STMicroelectronics SPC560P40L3CEFBY

Overview

SPC560P40L3CEFBY from STMicroelectronics is a 32-bit Power Architecture® e200z0h-based automotive MCU with 256 KB on-chip code flash (ECC-protected), 64 KB data flash for EEPROM emulation, and 20 KB SRAM (ECC-protected), operating up to 64 MHz. It integrates dual FlexCAN 2.0B interfaces (one configurable as safety port up to 8 Mbit/s), 2 LINFlex, 3 DSPI, 10-bit ADC with 16 channels & <1 µs conversion time, and FlexPWM with 8 outputs - deployed in chassis control modules requiring ASIL-B compliance.

For engineers reviewing the SPC560P40L3CEFBY datasheet, SPC560P40L3CEFBY pinout, SPC560P40L3CEFBY application, or SPC560P40L3CEFBY equivalent, key selection criteria include ECC-protected memory architecture, dual CAN with safety port capability, VLE instruction set support, and qualification per AEC-Q100 Grade 1 (–40 °C to 125 °C).

Technical Context

The SPC560P40L3CEFBY implements a single-issue e200z0h CPU core compliant with Power Architecture® embedded category, featuring Variable Length Encoding (VLE) for code density optimization and integrated Nexus Class 1 debug interface. Its memory subsystem includes separate ECC-protected code flash (256 KB), data flash (4 × 16 KB), and SRAM (20 KB), all accessible via a crossbar switch (XBAR) for deterministic latency.

Peripheral integration centers on functional safety: dual FlexCAN controllers (one dedicated safety port with independent message buffers and timing), fault collection unit (FCU), programmable watchdog timer (SWT), and non-maskable interrupt (NMI). The ADC supports cross-triggering with eTimer and FlexPWM, enabling synchronized sampling in motor control and sensor fusion applications.

Key Specifications

Pinout & Package

LQFP100 package (14 mm × 14 mm × 1.4 mm, 0.5 mm pitch), ECOPACK®-compliant, qualified for automotive under AEC-Q100 Grade 1 (–40 °C to +125 °C junction temperature).

Key Features

Applications

Equivalent & Alternatives

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

Compared with NXP S32K144 and Renesas RH850/F1L, the SPC560P40L3CEFBY offers unique value in maintaining Power Architecture toolchain continuity, delivering deterministic 8 Mbit/s safety-port CAN performance, and providing VLE-enabled compact code for memory-constrained chassis modules - making it optimal for cost-sensitive ASIL-B upgrades of existing SPC560-based platforms.

Availability

SPC560P40L3CEFBY is available at Aetrix Electronics and suitable for electric power steering, brake-by-wire, and active suspension systems requiring stable component supply, long-term automotive lifecycle support, and AEC-Q100 Grade 1 qualification.

Supply support for SPC560P40L3CEFBY 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, designing and manufacturing microcontrollers, power management ICs, sensors, and automotive-grade components since 1987.

The SPC560P series belongs to ST's SPC5 automotive MCU family, engineered specifically for chassis and safety applications requiring ASIL-B compliance, ECC memory, and integrated functional safety peripherals - targeting cost-optimized, high-reliability electronic control units.

FAQ

Is SPC560P40L3CEFBY qualified for automotive use?

Yes. The SPC560P40L3CEFBY is AEC-Q100 qualified Grade 1 (–40 °C to +125 °C junction temperature) and designed for automotive chassis and safety applications. It meets ISO 26262 requirements for ASIL-B systems through integrated features including ECC memory, fault collection unit (FCU), programmable watchdog timer, and dual CAN with dedicated safety port configuration.

What development tools support SPC560P40L3CEFBY?

The SPC560P40L3CEFBY is supported by ST's SPC5 Studio IDE, which includes GCC-based toolchain, AUTOSAR 4.2-compatible BSW, and configuration tools for clock tree, pinmux, and peripheral initialization. Hardware debugging uses Nexus Class 1 interface compatible with Lauterbach TRACE32 and iSystem winIDEA probes.

Does SPC560P40L3CEFBY support bootloader functionality?

Yes. It includes an on-chip Boot Assist Module (BAM) with CAN and UART bootstrap loader capability. This enables field firmware updates without external programming hardware, supporting secure boot via CRC-16 checksum validation of downloaded images and configurable boot source selection (flash, CAN, or UART).

How does the safety port CAN differ from standard FlexCAN?

The safety port is a dedicated instance of FlexCAN with independent clock domain, 32 message buffers, and hardware-enforced timing isolation. It supports up to 8 Mbit/s at 64 MHz system clock and operates separately from the primary CAN controller - enabling segregation of safety-critical messages (e.g., brake commands) from standard diagnostics or infotainment traffic.