S32K312NHT0VPASR

Microcontrollers Overview

The S32K312NHT0VPASR is a single-core automotive microcontroller based on the Arm Cortex-M7 architecture, operating at 120 MHz. It features 2 MB of program flash memory with ECC and 192 KB of SRAM with ECC, including 96 KB of tightly coupled memory. The device supports ASIL-B functional safety compliance and includes the HSE_B security engine. Operating characteristics cover a voltage range of 2.97 V to 5.5 V and an ambient temperature range from -40 °C to 125 °C.

Microcontrollers Feature Summary

• Single-core Arm Cortex-M7 processor optimized for real-time control with integrated DSP and FPU capabilities.
• Hardware Security Engine (HSE_B) providing symmetric hardware accelerators and side-channel protection.
• Comprehensive connectivity suite including FlexCAN modules with CAN-FD support and flexible I/O emulation.
• Integrated motor control subsystem utilizing Logic Control Units (LCU) and eMIOS timers.

Microcontrollers Applications

• Body control modules requiring ASIL-B compliance
• General-purpose automotive electronic control units
• Motor control applications with offloaded processing

Microcontrollers Procurement Notes

Verify the specific package variant against the datasheet, as suffixes indicate physical form factors. Confirm that the HSE_B security level meets project requirements, noting it lacks the AES accelerator found in higher-end models. Ensure the 120 MHz clock speed aligns with system timing constraints before finalizing procurement.

Microcontrollers Selection Notes

Select this model for cost-sensitive designs needing robust safety features without multi-core complexity. It offers sufficient memory for standard body control logic while maintaining compatibility with the broader S32K3 ecosystem. Consider the HDQFP172 package availability if space-saving is not the primary constraint compared to BGA options.

Microcontrollers Part Context

This component belongs to the S32K3xx series, which extends the S32K1 portfolio with higher performance Cortex-M7 cores. The series provides scalable memory and peripheral options across single, dual, and lockstep configurations. It shares common peripherals and pin-outs within the family to facilitate migration between different memory and safety levels.

Microcontrollers Replacement Considerations

S32K311NHT0VPASR: Offers 1 MB Flash and 128 KB RAM.

Microcontrollers FAQ

Does the S32K312NHT0VPASR include an AES accelerator?

No, the HSE_B security engine included in this model does not feature an AES accelerator; this feature is reserved for the K388 and K389 variants.

What is the maximum operating frequency for this MCU?

The S32K312 operates at a maximum frequency of 120 MHz.