
MOTOROLA
Contents
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CONTENTS
Paragraph
Number
Title
Page
Number
27.19
27.20
27.21
SCC Ethernet Transmit Buffer Descriptor.......................................................27-19
SCC Ethernet Event Register (SCCE)/Mask Register (SCCM)......................27-21
SCC Ethernet Programming Example..............................................................27-23
Chapter 28
SCC Transparent Mode
28.1
28.2
28.3
28.4
28.4.1
28.4.1.1
28.4.1.2
28.4.1.2.1
28.4.1.3
28.4.1.4
28.4.2
28.4.2.1
28.4.2.2
28.5
28.6
28.7
28.8
28.9
28.10
28.11
28.12
28.13
28.14
Features..............................................................................................................28-1
SCC Transparent Channel Frame Transmission Process...................................28-2
SCC Transparent Channel Frame Reception Process........................................28-2
Achieving Synchronization in Transparent Mode .............................................28-3
Synchronization in NMSI Mode....................................................................28-3
In-Line Synchronization Pattern................................................................28-3
External Synchronization Signals..............................................................28-4
External Synchronization Example........................................................28-4
Transparent Mode without Explicit Synchronization................................28-5
End of Frame Detection.............................................................................28-5
Synchronization and the TSA ........................................................................28-6
In-line Synchronization Pattern .................................................................28-6
Inherent Synchronization...........................................................................28-6
CRC Calculation in Transparent Mode..............................................................28-6
SCC Transparent Parameter RAM.....................................................................28-6
SCC Transparent Commands.............................................................................28-7
Handling Errors in the Transparent Controller ..................................................28-8
Transparent Mode and the PSMR......................................................................28-8
SCC Transparent Receive Buffer Descriptor (RxBD).......................................28-9
SCC Transparent Transmit Buffer Descriptor (TxBD)....................................28-10
SCC Transparent Event Register (SCCE)/Mask Register (SCCM).................28-12
SCC Status Register in Transparent Mode (SCCS).........................................28-13
SCC2 Transparent Programming Example......................................................28-13
Chapter 29
IrDA ModeSCC2 Only
29.1
29.2
29.3
29.3.1
29.3.2
29.3.3
29.4
29.4.1
Low-Speed IrDA Protocol .................................................................................29-2
Middle-Speed IrDA Protocol.............................................................................29-2
High-Speed IrDA Protocol.................................................................................29-3
4PPM Data Encoding Definition ...................................................................29-3
Data Link Layer .............................................................................................29-4
Serial Infrared Interaction Pulses...................................................................29-5
IrDA Registers....................................................................................................29-6
Infrared Mode Register (IRMODE)...............................................................29-6