NXP Semiconductors FS32R274KBK2VMM

Overview

FS32R274KBK2VMM from NXP Semiconductors is a functional-safety-qualified radar microcontroller for automotive ADAS applications, integrating dual e200Z7 computation cores (240 MHz), one e200Z4 safety core with checker, 2 MB ECC flash, 1.5 MB ECC SRAM, and dedicated radar signal processing hardware including SPT, CTE, WGM, four 12-bit ΣΔ-ADCs (10 MSps), and one 12-bit DAC (10 MSps).

For engineers reviewing the FS32R274KBK2VMM datasheet, FS32R274KBK2VMM pinout, FS32R274KBK2VMM application, or FS32R274KBK2VMM equivalent, this page delivers verified technical context, validated pin-level design meaning, ASIL-D–ready safety architecture details, radar-specific timing and waveform generation capabilities, and confirmed alternative options for 77 GHz radar ECU development.

Technical Context

The FS32R274KBK2VMM implements a lock-step safety architecture with e200Z4 core and checker, supporting ISO 26262 SEooC up to ASIL-D. Its radar processing subsystem includes Signal Processing Toolbox (SPT) acceleration, Cross Timing Engine (CTE) for sub-nanosecond trigger synchronization, and Waveform Generation Module (WGM) for precise chirp ramp synthesis - all operating at up to 200 MHz.

It integrates dual system PLLs: one frequency-modulated PLL (FMPLL) for flexible clock synthesis and a low-jitter PLL dedicated to ΣΔ-ADC and DAC sampling clocks. Memory protection comprises per-core MPUs (24 entries each), dual SMPUs (16 region descriptors each), and end-to-end ECC across flash, SRAM, crossbar, and peripherals.

Key Specifications

Pinout & Package

FS32R274KBK2VMM is housed in a 257-pin MAPBGA package (15 mm × 15 mm, 0.8 mm pitch) with thermal pad. Pin functions are defined per the official NXP S32R274 pinout diagram (Rev. 4, Section 19.1), supporting high-density routing for radar front-end interfacing and safety-critical signal isolation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar radar microcontroller applications.

Compared with FS32R274KBK2VMM, S32R274VBK2VMM removes cryptographic functionality while retaining identical radar processing IP and safety architecture, whereas MPC5775K offers greater general-purpose resources but lacks dedicated radar acceleration blocks - making FS32R274KBK2VMM the only option with integrated SPT, CTE, and WGM for production 77 GHz radar ECUs.

Availability

FS32R274KBK2VMM is available at Aetrix Electronics and suitable for automotive radar module development, ASIL-D–compliant ADAS ECU production, and high-frequency imaging radar prototyping requiring stable component supply and long-term lifecycle assurance.

Supply support for FS32R274KBK2VMM includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in functional safety and radar processing IP.

The S32R series is NXP's purpose-built radar microcontroller platform, designed specifically for 77/79 GHz automotive radar systems - integrating safety, security, and domain-specific acceleration to replace FPGA+MCU architectures in production ADAS modules.

FAQ

What is the maximum operating frequency of the e200Z7 cores in FS32R274KBK2VMM?

The e200Z7 computation cores in FS32R274KBK2VMM operate at up to 240 MHz under full performance conditions (TJ ≤ 150 °C, VDD = 1.25 V). This frequency is enabled by the K-performance grade configuration and is validated across the –40 °C to +105 °C ambient temperature range specified for the V-grade variant. The FS32R274KBK2VMM datasheet (Rev. 4, Section 1.1) confirms this rating as part of the device's qualified operating envelope.

Does FS32R274KBK2VMM support CAN FD, and which modules enable it?

Yes, FS32R274KBK2VMM supports CAN FD on two of its three FlexCAN modules, as explicitly stated in the "Communication Interfaces" section of the S32R274 datasheet (Rev. 4, Section 1.2). The third FlexCAN module operates in classical CAN mode only. CAN FD capability is configurable per module and requires appropriate bit-timing setup and message buffer allocation - no external transceiver changes are needed beyond standard CAN FD-compliant PHYs.

What radar-specific hardware accelerators are integrated into FS32R274KBK2VMM?

FS32R274KBK2VMM integrates three dedicated radar hardware accelerators: the Signal Processing Toolbox (SPT) for FFT/CFAR/beamforming, the Cross Timing Engine (CTE) for sub-nanosecond event synchronization, and the Waveform Generation Module (WGM) for programmable FMCW chirp synthesis. These blocks are physically present and functionally enabled in the FS32R274KBK2VMM silicon, as confirmed in the block diagram (Figure 1) and feature list (Section 1.2) of the official datasheet.

Is the Cryptographic Security Engine (CSE2) enabled in FS32R274KBK2VMM?

Yes, the Cryptographic Security Engine (CSE2) is fully enabled in FS32R274KBK2VMM, as indicated by the 'K' in the part number configuration field (Table 2, Section 3.2) and confirmed in Table 3 ("Configuration") of the S32R274 datasheet. This enables AES-128/256, SHA-256, RSA/ECC, secure boot, and device life-cycle management - distinguishing it from B-grade variants like FS32R274VBK2VMM where CSE2 is disabled.

What is the supported MIPI CSI-2 data rate for FS32R274KBK2VMM?

FS32R274KBK2VMM supports MIPI CSI-2 at up to 1 Gbps per lane across all four data lanes, for an aggregate bandwidth of 4 Gbps in high-speed receive (HS-RX) mode. This capability is documented in Section 14.1 ("MIPICSI2 D-PHY electrical and timing specifications") and the feature list (Section 1.2), and requires VDD_LV_DPHY = 1.25 V ±3% and proper board-level termination per MIPI D-PHY v1.2 compliance.