STMicroelectronics SPC560P40L1CEFBR

Overview

SPC560P40L1CEFBR from STMicroelectronics is a 32-bit Power Architecture® e200z0h-based automotive MCU with 256 KB on-chip Flash (ECC-protected), 20 KB SRAM (ECC-protected), and 64 MHz CPU clock, designed for chassis and safety-critical systems including electronic braking and steering control. It integrates dual FlexCAN 2.0B interfaces (one configurable as safety port), LINFlex, DSPI, FlexPWM, and a 10-bit ADC with <1 µs conversion time.

For engineers reviewing the SPC560P40L1CEFBR datasheet, SPC560P40L1CEFBR pinout, SPC560P40L1CEFBR application, or SPC560P40L1CEFBR equivalent, key selection criteria include ECC-enabled memory architecture, ASIL-B-capable fail-safe features (programmable watchdog, NMI, FCU), Nexus Class 1 debug support, and LQFP64 package compatibility with automotive-grade thermal and ESD performance.

Technical Context

The SPC560P40L1CEFBR implements a single-issue e200z0h core compliant with Power Architecture® embedded category and supports Variable Length Encoding (VLE) for code density optimization. Its memory subsystem includes 256 KB main Flash with erase/program controller and ECC, plus 64 KB data Flash (4 × 16 KB banks) for EEPROM emulation - both accessible via crossbar switch (XBAR) with deterministic latency.

Real-time peripheral coordination is managed by an integrated Cross Triggering Unit (CTU) synchronizing ADC sampling with FlexPWM events and eTimer captures. The safety port leverages FlexCAN hardware with dedicated message buffers and up to 8 Mbit/s throughput at 64 MHz, enabling redundant communication paths in ISO 26262-compliant chassis applications.

Key Specifications

Pinout & Package

LQFP64 package (10 × 10 × 1.4 mm), 0.5 mm pitch, thermally enhanced for automotive under-hood operation. Pinout validated per STMicroelectronics Doc ID 16100 Rev 7, Figure 2 (64-pin LQFP – Full featured configuration).

Key Features

Applications

Equivalent & Alternatives

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

Compared with SPC560P34L1CEFBR, the SPC560P40L1CEFBR delivers 64 KB more ECC-protected Flash and 4 KB more SRAM - critical for storing extended diagnostic logs and multi-region calibration data in modern brake-by-wire systems; versus MPC5604B, it integrates safety port functionality and data flash, reducing BOM count and simplifying ISO 26262 FMEDA analysis.

Availability

SPC560P40L1CEFBR is available at Aetrix Electronics and suitable for electronic brake control, electric power steering, and adaptive cruise control systems requiring stable component supply, long-term automotive lifecycle support, and ASIL-B-aligned functional safety certification evidence.

Supply support for SPC560P40L1CEFBR 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 management ICs with vertical manufacturing and functional safety expertise.

The SPC560P series belongs to ST's automotive-qualified Power Architecture® MCU family, engineered specifically for chassis and safety applications demanding ASIL-B compliance, ECC memory, and integrated fail-safe peripherals.

FAQ

What is the maximum operating temperature range for SPC560P40L1CEFBR?

The SPC560P40L1CEFBR is qualified for automotive Grade 2 operation: –40 °C to +105 °C ambient temperature, with junction temperature limits defined in ST's Doc ID 16100 Rev 7 Section 3.5. Thermal derating applies above 105 °C ambient, and PCB layout must meet specified copper pour and via requirements per Section 4.2.2.

Does SPC560P40L1CEFBR support JTAG debugging?

Yes, the device includes IEEE 1149.1 JTAG controller supporting boundary scan, device identification, and debug access. JTAG pins (TCK, TMS, TDI, TDO, TRST) are multiplexed with GPIO and require proper pull-up/pull-down biasing per Section 2.2.1 of the datasheet; Nexus Class 1 interface is recommended for real-time trace instead of JTAG for production diagnostics.

How is the safety port FlexCAN configured and validated?

The safety port is implemented as a second FlexCAN module with dedicated 32-message-buffer RAM and configurable bit rate up to 8 Mbit/s at 64 MHz system clock. Configuration is performed via SIUL and CAN_MCR registers; validation requires functional testing of message buffering, CRC checking, and fault injection on CAN1_RX/TX lines per ISO 26262 Part 5 Annex D guidelines.

Can SPC560P40L1CEFBR operate from a 3.3 V supply only?

Yes - the device supports dual supply modes: 5.0 V (±10 %) or 3.3 V (±10 %), selected via NVUSRO[PAD3V5V] bit. At 3.3 V, core and I/O logic operate at reduced voltage, lowering dynamic power consumption by ~40 % versus 5 V mode while maintaining full 64 MHz CPU performance and peripheral functionality per Section 3.10.3.