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ac6 >> ac6-formation >> Processeurs PowerPC >> NXP Power CPUs >> MPC55XX implementation Télécharger le catalogue Télécharger la page Ecrivez nous Version imprimable

FM2 MPC55XX implementation

This course covers MPC5554 and MPC5567 NXP MCUs

formateur
Objectives
  • The course explains how to design a MPC5554 board.
  • The e200 core is studied in detail, especially the MMU, the cache and the SPE instruction set.
  • The course explains how to develop a generic interrupt handler.
  • The training highlights data paths between core and peripherals through the internal crossbar switch.
  • The host programming of eTPU and eMIOS is viewed in details.

  • This course has been delivered several times to companies developing automotive and avionics systems.
A lot of programming examples have been developed by ACSYS to explain the boot sequence and the operation of complex peripherals, such as eQADC and eMIOS.
•  They have been developed with Diab Data compiler and are executed under Lauterbach debugger.
A more detailed course description is available on request at formation@ac6-formation.com
Prerequisites and related courses

MPC555X OVERVIEW
Block diagram
  • Internal architecture of the MPC55XX
  • Functional pin multiplexing
  • Memory map, internal register space
  • Connection of peripherals to the core platform
e200 CORE
CORE ARCHITECTURE
  • Differences between the new Book E architecture and the classic PowerPC architecture
  • The instruction pipeline
  • Integer and floating point execution units
  • SPE instruction set, signal processing capability, new data types
  • Vector and scalar floating point
  • The MMU, 32-entry fully associative TLB, page size selection
  • Hardware assist for TLB miss exception
  • Page attributes WIMGE
  • Process protection, variable number of PID registers and sharing
  • TLB initialization
  • The 32-kB unified L1 cache, pseudo round-robin replacement algorithm, 8-way set associativity
  • 8-entry store buffer
  • Cache-related instructions
  • ABI : sections
  • Book E exception handling
  • Core timers
CORE DEBUG
  • Nexus emulation
  • Watchpoint logic
PLATFORM
THE INTERRUPT CONTROLLER
  • Up to 504 on-chip module interrupt sources
  • Software vs hardware vector mode
  • Hardware acceleration for ISRs : use of 9-bit vectors
  • Preemption, priority management
  • External IRQs
HARDWARE IMPLEMENTATION
  • FMPLL
  • Configuration pins
  • Reset configuration halfword
  • Boot assist module, 4 different boot modes
  • MMU configuration after BAM executes
  • Initialization sequence
  • External bus interface, pinout
  • Memory controller with support for SDR flash and SRAM
  • Compatibility with the external bus of the MPC5XX
  • Support for external master accesses to internal addresses
  • Burst support
  • Chip-select programming
ON-CHIP MEMORIES
  • 2 MB on-chip flash
  • Integrated ECC
  • Censorship protection
  • Read while write operation
  • Erase and program sequences
  • 111 kB on-chip SRAM : general purpose SRAM, cache and eTPU RAMs
eDMA AND CROSSBAR
  • Autonomous IO control
  • Parallel memory bus architecture, concurrent accesses
  • Programmable master priorities on a per-slave basis
  • 64 independent channels with link capability
  • Parking on slave ports
  • Transfer control descriptors, inner and outer loops, modulo feature
  • Scatter / gather feature
  • DMA channel arbitration
  • DMA error reporting
PERIPHERALS
eTPUs
  • Real time hardware events processing, scheduling, priority scheme
  • Microengine operation
  • New arithmetic, logical and control instructions
  • Angle clock hardware
  • DMA support
  • Dual eTPU shared resources
  • Introduction to the eTPU functions QOM, NITC, PWM, SIOP, UART
  • Channel service max latency time calculation
  • eTPU development tools, Ashware debugger
eMIOS
  • Introduction to time functions supported by the 24 unified channels
  • DMA request per channel
  • Pin serialization / deserialization
  • eMIOS interrupt requests
  • Double action submodules
  • PWM submodules, center aligned PWM
  • Windowed programmable time accumulation
  • Quadrature decode
eQADC
  • Analog inputs multiplexing
  • 12-bit AD resolution
  • Queue management, trigger sources
  • Conversion queue priority scheme
  • Conversion cycle times
  • eQADC command / data flow
  • Hardware interface
  • ADC error correction
DSPI
  • SPI protocol explanation, master / slave operation
  • Command queue
  • Flexible programming transfer attributes on a per-frame basis
  • Transmit and receive sequences
eSCI
  • UART basics
  • Double buffering
  • Wake up mode
  • Transmit and receive sequences
  • Support for LIN master operation
FlexCAN controllers
  • CAN protocol basics
  • Message buffer structure
  • Mask registers
  • Listen-only mode capability
  • Receive and Transmit processes
  • Error counters
THE FAST ETHERNET CONTROLLER
  • Overview
  • MII pinout
  • Buffer descriptor description
  • Initialization sequence
  • Error management
  • Interrupts
FLEXRAY CONTROLLER
  • FLEXRAY protocol basics
  • FLEXRAY controller characteristic
  • Message buffer structure
  • Clock synchronisation mechanism
  • Initialization
  • Error management
  • Interrupts