RM46L440CPGET

Microcontrollers Overview

The RM46L440CPGET is a microcontroller unit based on the ARM Cortex-R4F core within the Hercules RM4 family. It operates at a frequency of 200MHz and features 1MB of flash memory, 128KB of RAM, and 64KB of EEPROM. The device supports 16/32-bit processing and includes 24-channel 12-bit analog-to-digital converters. It utilizes a 144-LQFP package with dimensions of 20x20mm and functions within a temperature range of -40°C to 105°C.

Microcontrollers Feature Summary

• Integrates functional safety capabilities compliant with IEC 61508 SIL 3 and ISO 26262 ASIL D standards for automotive applications.
• Includes dedicated hardware security modules to protect code integrity and data confidentiality against physical attacks.
• Features integrated error correction codes and lock-step cores to ensure high reliability and fault detection.

Microcontrollers Applications

• Automotive powertrain control systems
• Electric vehicle battery management systems
• Industrial motor drives requiring functional safety

Microcontrollers Procurement Notes

Verify the specific suffix CPGET to confirm the commercial temperature grade and tape-and-reel packaging format. Confirm end-of-life status or obsolescence notices from Texas Instruments before finalizing procurement plans. Ensure compatibility with existing design-in tools and reference designs provided by the manufacturer.

Microcontrollers Selection Notes

Select this component when designing systems that require certified functional safety mechanisms alongside high-performance real-time processing. Compare memory sizes and peripheral sets against similar Hercules RM4 variants to ensure optimal cost and feature alignment. Validate that the 144-LQFP package fits the mechanical constraints of the target enclosure.

Microcontrollers Part Context

This part belongs to the Hercules RM4 series, which is designed specifically for safety-critical applications in automotive and industrial sectors. The series emphasizes deterministic performance and robust security features integrated directly into the silicon architecture.

Microcontrollers Replacement Considerations

Direct substitutes include the RM46L850CPGET, which offers increased memory capacity while maintaining pin compatibility and functional safety certifications. Verify electrical specifications and software compatibility before transitioning to alternative models.