The LC863320A-5M99 is a single-chip microcomputer manufactured by SANYO Semiconductor. It integrates a variety of functions including CPU, RAM, ROM, I/O ports, and timers, making it suitable for controlling various electronic devices. This particular model is designed for use in television receivers and video equipment.

Applications

• Television Receivers: Used as the main control processor in analog and early digital televisions.
• Video Cassette Recorders (VCRs): Employed for controlling the recording and playback functions.
• DVD Players: Integrated to manage the playback and user interface of DVD players.
• Set-Top Boxes: Used in set-top boxes for channel selection, decoding, and display control.

Features

• 8-bit CPU: Features an 8-bit central processing unit for program execution.
• On-Chip ROM: Includes on-chip Read-Only Memory for storing the program code.
• On-Chip RAM: Incorporates on-chip Random Access Memory for data storage.
• I/O Ports: Provides multiple Input/Output ports for connecting to external devices.
• Timers: Equipped with timers for timing and counting functions.
• PWM Outputs: Includes PWM (Pulse Width Modulation) outputs for controlling motor speed or light intensity.
• Interrupt Controller: Supports interrupt handling for real-time control.

Benefits

• Integrated Solution: Reduces component count and board space by integrating multiple functions into a single chip.
• Cost-Effective: Provides a cost-effective solution for controlling various electronic devices.
• Programmability: Allows for customization and flexibility through programmable ROM and I/O ports.
• Real-Time Control: Enables real-time control through timers and interrupt handling.

Additional Details

The LC863320A-5M99 is typically programmed using assembly language or a high-level language like C. It requires external components such as a crystal oscillator for clock generation and power supply decoupling capacitors. The microcontroller operates within a specific voltage range, and its I/O ports can typically handle a limited amount of current. The 5M99 designation likely refers to a specific mask option or ROM code version tailored to a particular application or customer requirement. These microcontrollers were popular in consumer electronics due to their combination of functionality and cost-effectiveness.