Freescale Semiconductor MCF5480 - Manual (Page 39)

MCF548x Reference Manual, Rev. 3
Freescale Semiconductor xxxix
Contents
Paragraph
Number
Title
Page
Number
30.3.3.24 FEC Receive FIFO Read Pointer Register (FECRFRP) ..................................... 30-32
30.3.3.25 FEC Receive FIFO Write Pointer Register (FECRFWP) ................................... 30-33
30.3.3.26 FEC Transmit FIFO Data Register (FECTFDR) ................................................ 30-33
30.3.3.27 FEC Transmit FIFO Status Register (FECTFSR) .............................................. 30-34
30.3.3.28 FEC Transmit FIFO Control Register (FECTFCR) ........................................... 30-36
30.3.3.29 FEC Transmit FIFO Last Read Frame Pointer Register (FECTLRFP) .............. 30-37
30.3.3.30 FEC Transmit FIFO Last Write Frame Pointer Register (FECTLWFP) ............ 30-38
30.3.3.31 FEC Transmit FIFO Alarm Register (FECTFAR) ............................................. 30-39
30.3.3.32 FEC Transmit FIFO Read Pointer Register (FECTFRP) ................................... 30-40
30.3.3.33 FEC Transmit FIFO Write Pointer Register (FECTFWP) ................................. 30-40
30.3.3.34 FEC FIFO Reset Register (FECFRST) ............................................................... 30-41
30.3.3.35 FEC CRC and Transmit Frame Control Word Register (FECCTCWR) ............ 30-42
30.4 Functional Description ................................................................................................ 30-43
30.4.1 Initialization Sequence ............................................................................................ 30-43
30.4.1.1 Hardware Controlled Initialization ..................................................................... 30-43
30.4.1.2 User Initialization (Prior to Asserting ECR[ETHER_EN]) ................................ 30-43
30.4.2 Frame Control/Status Words .................................................................................. 30-44
30.4.2.1 Receive Frame Status Word (RFSW) ................................................................. 30-44
30.4.2.2 Transmit Frame Control Word (TFCW) ............................................................. 30-45
30.4.3 Network Interface Options ...................................................................................... 30-46
30.4.4 FEC Frame Transmission ....................................................................................... 30-46
30.4.5 FEC Frame Reception ............................................................................................. 30-47
30.4.6 Ethernet Address Recognition ................................................................................ 30-48
30.4.7 Hash Algorithm ....................................................................................................... 30-49
30.4.8 Full Duplex Flow Control ....................................................................................... 30-52
30.4.9 Inter-Packet Gap (IPG) Time .................................................................................. 30-53
30.4.10 Collision Handling .................................................................................................. 30-53
30.4.11 Internal and External Loopback .............................................................................. 30-53
30.4.12 Ethernet Error-Handling Procedure ........................................................................ 30-54
30.4.12.1 Transmission Errors ............................................................................................ 30-54
30.4.12.2 Reception Errors ................................................................................................. 30-55
30.4.13 MII Data Frame ...................................................................................................... 30-55
30.4.14 MII Management Frame Structure ......................................................................... 30-56
Chapter 31
Mechanical Data
31.1 Package ......................................................................................................................... 31-1
31.2 Pinout ............................................................................................................................ 31-1
31.3 Mechanical Diagrams ................................................................................................... 31-8
31.3.1 MCF5485/5484 Mechanical Diagram ...................................................................... 31-8