Processor Users Manual
MOTOROLA Contents xxix
CONTENTS
Paragraph
Number
Title
Page
Number
30.19 Ethernet RxBDs................................................................................................30-23
30.20 Ethernet TxBDs................................................................................................30-26
Chapter 31
FCC HDLC Controller
31.1 Key Features.......................................................................................................31-2
31.2 HDLC Channel Frame Transmission Processing...............................................31-2
31.3 HDLC Channel Frame Reception Processing....................................................31-3
31.4 HDLC Parameter RAM......................................................................................31-4
31.5 Programming Model ..........................................................................................31-5
31.5.1 HDLC Command Set .....................................................................................31-5
31.5.2 HDLC Error Handling....................................................................................31-6
31.6 HDLC Mode Register (FPSMR)........................................................................31-7
31.7 HDLC Receive Buffer Descriptor (RxBD)........................................................31-9
31.8 HDLC Transmit Buffer Descriptor (TxBD).....................................................31-12
31.9 HDLC Event Register (FCCE)/Mask Register (FCCM)..................................31-14
31.10 FCC Status Register (FCCS)............................................................................31-16
Chapter 32
FCC Transparent Controller
32.1 Features ..............................................................................................................32-2
32.2 Transparent Channel Operation .........................................................................32-2
32.3 Achieving Synchronization in Transparent Mode .............................................32-2
32.3.1 In-Line Synchronization Pattern ....................................................................32-3
32.3.2 External Synchronization Signals ..................................................................32-3
32.3.3 Transparent Synchronization Example ..........................................................32-4
Chapter 33
Serial Peripheral Interface (SPI)
33.1 Features ..............................................................................................................33-2
33.2 SPI Clocking and Signal Functions....................................................................33-2
33.3 Configuring the SPI Controller ..........................................................................33-3
33.3.1 The SPI as a Master Device ...........................................................................33-3
33.3.2 The SPI as a Slave Device .............................................................................33-4
33.3.3 The SPI in Multimaster Operation .................................................................33-4
33.4 Programming the SPI Registers .........................................................................33-6
33.4.1 SPI Mode Register (SPMODE) .....................................................................33-6
33.4.1.1 SPI Examples with Different SPMODE[LEN] Values..............................33-8
33.4.2 SPI Event/Mask Registers (SPIE/SPIM) .......................................................33-9