Table of Contents
Paragraph
Number
7.10.23.10.1 Transmit Commands............................................................................7-250
7.10.23.10.2 Receive Commands.............................................................................7-251
7.10.23.10.3 SET GROUP ADDRESS Command....................................................7-251
7.10.23.11
Ethernet Address Recognition.............................................................7-252
7.10.23.12
Hash Table Algorithm ..........................................................................7-253
7.10.23.13
Interpacket Gap Time ..........................................................................7-254
7.10.23.14
Collision Handling................................................................................7-254
7.10.23.15
Internal and External Loopback...........................................................7-255
7.10.23.16
Ethernet Error-handling Procedure......................................................7-255
7.10.23.16.1 Transmission Errors.............................................................................7-255
7.10.23.16.2 Reception Errors..................................................................................7-256
7.10.23.17
Ethernet Mode Register (PSMR).........................................................7-256
7.10.23.18
Ethernet Receive Buffer Descriptor (Rx BD)........................................7-258
7.10.23.19
Ethernet Transmit Buffer Descriptor (Tx BD).......................................7-261
7.10.23.20
Ethernet Event Register (SCCE) .........................................................7-264
7.10.23.21
Ethernet Mask Register (SCCM) .........................................................7-265
7.10.23.22
Ethernet Status Register (SCCS) ........................................................7-265
7.10.23.23
SCC Ethernet Example........................................................................7-266
7.11
Serial Management Controllers (SMCs) ..............................................7-268
7.11.1
SMC Overview.....................................................................................7-268
7.11.2
General SMC Mode Register (SMCMR)..............................................7-270
7.11.3
SMC Buffer Descriptors.......................................................................7-270
7.11.4
SMC Parameter RAM ..........................................................................7-270
7.11.4.1
BD Table Pointer (RBASE, TBASE)....................................................7-271
7.11.4.2
SMC Function Code Registers (RFCR, TFCR) ...................................7-272
7.11.4.3
Maximum Receive Buffer Length Register (MRBLR) ..........................7-273
7.11.4.4
Receiver Buffer Descriptor Pointer (RBPTR).......................................7-273
7.11.4.5
Transmitter Buffer Descriptor Pointer (TBPTR) ...................................7-274
7.11.4.6
Other General Parameters...................................................................7-274
7.11.5
Disabling the SMCs on the Fly.............................................................7-274
7.11.5.1
SMC Transmitter Full Sequence..........................................................7-275
7.11.5.2
SMC Transmitter Shortcut Sequence..................................................7-275
7.11.5.3
SMC Receiver Full Sequence..............................................................7-275
7.11.5.4
SMC Receiver Shortcut Sequence......................................................7-276
7.11.5.5
Switching Protocols..............................................................................7-276
7.11.6
Saving Power.......................................................................................7-276
7.11.7
SMC as a UART ..................................................................................7-276
7.11.7.1
SMC UART Key Features....................................................................7-276
7.11.7.2
SMC UART Comparison......................................................................7-276
7.11.7.3
SMC UART Memory Map ....................................................................7-277
7.11.7.4
SMC UART Transmission Processing.................................................7-278
7.11.7.5
SMC UART Reception Processing......................................................7-279
7.11.7.6
SMC UART Programming Model.........................................................7-279
7.11.7.7
SMC UART Command Set..................................................................7-279
7.11.7.7.1
Transmit Commands............................................................................7-279
Title
Page
Number
xvi
MC68360 USER’S MANUAL
MOTOROLA