STMicroelectronics SPC560B54L3C6E0X

Overview

SPC560B54L3C6E0X from STMicroelectronics is a 32-bit automotive MCU based on the Power Architecture® e200z0h core, operating at 64 MHz with 60 DMIPs performance. It integrates 768 KB on-chip Code Flash with ECC, 64 KB Data Flash, and 96 KB SRAM - all with ECC protection - and supports up to 77 GPIOs in LQFP100 package for body electronics control. Its dedicated diagnostic module enables time-triggered PWM and synchronized ADC measurements for lighting systems.

For engineers reviewing the SPC560B54L3C6E0X datasheet, SPC560B54L3C6E0X pinout, SPC560B54L3C6E0X application, or SPC560B54L3C6E0X equivalent, key selection criteria include its 64 MHz e200z0h CPU with VLE support, dual ADC (10-bit + 12-bit) with up to 53 channels, six FlexCAN 2.0B interfaces, and ultra-low-power standby mode with RTC and communication retention.

Technical Context

This MCU implements a variable-length encoding (VLE) extension of the Power Architecture® to optimize code density and real-time determinism in safety-critical automotive body applications. Its architecture includes an 8-entry MPU, cross-triggering unit (CTU) linking ADC and PWM, and a dedicated lighting diagnostic module supporting PWM-synchronized sampling and time-triggered fault detection.

The device features a hierarchical clock system with software-controlled FMPLL, dual crystal oscillators (4–16 MHz fast, 32 kHz slow), and internal RC sources (16 MHz/128 kHz), enabling flexible low-power mode transitions and robust clock monitoring. All memory blocks - Code Flash, Data Flash, and SRAM - incorporate ECC for ASIL-B compliance in automotive environments.

Key Specifications

Pinout & Package

LQFP100 package (14 mm × 14 mm × 1.4 mm), RoHS-compliant, with exposed thermal pad for enhanced heat dissipation in automotive ambient conditions.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SPC560B54L3C6E0X, the C3E0X variant trades temperature range for lower cost in benign environments, while the B60L3 variant increases memory and I/O headroom within identical mechanical and thermal constraints - offering scalable migration paths without layout changes.

Availability

SPC560B54L3C6E0X is available at Aetrix Electronics and suitable for automotive body control modules, smart lighting ECUs, rear combination lamp controllers, and seat control modules requiring stable component supply across long production lifecycles.

Supply support for SPC560B54L3C6E0X 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, industrial, and power solutions with broad IP portfolio and AEC-Q100-qualified manufacturing.

The SPC560B series targets automotive body electronics, emphasizing functional safety (ASIL-B ready), low-power operation, and integrated diagnostics - specifically engineered for centralized and distributed ECU architectures in modern vehicle platforms.

FAQ

What is the maximum operating frequency of the e200z0h core in SPC560B54L3C6E0X?

The e200z0h CPU operates at a maximum frequency of 64 MHz, delivering up to 60 DMIPs. This speed is achieved using the FMPLL with external crystal or internal RC oscillator sources, and is validated across the full −40 °C to +125 °C temperature range per AEC-Q100 Grade 1 specifications.

Does SPC560B54L3C6E0X support AUTOSAR-compliant memory protection?

Yes - it includes an 8-entry Memory Protection Unit (MPU) that enforces read/write/execute permissions across memory regions. Combined with ECC on all on-chip memories, this enables ASIL-B compliance per ISO 26262 when used with certified AUTOSAR OS and BSW components.

How many CAN interfaces does SPC560B54L3C6E0X provide, and what protocol versions are supported?

It integrates six independent FlexCAN modules, each compliant with CAN 2.0B specification (ISO 11898-1). All support 64 message buffers, programmable bit timing, and hardware acceptance filtering - enabling concurrent operation on multiple vehicle subnetworks such as body, chassis, and lighting domains.

Is there hardware support for ADC and PWM synchronization in SPC560B54L3C6E0X?

Yes - the Cross-Triggering Unit (CTU) provides dedicated hardware linkage between eMIOS timers, ADCs, and PWM modules. This enables precise, jitter-free synchronization of PWM edge events with ADC sampling windows - essential for lighting current regulation and motor phase current measurement.