NXP Semiconductors FS32R274KCK2MMM

Overview

FS32R274KCK2MMM 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 ADAS radar front-ends requiring ASIL-D compliance.

For engineers reviewing the FS32R274KCK2MMM datasheet, FS32R274KCK2MMM pinout, FS32R274KCK2MMM application, or FS32R274KCK2MMM equivalent, key selection considerations include its radar-specific timing engines (CTE/WGM), dual FMPLL architecture with low-jitter ADC/DAC clock generation, functional safety infrastructure (FCCU, MEMU, STCU2), and MIPICSI2 interface for external ADC connectivity - all in a 257-pin MAPBGA package rated for –40°C to +125°C ambient operation.

Technical Context

The FS32R274KCK2MMM implements a heterogeneous multi-core architecture: two high-performance e200Z7 computation cores operate at up to 240 MHz with SPE2/EFPU2 acceleration, while a dedicated e200Z4 safety core runs in 2-cycle delayed lockstep at 120 MHz. All cores share a 64-bit AMBA AHB crossbar and are protected by per-core MPUs (24 entries each) and dual SMPUs (16 region descriptors each).

Radar processing is hardware-accelerated via the Signal Processing Toolbox (SPT), Cross Timing Engine (CTE) for sub-nanosecond trigger synchronization, and Waveform Generation Module (WGM) for precise chirp ramp synthesis. The device integrates four independent 12-bit ΣΔ-ADCs sampling at 10 MSps each, a 12-bit 10 MSps DAC, and a 4-lane MIPI CSI-2 receiver (1 Gbps/lane) for external ADC interfacing - all supported by dedicated low-jitter PLLs and on-chip voltage regulation (VREG).

Key Specifications

Pinout & Package

FS32R274KCK2MMM is housed in a 257-ball MAPBGA (15 mm × 15 mm, 0.8 mm pitch) with thermal pad. Pin functions are defined per the official NXP S32R274 pinout documentation (Rev. 3.2, Section 19.1), supporting dual power domains (1.25 V core / 3.3 V I/O), differential clock inputs (XOSC/LVDS), MIPI CSI-2 lanes (4 data + 1 clock), and dedicated radar analog interfaces (SDADC[0:3], DAC_OUT).

Key Features

Applications

Equivalent & Alternatives

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

Compared with FS32R274KBK2MMM, FS32R274KCK2MMM removes CSE2 but retains identical radar processing capability, making it optimal for cost-sensitive radar front-ends where security is handled externally. Versus MPC5775K, FS32R274KCK2MMM delivers purpose-built radar acceleration (SPT/CTE/WGM) and MIPI CSI-2, enabling direct connection to modern radar ADCs without intermediate logic.

Availability

FS32R274KCK2MMM is available at Aetrix Electronics and suitable for automotive radar front-ends, ADAS domain controllers, industrial sensing systems, and secure V2X gateways requiring stable component supply across extended product lifecycles.

Supply support for FS32R274KCK2MMM 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 focused on automotive, industrial, IoT, and communication infrastructure solutions, with deep expertise in functional safety and secure processing.

The FS32R274KCK2MMM belongs to NXP's S32R radar MCU family, designed specifically for high-resolution, high-reliability 77/79 GHz radar systems in autonomous driving and advanced driver assistance applications.

FAQ

What is the maximum operating frequency of the e200Z7 cores in the FS32R274KCK2MMM?

The FS32R274KCK2MMM features two e200Z7 computation cores rated for operation up to 240 MHz under full thermal and voltage conditions (1.25 V core, TJ ≤ 150°C). This frequency is validated per the device's operating conditions table (Table 7, Rev. 3.2 datasheet) and enables real-time execution of radar signal processing kernels within the SPT accelerator.

Does the FS32R274KCK2MMM support CAN FD, and which modules implement it?

Yes, the FS32R274KCK2MMM supports CAN FD on two of its three FlexCAN modules, as explicitly stated in Section 1.2 ("Communication Interfaces") and Table 1 of the datasheet. These modules are configurable for CAN FD bit rates up to 5 Mbps and support ISO 11898-1:2015, enabling high-bandwidth radar object list transmission over automotive networks.

What radar-specific hardware accelerators are integrated into the FS32R274KCK2MMM?

The FS32R274KCK2MMM integrates three dedicated radar accelerators: the Signal Processing Toolbox (SPT) for FFT/CFAR/beamforming, the Cross Timing Engine (CTE) for sub-nanosecond synchronized triggering, and the Waveform Generation Module (WGM) for programmable linear and nonlinear chirp synthesis - all confirmed in Sections 1.2 and 14 of the official datasheet.

What is the role of the MIPI CSI-2 interface on the FS32R274KCK2MMM?

The MIPI CSI-2 interface on the FS32R274KCK2MMM provides a 4-lane, 1 Gbps/lane high-speed serial link to connect external radar ADCs (e.g., TI AFE5401 or Analog Devices ADAR1000), eliminating the need for parallel bus routing or FPGA bridging. Its electrical compliance is detailed in Section 14.1 of the datasheet.

How does the FS32R274KCK2MMM achieve ASIL-D compliance despite lacking CSE2?

The FS32R274KCK2MMM achieves ASIL-D compliance through its functional safety subsystem - including the FCCU for fault collection, MEMU for ECC error handling, STCU2 for runtime self-test, dual-clock monitoring (CMU), and end-to-end ECC across memories and buses - all independent of CSE2, which is omitted solely for security, not safety, functionality.