AN2184 Freescale Semiconductor / Motorola, AN2184 Datasheet
AN2184
Manufacturer Part Number
AN2184
Description
MCF5272 Interrupt Service Routine for the Physical Layer Interface Controller
Manufacturer
Freescale Semiconductor / Motorola
Datasheet
1.AN2184.pdf
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Application Note
MCF5272 Interrupt Service Routine
for the Physical Layer Interface Controller
Jean Louis Dolmeta
Networking and Computing Systems Group
Part I Summary and Scope
1.1 Overview
The physical layer interface controller (PLIC) is a peripheral module of the ColdFire
to support ISDN applications such as CODECs, ISDN transceivers, and other peripherals. The PLIC
supports two modes of operation: IDL and GCI physical layer protocols. It also has four dedicated TDM
ports for connecting to external devices.
This document consists of four main parts:
The reader is strongly recommended to read the MCF5272 User’s Manual at www.mot.com/ColdFire
before going through this document. The register and bit explanations therein help the reader to better
understand the device’s internal architecture.
This document contains information on a new product under development by Motorola.
Motorola reserves the right to change or discontinue this product without notice.
© Motorola, Inc., 2001. All rights reserved.
1. A brief description of the inter digital link (IDL) mode of operation
2. The general circuit interface (GCI) explanation
3. A description of the interrupt service routine used to handle the data transfer for both modes of
4. Some examples of ColdFire microprocessor assembly code to perform quick evaluation of the
Semiconductor Products Sector
operation
MCF5272. See Part VIII, “Appendix A.”
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
®
MCF5272 intended
Order Number: AN2184/D
Rev. 1.1, 10/2001
TM
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