STMicroelectronics SPC570SADPT64S

Overview

SPC570SADPT64S from STMicroelectronics is a modular daughter card designed for evaluating SPC570Sx 32-bit automotive microcontrollers in eTQFP64 package. It provides full signal access to CPU I/O, dual CAN-FD, FlexRay, LINFlexD, SCI/RS232, and Nexus 3+ debug interfaces, powered by a single 12 V supply with on-board 5.0 V, 3.3 V, 1.25 V switching regulators and 5 V linear regulator for ADC references.

For engineers reviewing the SPC570SADPT64S datasheet, SPC570SADPT64S pinout, SPC570SADPT64S application, or SPC570SADPT64S equivalent, this board enables rapid validation of automotive powertrain control firmware, real-time debug trace via Mictor, and hardware interface interoperability testing across CAN-FD, FlexRay, and LIN physical layers.

Technical Context

The SPC570SADPT64S implements a plug-in evaluation module architecture that mates with SPC57XXMB/SPC58XXMB motherboards. It routes all 64 eTQFP signals to port-ordered 0.1" headers and supports three clocking modes: 40 MHz crystal, 8 MHz oscillator, or external SMA input - enabling precise timing validation for engine control unit (ECU) timing-critical functions.

Debug infrastructure includes JTAG (14-pin), Nexus 2 (34-pin), and Nexus 3+ (38-pin Mictor) interfaces, allowing cycle-accurate instruction trace, real-time variable monitoring, and non-intrusive breakpoint insertion - essential for ISO 26262 ASIL-B/C software verification workflows.

Key Specifications

Availability

SPC570SADPT64S is available at Aetrix Electronics and suitable for automotive ECU development, powertrain control prototyping, and functional safety validation requiring stable component supply and long-term design support.

Supply support for SPC570SADPT64S 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, designing and manufacturing microcontrollers, analog ICs, power devices, and sensors for automotive, industrial, and consumer applications.

This daughter card belongs to ST's SPC5 automotive MCU evaluation ecosystem, engineered specifically to accelerate development of ASIL-B/C-compliant powertrain and chassis control systems using the SPC570Sx family.

FAQ

Is the SPC570Sx microcontroller included with the SPC570SADPT64S daughter card?

No. The SPC570SADPT64S is a bare evaluation daughter card only - it does not include the SPC570Sx MCU. The target microcontroller must be purchased separately and installed into the open-top socket. This allows users to evaluate multiple SPC570Sx variants in the same eTQFP64 package without replacing hardware.

What motherboard is required to operate the SPC570SADPT64S?

The SPC570SADPT64S requires either the SPC57XXMB or SPC58XXMB motherboard to function. These motherboards provide power regulation, communication transceivers (CAN-FD, FlexRay, LIN), USB-to-SCI bridge, and system-level peripherals. The daughter card plugs directly into the designated expansion slot and derives all operating power and clocking from the motherboard.

Does the SPC570SADPT64S support real-time trace debugging?

Yes. It features a 38-pin Mictor connector implementing Nexus Level 3+ protocol, enabling high-bandwidth, non-intrusive instruction and data trace, real-time variable watch, and hardware-assisted breakpoints - critical for deterministic timing analysis and AUTOSAR OS validation in safety-critical automotive software.

Can the SPC570SADPT64S be used without the motherboard?

Yes - as a standalone unit when only basic MCU signal access or minimal peripheral testing is needed. All 64 eTQFP signals are exposed on 0.1" headers, and the on-board regulators accept 12 V input. However, full functionality (CAN-FD, FlexRay, LIN, debug trace) requires the SPC57XXMB/SPC58XXMB motherboard for transceiver support and Nexus host interface.