Overview
The SPC584B70E5EHC0X is a 32-bit microcontroller from STMicroelectronics, designed for automotive applications. It is part of the SPC58 4B-Line family and features the high-performance e200z420 core based on 32-bit Power Architecture technology. This microcontroller is AEC-Q100 qualified, ensuring it meets stringent automotive safety and reliability standards. It operates at a core frequency of up to 120 MHz and supports Variable Length Encoding (VLE). The device is equipped with comprehensive safety features, including ASIL-B compliance according to ISO 26262, making it suitable for critical automotive systems.
Key Specifications
| Parameter | Value |
|---|---|
| Core Architecture | 32-bit Power Architecture e200z420 |
| Core Frequency | Up to 120 MHz |
| Flash Memory | 2112 KB (2048 KB code flash + 64 KB data flash) |
| HSM Dedicated Flash Memory | 176 KB (144 KB code + 32 KB data) |
| SRAM | 128 KB on-chip general-purpose SRAM + 64 KB core local data RAM |
| Package | TQFP 144 20x20x1.0 |
| Operating Temperature Range | -40 °C to 150 °C |
| Communication Interfaces | 1 Ethernet controller 10/100 Mbps, 8 MCAN interfaces, 14 LINFlexD modules, 7 DSPI modules |
| Analog-to-Digital Converters | 2 independent fast 12-bit SAR, 1 supervisor 12-bit SAR, 1 10-bit SAR with STDBY mode support |
Key Features
- AEC-Q100 qualified for automotive applications
- High-performance e200z420 core with Variable Length Encoding (VLE)
- Comprehensive new generation ASIL-B safety concept according to ISO 26262
- Failure Collection and Reaction Unit (FCCU) and Memory Error Management Unit (MEMU)
- Cyclic redundancy check (CRC) unit
- Enhanced low power support with ultra low power STANDBY and Smart Wake-up Unit
- Enhanced modular IO subsystem (eMIOS) with up to 64 timed I/O channels
- Body cross triggering unit (BCTU) for triggering ADC conversions
- Dual phase-locked loops for stable clock domains
- Nexus Development Interface (NDI) per IEEE-ISTO 5001-2003 standard
- Boot Assist Flash (BAF) for factory programming
Applications
The SPC584B70E5EHC0X is designed for various automotive applications, including:
- Advanced driver assistance systems (ADAS)
- Engine control units (ECUs)
- Transmission control units (TCUs)
- Body control modules (BCMs)
- Safety-critical systems requiring ASIL-B compliance
Q & A
- What is the core architecture of the SPC584B70E5EHC0X?
The SPC584B70E5EHC0X features a 32-bit Power Architecture e200z420 core.
- What is the maximum core frequency of this microcontroller?
The maximum core frequency is up to 120 MHz.
- What is the total flash memory available on this device?
The device has 2112 KB of flash memory (2048 KB code flash + 64 KB data flash).
- What are the key safety features of this microcontroller?
It includes ASIL-B compliance according to ISO 26262, FCCU, MEMU, and CRC unit.
- What communication interfaces are supported by this microcontroller?
It supports 1 Ethernet controller, 8 MCAN interfaces, 14 LINFlexD modules, and 7 DSPI modules.
- What is the operating temperature range of the SPC584B70E5EHC0X?
The operating temperature range is -40 °C to 150 °C.
- What type of package does this microcontroller use?
The microcontroller is packaged in a TQFP 144 20x20x1.0 package.
- Does this microcontroller support low power modes?
Yes, it supports ultra low power STANDBY and Smart Wake-up Unit.
- What is the purpose of the Body Cross Triggering Unit (BCTU)?
The BCTU triggers ADC conversions from any eMIOS channel or dedicated PIT_RTIs.
- How does the Boot Assist Flash (BAF) work?
The BAF supports factory programming using a serial bootload through the asynchronous CAN or LIN/UART.
