• Speed Grade: -2 (Standard speed rating)
• Technology: CMOS

Descriptions:

• The M5M82C55AP-2 is a versatile PPI chip designed for interfacing between microprocessors and peripheral devices.
• It provides three 8-bit I/O ports (Port A, Port B, Port C) that can be independently configured for input or output operations.
• Port C can also be split into two 4-bit ports for control or status signals.
• The device is compatible with various microprocessors, including Intel 8080/8085, Z80, and other 8-bit processors.

Features:

• Three 8-bit Programmable I/O Ports:
• Port A, Port B (8-bit), Port C (8-bit, can be split into two 4-bit ports).
• Multiple Operating Modes:
• Mode 0: Basic Input/Output
• Mode 1: Strobed Input/Output
• Mode 2: Bidirectional Bus (Port A only)
• Bit Set/Reset Capability:
• Allows individual bits of Port C to be set or reset for control applications.
• Low Power Consumption:
• CMOS technology ensures efficient power usage.
• Fully TTL-Compatible:
• Ensures compatibility with standard logic levels.
• Easy Interface with Microprocessors:
• Directly connects to data, address, and control buses.

This IC is widely used in industrial control, instrumentation, and embedded systems for flexible I/O expansion.