Technical Summary: 80C517A Microcontroller

Overview

The 80C517A is an advanced 8-bit microcontroller from the SAB 80C517 family, designed for high-performance embedded applications. It builds upon the features of the SAB 80C517/83C517A-5, offering enhanced functionality and improved electrical characteristics. This microcontroller is ideal for industrial control systems, automotive applications, and other demanding environments where reliability and processing power are critical.

For detailed operational guidance, users should refer to the SAB 80C517/80C537 User’s Manual (Order No. B258-H6075-G1-X-7600), which provides comprehensive documentation on architecture, programming, and interfacing.

Features

The 80C517A microcontroller includes the following key features:

• 8-bit CPU Core: High-performance architecture with optimized instruction set for efficient processing.
• Extended Memory Support: Includes on-chip ROM and RAM, with options for external memory expansion.
• Advanced Peripherals: Integrated timers, serial communication interfaces (UART), and parallel I/O ports.
• Analog-to-Digital Converter (ADC): High-resolution ADC for sensor interfacing and signal processing.
• PWM Outputs: Pulse-width modulation capabilities for motor control and power management.
• Watchdog Timer: Built-in watchdog for system reliability and fault recovery.
• Low-Power Modes: Support for idle and power-down modes to reduce energy consumption.
• Wide Operating Voltage: Designed to operate across a broad voltage range, enhancing flexibility in various applications.

Applications

The 80C517A is suited for a wide range of applications, including:

• Industrial Automation: Control systems, PLCs, and monitoring equipment.
• Automotive Electronics: Engine management, dashboard controls, and safety systems.
• Consumer Electronics: Home appliances, audio/video equipment, and smart devices.
• Medical Devices: Portable diagnostic tools and patient monitoring systems.
• Embedded Systems: Custom solutions requiring robust processing and peripheral integration.

Electrical Characteristics

The following tables outline the key electrical specifications of the 80C517A microcontroller.

Absolute Maximum Ratings

• Supply Voltage (V_CC): -0.5V to +7.0V
• Input Voltage (V_IN): -0.5V to V_CC + 0.5V
• Operating Temperature Range: -40°C to +85°C
• Storage Temperature Range: -65°C to +150°C

DC Characteristics

• High-Level Input Voltage (V_IH): 2.0V min (at V_CC = 5V)
• Low-Level Input Voltage (V_IL): 0.8V max (at V_CC = 5V)
• High-Level Output Voltage (V_OH): 2.4V min (I_OH = -10µA)
• Low-Level Output Voltage (V_OL): 0.4V max (I_OL = 1.6mA)
• Supply Current (Active Mode): 10mA typical (at 12MHz clock)
• Supply Current (Idle Mode): 5mA typical (at 12MHz clock)

AC Characteristics

• Clock Frequency: 1MHz to 16MHz
• Instruction Cycle Time: 1µs (at 12MHz)
• ADC Conversion Time: 10µs typical (10-bit resolution)
• PWM Frequency Range: 1kHz to 100kHz (programmable)

Package Information

The 80C517A is available in multiple package options to accommodate different design requirements. Below are the details of the standard packages:

Plastic Dual In-Line Package (PDIP)

• Package Code: PDIP-40
• Dimensions: 52.32mm x 13.97mm (length x width)
• Pin Count: 40
• Operating Temperature: -40°C to +85°C

Plastic Leaded Chip Carrier (PLCC)

• Package Code: PLCC-44
• Dimensions: 16.51mm x 16.51mm (square)
• Pin Count: 44 (with J-lead configuration)
• Operating Temperature: -40°C to +85°C

Quad Flat Package (QFP)

• Package Code: QFP-64
• Dimensions: 14mm x 14mm (body size)
• Pin Count: 64
• Operating Temperature: -40°C to +85°C

Conclusion

The 80C517A microcontroller is a versatile and powerful solution for embedded systems requiring high performance and reliability. With its rich feature set, robust electrical characteristics, and multiple packaging options, it is well-suited for a broad spectrum of industrial, automotive, and consumer applications. Engineers and developers can leverage its capabilities to build efficient and scalable embedded solutions.