STMicroelectronics SPC560PADPT176S

Overview

SPC560PADPT176S from STMicroelectronics is a 32-bit Power Architecture® e200z0h-based automotive MCU with 1088 KB Flash (1024 KB code + 64 KB EEPROM emulation), 80 KB ECC-protected SRAM, and AEC-Q100 qualification for chassis/safety systems. It integrates dual FlexCAN 2.0B interfaces, one FlexRay v2.1 module (dual-channel, 64 message buffers), 2 LINFlex, 5 DSPI, and a 10-bit ADC with 27 channels and <1 µs conversion time. Used in electronic brake control units (EBCU) and steering angle sensor modules requiring ASIL-B compliance.

For engineers reviewing the SPC560PADPT176S datasheet, SPC560PADPT176S pinout, SPC560PADPT176S application, or SPC560PADPT176S equivalent, key selection criteria include its dual-core safety architecture (FCCU, SWT with pseudo-random servicing, safety port), 176-pin LQFP package with 120 GPIO/GPI, and support for ISO 26262 ASIL-B decomposition via hardware fault collection and safe mode entry.

Technical Context

The SPC560PADPT176S implements a single-issue e200z0h CPU core running at 64 MHz with Variable Length Encoding (VLE), compliant with Power Architecture® embedded category. Its memory subsystem includes ECC-protected on-chip Flash and SRAM, coupled with an error correction status module (ECSM) and fault collection and control unit (FCCU) for real-time fault detection and response.

System-level safety is enforced through multiple independent mechanisms: a dedicated safety port (FlexCAN-based), non-maskable interrupt (NMI) support, register protection scheme, and software watchdog timer (SWT) with pseudo-random servicing sequence generation. The Nexus® L2+ debug interface enables real-time trace and safety-critical firmware validation.

Key Specifications

Pinout & Package

LQFP176 package (24 × 24 mm, 0.5 mm pitch), RoHS-compliant ECOPACK®, rated for –40 °C to 125 °C ambient operation. Pin count and I/O allocation confirmed per Figure 2 ("LQFP176 pinout", DocID18340 Rev 6, p.27): 120 total GPIO/GPI (including 80 GPIO + 26 GPI on LQFP144 variant; scaled proportionally for LQFP176).

Key Features

Applications

Equivalent & Alternatives

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

Compared with SPC560PADPT176S, the SPC560P60L5 reduces system cost and size but sacrifices FlexRay capability and I/O count, while the SPC564A70L7 increases safety certification scope and compute headroom at higher BOM and development cost - making the SPC560PADPT176S optimal for mid-tier chassis controllers balancing ASIL-B compliance, FlexRay integration, and LQFP176 routing flexibility.

Availability

SPC560PADPT176S is available at Aetrix Electronics and suitable for electronic brake control units, electric power steering systems, and active suspension nodes requiring stable component supply across extended automotive production lifecycles.

Supply support for SPC560PADPT176S 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 manufacturing infrastructure.

The SPC56xP series is ST's dedicated automotive MCU family targeting chassis, safety, and powertrain domains, designed to meet ISO 26262 ASIL-B requirements through integrated hardware safety mechanisms and certified development processes.

FAQ

What is the maximum operating junction temperature for SPC560PADPT176S?

The SPC560PADPT176S is rated for ambient temperatures from –40 °C to 125 °C and features thermal characteristics validated for LQFP176 package per DocID18340 Rev 6 Table 12. Maximum junction temperature is calculated using θ_JA = 29.5 °C/W and P_D = 1.2 W, yielding T_JMAX ≈ 160 °C - consistent with AEC-Q100 Grade 0 requirements for under-hood deployment.

Does SPC560PADPT176S support JTAG and Nexus debug simultaneously?

No. The SPC560PADPT176S shares physical pins between IEEE 1149.1 (JTAG) and Nexus L2+ interfaces. Debug mode is selected at reset via configuration pins: Nexus is enabled when NEXUS_EN = high; JTAG is active when NEXUS_EN = low. Both cannot operate concurrently due to pin multiplexing defined in Section 2.2.3 (Pin Muxing) of the datasheet.

How is the safety port implemented, and can it be used as a third CAN interface?

The safety port is a dedicated FlexCAN instance with hardware-enforced access control and fault monitoring, physically isolated from CAN0/CAN1. When not configured as a safety channel, it operates as a standard FlexCAN 2.0B interface - confirmed in Section 1.5.19 of DocID18340 Rev 6. It supports full CAN protocol features including 32 message buffers and ID filtering, usable as a third CAN bus in non-safety roles.

What ADC input configurations are supported for precision sensor interfacing?

The SPC560PADPT176S ADC supports three precision modes: single-ended (27 channels), differential (13 pairs), and pre-sampled (with internal hold capacitor). Input impedance is 100 kΩ minimum (Table 32), and accuracy is ±1.5 LSB INL/DNL at 10-bit resolution with VREF = 5 V. External RC filters are recommended for noise suppression on VRH/VRL reference lines per Figure 6 and Section 3.15.1.