Description

This article presents the electronic component model SPC5646BF0MLU1, a 32-bit system-on-chip (SoC) device developed for mid-range engine control and automotive transmission control applications. Through a Power Architecture® technology e200z4 host processor core, it ensures high performance and capabilities, making it more advanced than its predecessor, the MPC5632M. This device is designed explicitly for embedded applications and supports instructions for digital signal processing.

Specifications and features

• Processor core: 150 MHz e200z4 Power Architecture core that offers Variable length instruction encoding (VLE), Superscalar architecture with 2 execution units, Up to 2 integer or floating point instructions per cycle, Up to 4 multiply and accumulate operations per cycle
• Memory organization: 2 MB on-chip flash memory with ECC and read-while-write (RWW); 128 KB on-chip SRAM with standby functionality (32 KB) and ECC; 8 KB instruction cache (with line locking), configurable as 2- or 4-way; 14 + 3 KB eTPU code and data RAM; 4  4 crossbar switch (XBAR); 24-entry MMU
• Fail Safe Protection: 16-entry Memory Protection Unit (MPU); CRC unit with 3 submodules; Junction temperature sensor
• Interrupt: Configurable interrupt controller (INTC) with non-maskable interrupt (NMI); 64-channel eDMA
• Serial channels: 3 eSCI modules; 3 DSPI modules (2 of which support downstream Micro Second Channel [MSC]); 3 FlexCAN modules with 64 message buffers each; 1 FlexRay module (V2.1) up to 10 Mbit/s w/dual or single channel, 128 message objects, ECC; 1 eMIOS; 24 unified channels; 1 eTPU2 (second generation eTPU) - 32 standard channels; 1 reaction module (6 channels with 3 outputs per channel); 2 enhanced queued analog-to-digital converters (eQADCs)
• On-chip features: On-chip CAN/SCI Bootstrap loader with Boot Assist Module (BAM); Nexus: Class 3+ for core; Class 1 for eTPU; JTAG (5-pin); Development Trigger Semaphore (DTS); EVTO pin for communication with external tool; Clock generation: On-chip 4–40 MHz main oscillator; On-chip FMPLL (frequency-modulated phase-locked loop); Up to 112 general-purpose I/O lines
• Power reduction modes: slow, stop, and standby; Flexible supply scheme: 5 V single supply with external ballast; Multiple external supply: 5 V, 3.3 V, and 1.2 V

Application Scenarios

The SPC5646BF0MLU1 microcontroller is specifically designed for mid-range engine control and automotive transmission control applications, making it an excellent choice for applications that require high performance, fail-safe protection, and digital signal processing.

Comparison

• 32-bit system-on-chip (SoC)
• Advanced processor core
• Supports instructions for digital signal processing
• Fail-safe protection
• On-chip functions that support development and programming

• Designed explicitly for automotive applications, which limits its versatility in other applications