RM46L450ZWTT

Microcontrollers Overview

The RM46L450ZWTT is a 16- and 32-bit RISC Flash microcontroller from the Hercules family, utilizing an ARM Cortex-R4F CPU. It features dual CPUs running in lockstep with ECC on Flash and RAM, and Built-In Self-Test (BIST) logic for safety-critical applications. The device includes 1MB of Program Flash with ECC, 128KB of RAM with ECC, and two Next Generation High-End Timer (N2HET) modules. It supports system clocks up to 200 MHz and operates within a core supply voltage range of 1.14 V to 1.32 V and an I/O supply of 3.0 V to 3.6 V.

Microcontrollers Feature Summary

• Dual Cortex-R4F CPUs operating in lockstep mode with integrated memory protection and error signaling
• Comprehensive safety architecture including ECC on flash and RAM, BIST for CPU and memory, and loopback capabilities
• Advanced timing peripherals including N2HET coprocessors, ePWM, eCAP, and eQEP modules for motor control
• Integrated communication interfaces such as Ethernet MAC, USB host/device controllers, and multiple CAN and SPI modules

Microcontrollers Applications

• Industrial Safety Applications
• Medical Applications
• Power Generation and Distribution

Microcontrollers Procurement Notes

Verify the specific package type and temperature rating during procurement. Confirm that the ordering suffix matches the required pinout and environmental specifications. Ensure compatibility with existing design tools and development kits. Check for any recent product retirement notices or replacement part recommendations from Texas Instruments before finalizing orders.

Microcontrollers Selection Notes

Select this component for high-performance real-time control systems requiring functional safety compliance. The dual-lockstep CPU and extensive diagnostic features make it suitable for environments where fault detection is critical. Consider the available peripheral count and memory size relative to application complexity. Evaluate the need for specific communication interfaces like Ethernet or USB when comparing against other devices in the Hercules family.

Microcontrollers Part Context

This microcontroller belongs to the Hercules RM46Lx50 family, designed specifically for safety-critical industrial and medical applications. It integrates advanced safety features alongside high-performance computing capabilities. The device is manufactured by Texas Instruments and is part of their broader portfolio of secure and reliable embedded processing solutions.

Microcontrollers Replacement Considerations

Consult official Texas Instruments documentation for confirmed substitute part numbers. Verify pin-to-pin compatibility and feature parity if considering alternatives within the same family.