NXP Semiconductors FS32R274KCK2VMM

Overview

FS32R274KCK2VMM from NXP Semiconductors is a 32-bit automotive radar microcontroller featuring dual Power Architecture® e200Z7 cores (240 MHz), one safety e200Z4 lock-step core (120 MHz), 2 MB ECC flash, 1.5 MB ECC SRAM, and integrated radar signal processing hardware including SPT, CTE, WGM, four 12-bit ΣΔ-ADCs (10 MSps), and one 12-bit DAC (10 MSps). It targets high-integrity 77/79 GHz radar front-end control and baseband processing in ADAS systems.

For engineers reviewing the FS32R274KCK2VMM datasheet, FS32R274KCK2VMM pinout, FS32R274KCK2VMM application, or FS32R274KCK2VMM equivalent, this page delivers verified functional safety architecture (ASIL-D capable), radar-specific timing and waveform generation capabilities, memory protection configuration, and real-world interface compatibility for automotive radar ECU design.

Technical Context

The FS32R274KCK2VMM implements a safety-critical radar processing architecture with three CPU cores: a lock-step e200Z4 safety monitor core (120 MHz) paired with two independent e200Z7 computation cores (240 MHz each), all supported by end-to-end ECC across flash, SRAM, and bus paths. Its radar subsystem integrates dedicated hardware accelerators - Signal Processing Toolbox (SPT), Cross Timing Engine (CTE), and Waveform Generation Module (WGM) - enabling deterministic chirp ramp synthesis and synchronized ADC/DAC triggering.

It supports functional safety per ISO 26262 up to ASIL-D via FCCU, MEMU, STCU2, EIM, and dual-clock monitoring (CMU), while its security stack includes CSE2 cryptographic engine and PASS/TDM modules for lifecycle management and tamper detection. The device operates across –40 °C to 105 °C ambient temperature and integrates on-chip voltage regulation (VREG), two temperature sensors (TSENS), and MIPICSI2 interface (4-lane, 1 Gbps/lane) for external ADC connectivity.

Key Specifications

Pinout & Package

FS32R274KCK2VMM is housed in a 257-pin MAPBGA package (15 mm × 15 mm, 0.8 mm pitch) with thermal pad, optimized for automotive radar ECU thermal and signal integrity requirements. Pin functions are defined per the official NXP S32R274 pinout documentation (Rev. 3.2, Section 19).

Key Features

Applications

Equivalent & Alternatives

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

Compared with S32R274KBK2VMM, FS32R274KCK2VMM removes CSE2 to reduce silicon area and cost while retaining identical radar processing capability; compared with MPC5775K, FS32R274KCK2VMM delivers purpose-built radar acceleration and deterministic timing unavailable in general-purpose automotive MCUs.

Availability

FS32R274KCK2VMM is available at Aetrix Electronics and suitable for automotive radar front-end control, ADAS sensor fusion nodes, radar calibration units, and functional safety gateways requiring stable component supply and long-term industrial availability.

Supply support for FS32R274KCK2VMM 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 applications, with deep expertise in functional safety and radar technology.

The S32R series is NXP's dedicated automotive radar microcontroller product line, designed specifically for 77/79 GHz radar signal processing, chirp control, and ASIL-D safety compliance in next-generation ADAS and automated driving systems.

FAQ

What is the maximum operating frequency of the e200Z7 cores in the FS32R274KCK2VMM?

The FS32R274KCK2VMM features two e200Z7 computation cores rated for 240 MHz operation under full performance conditions (Tj ≤ 150 °C, VDD = 1.25 V). This frequency is validated per the device's electrical specifications in the S32R274 Data Sheet Rev. 3.2, Section 4.3. The safety e200Z4 core operates at 120 MHz in lock-step configuration. Both frequencies are sustained across the –40 °C to 105 °C ambient temperature range.

Does the FS32R274KCK2VMM support CAN FD, and if so, on which modules?

Yes, the FS32R274KCK2VMM supports CAN FD on two of its three FlexCAN modules, as explicitly stated in the "Communication Interfaces" section of the S32R274 Data Sheet Rev. 3.2. These FlexCAN modules are configurable for CAN FD frame format and bit rates up to 5 Mbps, enabling high-bandwidth radar status reporting and firmware updates in modern ADAS networks.

What radar-specific hardware accelerators are integrated into the FS32R274KCK2VMM?

The FS32R274KCK2VMM integrates three dedicated radar accelerators: the Signal Processing Toolbox (SPT) for FFT and CFAR acceleration, the Cross Timing Engine (CTE) for sub-nanosecond jitter timing trigger generation, and the Waveform Generation Module (WGM) for precise linear/nonlinear chirp ramp synthesis. These modules are confirmed in Sections 1.2 and 14 of the S32R274 Data Sheet Rev. 3.2 and are not present in general-purpose automotive MCUs.

Is the FS32R274KCK2VMM qualified for ASIL-D applications, and what safety mechanisms enable this?

Yes, the FS32R274KCK2VMM is designed to enable ASIL-D applications per ISO 26262 SEooC requirements. Key mechanisms include dual-core lock-step execution (e200Z4 + checker), end-to-end ECC across memory and buses, Fault Collection and Control Unit (FCCU), Memory Error Management Unit (MEMU), Self-Test Control Unit (STCU2), Error Injection Module (EIM), and Clock Monitor Unit (CMU). These are documented in Section 1.2 and Table 1 of the S32R274 Data Sheet Rev. 3.2.

What is the purpose and electrical specification of the MIPICSI2 interface on the FS32R274KCK2VMM?

The MIPICSI2 interface on the FS32R274KCK2VMM is a 4-lane D-PHY receiver (plus clock lane) supporting up to 1 Gbps per lane, intended to connect external high-speed radar ADCs such as TI AFE5401 or Analog Devices ADAR1000. Per Section 14.1 of the S32R274 Data Sheet Rev. 3.2, it complies with MIPI D-PHY v1.2 and enables direct streaming of digitized IF data into the SPT accelerator without host CPU intervention.