KM103HFB5KXE

Microcontrollers Overview

The KM103HFB5KXE is a 32-bit microcontroller from the KM103HFB series, designed for fast feedback processing in motor control applications. It features an AM32R CPU core with an extended arithmetic unit and operates at up to 80 MHz. The device includes 264 KB of instruction Flash, 32 KB of data Flash, and 20 KB of RAM. It offers 80 pins in a TQFP package, providing 54 general-purpose I/Os, multiple timers, PWM channels for motor control, and various serial interfaces.

Microcontrollers Feature Summary

• Integrated extended arithmetic unit for high-speed mathematical operations including multiplication, division, and trigonometric functions.
• Dedicated motor control peripherals including multi-feedback assist and synchronous A/D conversion triggers.
• Comprehensive safety mechanisms such as memory ECC, clock error detection, and window watchdog timer.
• Supports multiple operation modes including Normal, Sleep, Halt, and Stop for power management.

Microcontrollers Applications

• Motor control systems
• Inverter and converter control
• Industrial automation

Microcontrollers Procurement Notes

Verify the specific suffix KXE against official Nuvoton documentation to confirm pin compatibility and feature set. Ensure the ordering code matches the required package type and temperature range. Cross-reference with the latest datasheet revision to avoid obsolete variants.

Microcontrollers Selection Notes

Select this model when 80 pins and 20 KB RAM are sufficient for the application. Compare with KM103HFB4K or KM103HFB6K if pin count or memory requirements differ. Consider the extended arithmetic unit benefits for complex control algorithms.

Microcontrollers Part Context

Part of the KM103HFB series, which includes variants from 48 to 128 pins. The series targets cost-effective motor control solutions with integrated analog peripherals and safety features. The FB5 variant balances pin count and peripheral availability for mid-range applications.

Microcontrollers Replacement Considerations

Check for direct pin-compatible upgrades within the KM103HFB family, such as KM103HFB6K or KM103HFB7K, if additional resources are needed. Verify software compatibility before switching between different pin counts.

Microcontrollers FAQ

What is the maximum operating frequency of the KM103HFB5KXE?

The CPU clock can operate up to 80 MHz, derived from external oscillation, internal high-speed oscillation, or PLL output.

Does the KM103HFB5KXE support motor control specific features?

Yes, it includes dedicated motor control PWM channels, dead time insertion, output shift, and synchronous A/D conversion start triggers.