Processor Users Manual
xxii
MPC8260 PowerQUICC II UserÕs Manual
MOTOROLA
CONTENTS
Paragraph
Number
Title
Page
Number
24.6 The Content-Addressable Memory (CAM) Interface ........................................24-7
24.7 SCC Ethernet Parameter RAM...........................................................................24-8
24.8 Programming the Ethernet Controller ..............................................................24-10
24.9 SCC Ethernet Commands.................................................................................24-10
24.10 SCC Ethernet Address Recognition .................................................................24-11
24.11 Hash Table Algorithm ......................................................................................24-13
24.12 Interpacket Gap Time .......................................................................................24-13
24.13 Handling Collisions ..........................................................................................24-13
24.14 Internal and External Loopback .......................................................................24-14
24.15 Full-Duplex Ethernet Support ..........................................................................24-14
24.16 Handling Errors in the Ethernet Controller ......................................................24-14
24.17 Ethernet Mode Register (PSMR)......................................................................24-15
24.18 SCC Ethernet Receive BD................................................................................24-17
24.19 SCC Ethernet Transmit Buffer Descriptor .......................................................24-19
24.20 SCC Ethernet Event Register (SCCE)/Mask Register (SCCM).......................24-21
24.21 SCC Ethernet Programming Example..............................................................24-23
Chapter 25
SCC AppleTalk Mode
25.1 Operating the LocalTalk Bus..............................................................................25-1
25.2 Features...............................................................................................................25-2
25.3 Connecting to AppleTalk....................................................................................25-3
25.4 Programming the SCC in AppleTalk Mode .......................................................25-3
25.4.1 Programming the GSMR................................................................................25-3
25.4.2 Programming the PSMR.................................................................................25-4
25.4.3 Programming the TODR ................................................................................25-4
25.4.4 SCC AppleTalk Programming Example ........................................................25-4
Chapter 26
Serial Management Controllers (SMCs)
26.1 Features...............................................................................................................26-2
26.2 Common SMC Settings and Configurations ......................................................26-3
26.2.1 SMC Mode Registers (SMCMR1/SMCMR2) ...............................................26-3
26.2.2 SMC Buffer Descriptor Operation .................................................................26-5
26.2.3 SMC Parameter RAM ....................................................................................26-6
26.2.3.1 SMC Function Code Registers (RFCR/TFCR) ..........................................26-8
26.2.4 Disabling SMCs On-the-Fly...........................................................................26-9
26.2.4.1 SMC Transmitter Full Sequence ................................................................26-9
26.2.4.2 SMC Transmitter Shortcut Sequence .........................................................26-9
26.2.4.3 SMC Receiver Full Sequence.....................................................................26-9