20AC75 Technical Summary

Overview

The 20AC75 is a high-performance microcontroller from the SX family, designed for applications requiring fast processing speeds and efficient power management. This 28-pin SSOP (Shrink Small Outline Package) device offers a robust set of features, including high MIPS (Millions of Instructions Per Second) performance, versatile I/O capabilities, and integrated peripherals. The 20AC75 is ideal for embedded systems, automation, and real-time control applications.

Features

• High-Speed Performance: Capable of 75 MIPS at 75 MHz oscillator frequency (SX18/20/28AC75) and 100 MIPS at 100 MHz oscillator frequency.
• Advanced Architecture: Optimized for real-time processing with low-latency interrupt handling.
• Versatile I/O Ports: Multiple I/O pins (RA, RB, RC) for flexible interfacing with external devices.
• Integrated Peripherals: Includes timers, counters, and communication interfaces for enhanced functionality.
• Low Power Consumption: Designed for energy-efficient operation in battery-powered applications.
• Wide Operating Voltage Range: Supports various power supply configurations.
• Robust Clock Options: Features OSC1 and OSC2 pins for external crystal or resonator connections.
• Compact Package: 28-pin SSOP for space-constrained designs.

Applications

The 20AC75 microcontroller is suitable for a wide range of applications, including but not limited to:

• Industrial Automation: Motor control, sensor interfacing, and process monitoring.
• Consumer Electronics: Smart home devices, remote controls, and wearable technology.
• Automotive Systems: Engine control units, dashboard displays, and safety systems.
• Medical Devices: Portable diagnostic equipment and patient monitoring systems.
• Communication Systems: Modems, routers, and wireless communication modules.
• Embedded Systems: Real-time control, data logging, and signal processing.

Electrical Characteristics

Absolute Maximum Ratings

• Supply Voltage (Vdd): -0.3V to +6.0V
• Input Voltage (Vin): -0.3V to Vdd + 0.3V
• Operating Temperature Range: -40°C to +85°C
• Storage Temperature Range: -65°C to +150°C

Recommended Operating Conditions

• Supply Voltage (Vdd): 2.0V to 5.5V
• Oscillator Frequency: Up to 100 MHz
• Input High Voltage (Vih): 0.8Vdd to Vdd
• Input Low Voltage (Vil): 0V to 0.2Vdd

Power Consumption

• Active Mode: 10 mA (typical) at 5V, 75 MHz
• Sleep Mode: 1 µA (typical) at 3V

Package Information

28-Pin SSOP Mechanical Dimensions

• Package Type: SSOP (Shrink Small Outline Package)
• Pin Count: 28
• Body Width: 5.3 mm (typical)
• Body Length: 10.2 mm (typical)
• Lead Pitch: 0.65 mm
• Lead Width: 0.22 mm (typical)
• Lead Length: 0.6 mm (typical)

Pin Configuration

The 20AC75 features a 28-pin SSOP package with the following pinout:

• Pin 1: Vss
• Pin 2: RTCC
• Pin 3: RA0
• Pin 4: RA1
• Pin 5: RA2
• Pin 6: RA3
• Pin 7: RB0
• Pin 8: RB1
• Pin 9: RB2
• Pin 10: RB3
• Pin 11: RB4
• Pin 12: RB5
• Pin 13: RB6
• Pin 14: RB7
• Pin 15: RC0
• Pin 16: RC1
• Pin 17: RC2
• Pin 18: OSC1
• Pin 19: MCLR
• Pin 20: Vss
• Pin 21: RC3
• Pin 22: RC4
• Pin 23: RC5
• Pin 24: RC6
• Pin 25: RC7
• Pin 26: OSC2
• Pin 27: Vdd
• Pin 28: Vdd

Conclusion

The 20AC75 microcontroller is a powerful and versatile component suitable for high-performance embedded applications. Its combination of speed, low power consumption, and integrated peripherals makes it an excellent choice for developers working on industrial, automotive, consumer, and medical projects. The 28-pin SSOP package ensures compatibility with space-constrained designs while providing ample I/O flexibility.