 2015 Microchip Technology Inc. DS00001995A-page 1

INTRODUCTION

This document describes the guidelines for creating hardware abstraction layer/PDI driver files for SSC for LAN9252.

This document includes the following topics:

• LAN9252 Architecture on page 2

• Beckhoff’s SSC Architecture on page 4

• LAN9252 Hardware Abstraction Layer on page 4

• Guidelines for porting LAN9252-PIC32_SDK_Vx.x to other SOCs on page 5

Abbreviations

SPI – Serial peripheral interface

HBI – Hub bus interface

ESC – EtherCAT

core

CSR – Control and status register

SSC – Slave Stack Code

HAL – Hardware Abstraction Layer

AN1995

LAN9252 SOC Porting Guidelines

Author: Riyas Kattukandan

Microchip Technology, Inc.