STMicroelectronics SPC560P44L3CEFAY

Overview

SPC560P44L3CEFAY from STMicroelectronics is a 32-bit Power Architecture® e200z0h-based automotive MCU with 576 KB Flash (ECC-protected), 40 KB SRAM (ECC-protected), and dual 10-bit ADCs (conversion time < 1 µs). It integrates FlexCAN 2.0B (32 message objects), FlexRay V2.1 (up to 10 Mbit/s), and a safety port derived from FlexCAN for chassis and airbag control systems.

For engineers reviewing the SPC560P44L3CEFAY datasheet, SPC560P44L3CEFAY pinout, SPC560P44L3CEFAY application, or SPC560P44L3CEFAY equivalent, key selection criteria include ASIL-B-capable fault collection unit (FCU), Nexus L2+ debug interface, programmable watchdog timer, and dual-channel eTimer units supporting quadrature decode and double-buffered capture/compare - all validated for automotive chassis domain controllers.

Technical Context

The SPC560P44L3CEFAY implements a single-issue, 64 MHz e200z0h CPU core compliant with Power Architecture® embedded category and supports Variable Length Encoding (VLE) for code density optimization. Its memory subsystem includes 512 KB main flash with ECC and erase/program controller plus 64 KB data flash (4 × 16 KB banks) for EEPROM emulation.

Peripheral integration centers on functional safety: FlexCAN safety port operates at up to 7.5 Mbit/s and is architecturally isolated from the primary FlexCAN interface; the Fault Collection Unit (FCU) monitors internal errors including bus faults, memory access violations, and clock failures - feeding status to the System Status and Configuration Module (SSCM) for deterministic fault response.

Key Specifications

Pinout & Package

LQFP100 package (14 × 14 × 1.4 mm), 100-pin leaded quad flat pack with exposed thermal pad - optimized for automotive PCB assembly and thermal dissipation in engine bay or under-hood modules.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SPC560P44L3CEFAY, the S32K144 offers higher CPU frequency but omits FlexRay and safety-port isolation, while the RH850/F1L provides greater memory capacity yet lacks the FCU and Nexus L2+ trace needed for ASIL-B chassis controller certification.

Availability

SPC560P44L3CEFAY is available at Aetrix Electronics and suitable for electronic power steering, airbag control units, active suspension systems, and brake-by-wire actuator modules requiring stable component supply across extended automotive lifecycles.

Supply support for SPC560P44L3CEFAY 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in automotive-grade microcontrollers, power management ICs, and sensor solutions.

The SPC560P series targets ASIL-B automotive chassis applications, emphasizing functional safety, real-time determinism, and multi-protocol connectivity (FlexCAN, FlexRay, LIN, DSPI) for next-generation vehicle dynamics control.

FAQ

What is the maximum operating junction temperature for SPC560P44L3CEFAY?

The SPC560P44L3CEFAY is rated for a maximum junction temperature of +150 °C, validated per AEC-Q100 Grade 1 qualification (−40 °C to +125 °C ambient) with derating curves provided in Section 3.5 of the datasheet. Thermal resistance θ_JA is 35.2 °C/W for the LQFP100 package under JEDEC-standard PCB layout conditions.

Does SPC560P44L3CEFAY support bootloading over CAN without external hardware?

Yes - the on-chip Boot Assist Module (BAM) enables CAN-based firmware updates using standard ISO 15765-2 transport protocol. The device enters bootloader mode upon assertion of the BOOT0 pin during reset, and executes authenticated reflash sequences without requiring external debug probes or UART adapters.

How is the FlexRay safety port functionally isolated from the primary FlexCAN interface?

The FlexRay safety port uses a physically separate message RAM buffer, independent clock domain, and dedicated DMA channel - preventing cross-contamination during fault injection. Its 7.5 Mbit/s capability is enforced via hardware rate-limiting circuitry distinct from the primary FlexCAN's arbitration logic and message object allocation.

What ADC features enable simultaneous sampling of multiple chassis sensors?

The two 10-bit ADCs share a programmable Cross Triggering Unit (CTU) that coordinates start-of-conversion events across both modules with sub-clock-cycle precision. This allows synchronized sampling of brake pressure, suspension displacement, and lateral acceleration sensors - critical for real-time vehicle dynamics estimation.