STMicroelectronics SPC56EC64L7B9E0X

Overview

SPC56EC64L7B9E0X from STMicroelectronics is a 32-bit automotive-grade MCU based on the Power Architecture® e200z4d core, operating up to 120 MHz (200 MIPs), with 1.5 MByte on-chip Flash (ECC), 256 KByte SRAM (ECC), and integrated FlexCAN, DSPI, LINFlex, Ethernet, and CSE cryptographic engine - deployed in body control modules requiring ASIL-B compliance and real-time lighting diagnostics.

For engineers reviewing the SPC56EC64L7B9E0X datasheet, SPC56EC64L7B9E0X pinout, SPC56EC64L7B9E0X application, or SPC56EC64L7B9E0X equivalent, key selection criteria include dual-core timing architecture (e200z4d + e200z0h), 6-channel FlexCAN with 64 buffers each, synchronized ADC-PWM for LED driver control, and Nexus 3+ debug support on LBGA256 packages.

Technical Context

This MCU integrates two independent Power Architecture® cores: a high-performance e200z4d (120 MHz) for main application tasks and a safety-monitoring e200z0h (80 MHz) for lockstep or diagnostic functions. It implements a hierarchical clock tree with FMPLL, four oscillators (4–40 MHz crystal, 32 kHz aux, 16/128 kHz RC), and Clock Monitoring Unit (CMU) for fault detection.

The peripheral set is optimized for automotive body electronics: eMIOS supports 64 PWM/MC/IC/OC channels; dual ADCs (10-bit + 12-bit, up to 90 total channels) feature analog watchdogs and hardware synchronization to PWM edges; Fast Ethernet Controller complies with IEEE 802.3u MII interface timing.

Key Specifications

Pinout & Package

LQFP176 package (24 × 24 × 1.4 mm) with 176 leads, lead pitch 0.5 mm, RoHS-compliant ECOPACK®. Pinout defined per STMicroelectronics DocID17478 Rev 9, Figure 2 (176-pin LQFP configuration).

Key Features

Applications

Equivalent & Alternatives

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

Compared with SPC56EC64L7B9E0X, the SPC56EC70L7B9E0X offers scalable Flash for future firmware growth without changing PCB layout, while the SPC564B64L7B9E0X reduces BOM cost by removing CSE, FlexRay, and Ethernet - making it suitable for entry-level body control where those features are unused.

Availability

SPC56EC64L7B9E0X is available at Aetrix Electronics and suitable for automotive body control modules, LED headlamp drivers, gateway ECUs, and HVAC controllers requiring stable component supply across long production lifecycles.

Supply support for SPC56EC64L7B9E0X 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 ASICs for industrial and automotive markets.

The SPC56ECxx product line targets ASIL-B automotive body electronics, integrating safety mechanisms, cryptographic acceleration, and mixed-signal peripherals optimized for lighting, gateway, and comfort systems.

FAQ

What is the maximum operating frequency of the SPC56EC64L7B9E0X e200z4d core?

The e200z4d core operates at up to 120 MHz, delivering 200 MIPs performance. This frequency is achieved using the FMPLL with a 4–40 MHz external crystal reference; internal RC oscillators (16 MHz fast, 128 kHz slow) serve as backup or low-power clock sources. The core's timing is validated across the full -40 °C to +125 °C temperature range under 3.3 V or 5 V supply conditions.

Does the SPC56EC64L7B9E0X support JTAG debugging?

Yes, the device supports IEEE 1149.1 JTAG boundary scan for production testing and basic debug access. However, for advanced real-time tracing and non-intrusive profiling, Nexus 1 is available on all packages, and Nexus 3+ is enabled exclusively on the LBGA256 variant - not on the LQFP176 package of this specific part (SPC56EC64L7B9E0X).

How many CAN interfaces does the SPC56EC64L7B9E0X integrate?

The SPC56EC64L7B9E0X integrates six independent FlexCAN modules, each with 64 message buffers and full CAN 2.0B protocol support. All six channels support loopback self-test, bit-rate auto-detection, and wakeup-from-STANDBY functionality - essential for multi-domain automotive networks requiring redundancy and diagnostics.

Is the Fast Ethernet Controller compliant with IEEE 802.3u?

Yes, the Fast Ethernet Controller implements the Media Independent Interface (MII) compliant with IEEE 802.3u (100BASE-TX). It supports full-duplex operation at 25 MHz, with documented timing for RXD[3:0], TXD[3:0], RX_DV, TX_EN, and MDC/MDIO signals - verified in STMicroelectronics DocID17478 Rev 9, Section 3.18.