SAF-XC878M-16FFI5VAC: Technical Specifications and Application Overview
The SAF-XC878M-16FFI5VAC is a highly integrated 16-bit microcontroller unit (MCU) from Infineon Technologies, designed specifically for demanding automotive and industrial applications. It combines robust performance with specialized peripherals, making it a cornerstone for complex real-time control systems.
Technical Specifications
At its core, the MCU features a high-performance XC800 16-bit C166SV2 CPU core, capable of operating at clock speeds up to 40 MHz. This provides the substantial computational power required for executing complex algorithms and handling multiple tasks simultaneously.
Memory resources are ample for its target applications, featuring up to 128 KB of embedded Flash memory for program storage and 8 KB of RAM for data handling. This ensures sufficient space for application code and efficient real-time data processing.
A key strength of the XC878M lies in its rich set of on-chip peripherals:
CCU6 (Capture/Compare Unit 6): Provides advanced PWM generation for precise control of motors (e.g., BLDC, PMSM) in automotive systems like electric power steering (EPS) and engine cooling fans.
ADC (Analog-to-Digital Converter): A high-speed 10-bit ADC with multiple channels is essential for reading analog sensors (e.g., temperature, position, current sensing).
CAN (Controller Area Network) Interface: This industry-standard CAN 2.0B interface is critical for reliable communication within the harsh electromagnetic environment of automotive networks.

On-Chip Oscillator and PLL: Enhances system reliability by reducing the need for external components and providing stable clock sources.
Protection Features: Built-in features like a Watchdog Timer and robust I/O structures ensure safe operation in critical environments.
The device is housed in a TSSOP-38 package and is rated for an extended industrial temperature range, guaranteeing operation under severe conditions.
Application Overview
The SAF-XC878M-16FFI5VAC is engineered for real-time control systems where reliability and performance are non-negotiable. Its primary application domain is the automotive industry. It is ideally suited for:
Electric Power Steering (EPS) Systems: Controlling the motor that provides steering assistance.
Engine Management: Acting as a dedicated controller for auxiliary functions like throttle control, cooling fans, and water pumps.
Body Control Modules: Managing functions such as power windows, sunroofs, and seat control.
Industrial Automation: Serving as a central controller in motor drives, power inverters, and robotic systems due to its advanced PWM capabilities and robust design.
ICGOOODFIND: The SAF-XC878M-16FFI5VAC stands out as a powerful and reliable solution for designers building the next generation of automotive and industrial control systems. Its blend of a high-performance 16-bit core, dedicated motor control peripherals like the CCU6, and critical communication interfaces like CAN makes it an integral component for complex, real-time embedded applications.
Keywords: Automotive MCU, Real-Time Control, CAN Interface, Motor Control, 16-bit Microcontroller
