83C750 Microcontroller Technical Summary

Overview

The Philips 83C750 is an advanced microcontroller based on the widely adopted 80C51 architecture. Designed for flexibility and efficiency, this component is ideal for embedded control applications requiring compact size, low power consumption, and high performance. With its robust feature set, the 83C750 is well-suited for logic replacement, consumer electronics, and industrial automation.

The microcontroller integrates 1KB of EPROM (in the 87C750 variant), 64 bytes of RAM, a 16-bit auto-reloadable counter/timer, and a Boolean processor, making it a versatile solution for a variety of control tasks. Its small package options and low power consumption further enhance its applicability in space-constrained and battery-powered designs.

Features

The 83C750 microcontroller offers a comprehensive set of features designed to meet the demands of modern embedded systems:

• 80C51-Based Architecture – Provides compatibility with the industry-standard 80C51 instruction set, ensuring ease of development and code reuse.
• High-Speed Operation – Supports an oscillator frequency range of up to 16MHz, enabling rapid execution of control algorithms.
• Compact Package Options – Available in multiple small-footprint packages:
  • 24-pin DIP (300 mil "skinny DIP")
  • 24-pin Shrink Small Outline Package (SSOP)
  • 28-pin PLCC (Plastic Leaded Chip Carrier)
• Low Power Consumption – Optimized for energy efficiency:
  • Normal operation: Less than 11mA at 5V, 12MHz
  • Idle mode – Reduces power consumption during inactive periods
  • Power-down mode – Minimizes power usage when the device is not in operation
• Memory Configuration:
  • 1KB × 8 EPROM (87C750 variant, one-time programmable)
  • 64 × 8 RAM for data storage and manipulation
• 16-Bit Auto-Reloadable Counter/Timer – Facilitates precise timing and event counting.
• Boolean Processor – Enhances bit manipulation capabilities for efficient control logic implementation.
• CMOS and TTL Compatibility – Ensures seamless interfacing with a wide range of digital logic families.

Applications

The 83C750 microcontroller is designed for a broad spectrum of applications, particularly where compact size, low power, and reliable performance are critical. Key application areas include:

• Logic Replacement – Replaces discrete logic components in control systems, reducing board space and complexity.
• Consumer Electronics – Ideal for use in remote controls, small appliances, and portable devices due to its low power consumption.
• Industrial Automation – Suitable for sensor interfacing, motor control, and process monitoring in industrial environments.
• Embedded Control Systems – Provides a cost-effective solution for applications requiring simple yet reliable microcontroller functionality.

Electrical Characteristics

The 83C750 operates within specified electrical parameters to ensure reliable performance across its intended applications. Key electrical characteristics include:

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

Recommended Operating Conditions

• Supply Voltage (V_CC): 4.5V to 5.5V
• Operating Frequency: Up to 16MHz
• Input High Voltage (V_IH): 2.0V min (at V_CC = 5V)
• Input Low Voltage (V_IL): 0.8V max (at V_CC = 5V)

Power Consumption

• Active Mode: <11mA at 5V, 12MHz
• Idle Mode: Reduced current consumption, specifics dependent on clock configuration
• Power-Down Mode: Minimal current draw, typically in the microampere range

Package Information

The 83C750 is available in multiple package configurations to accommodate diverse design requirements. Below are the details for each package option:

24-Pin DIP (Dual In-Line Package)

• Package Type: 300 mil "skinny DIP"
• Dimensions: 32.0mm × 7.62mm (typical)
• Pin Pitch: 2.54mm (100 mil)
• Material: Plastic

24-Pin SSOP (Shrink Small Outline Package)

• Package Type: SSOP-24
• Dimensions: 8.65mm × 5.6mm (typical)
• Pin Pitch: 0.65mm
• Material: Plastic

28-Pin PLCC (Plastic Leaded Chip Carrier)

• Package Type: PLCC-28
• Dimensions: 11.43mm × 11.43mm (typical)
• Pin Pitch: 1.27mm (50 mil)
• Material: Plastic

Conclusion

The 83C750 microcontroller from Philips is a versatile and efficient solution for embedded control applications. Its 80C51-based architecture, compact package options, and low power consumption make it an excellent choice for designers seeking a balance of performance and cost-effectiveness. Whether used in consumer electronics, industrial automation, or logic replacement applications, the 83C750 delivers reliable operation in a small footprint.