MPC5744P
NXP Semiconductors
This document describes the configuration, restrictions, principles, and correct usage of the FCCU module implemented in the MPC5744P devices.
Application NoteNxp
AN5284: Using FCCU on MPC5744P
Instructions for configuring and managing the Fault Collection and Control Unit (FCCU) on NXP MPC5744P microcontrollers, including fault reading, clearing, and state transitions.
Overview
This application note describes the principles, configuration, and correct usage of the Fault Collection and Control Unit (FCCU) implemented in NXP MPC5744P devices. It provides technical guidance on reading and clearing non-critical faults (NCF) using specific opcodes and registers. The document details how to perform fault injection for system testing and explains the requirements for entering and exiting the CONFIG and ALARM states. Key topics include handling the internal FCCU watchdog, managing state transition keys, and configuring alarm interrupts and timeouts to ensure proper hardware fault management.
Use Cases
- Developing functional safety software for automotive applications using MPC5744P.
- Configuring hardware fault monitoring and response mechanisms.
- Testing system reliability through hardware-level fault injection.
- Implementing interrupt-driven fault handling routines.
Topics
NXP
MPC5744P
FCCU
Fault Collection and Control Unit
fault injection
non-critical faults
NCF
CONFIG state
ALARM state
microcontroller safety
automotive MCU
Referenced Parts
| MPC5744P | NXP Semiconductors | This document describes the configuration, restrictions, principles, and correct usage of the FCCU module implemented in the MPC5744P devices. |