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